Automatic Data Processing

(1) (Automatic Data Processing) Synonymous with data processing (DP), electronic data processing (EDP) and information processing.

(2) (Automatic Data Processing, Inc., Roseland, NJ, An international computer services company that specializes in payroll processing. From a modest start in 1949 by founding brothers Henry and Joe Taub, ADP evolved from payroll assistance to modern day outsourcing of record keeping, benefit administration, retirement account services, human resources, and screening and selection services. The company's first salesman, credited with a huge role in the success of the business, was Frank Lautenberg, who rose through the ranks to be its president and left decades later to enter politics as a prominent senator from New Jersey.

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Automatic Data Processing, Inc.


Type: Public Company
Address: One ADP Boulevard, Roseland, New Jersey 07068-1728, U.S.A.
Telephone: (973) 974-5000
Fax: (973) 974-5495
Employees: 41,000
Sales: $7.02 billion (2001)
Stock Exchanges: New York Chicago Pacific Philadelphia Boston
Incorporated: 1949
NAIC: 514210 Data Processing Services; 511210 Software Publishers; 334611 Software Reproducing; 541211 Offices of Certified Public Accountants; 541214 Payroll Services (pt); 541219 Other Accounting Services

The undisputed number one paymaster to the nation, Automatic Data Processing, Inc. prepares the paychecks for one out of seven American workers. The company, widely known as ADP, is also a leading supplier of stock quotation systems, handles the back-office processing for many securities brokers, and provides a variety of computerized services to auto dealers as well as claims service support for auto insurers and repairers.

The multibillion-dollar operation owes its start to the fact that when the bright and innovative Henry Taub graduated from New York University in 1947, he was still shy of his 20th birthday, and thus more than a year away from eligibility for the CPA exam. Consequently, Taub, who had worked part-time for a small Manhattan public accounting firm while a commuter student at NYU, became a full-time employee. The work entailed keeping the books for dozens of small businesses, coupled with lots of handholding.

Taub soon became aware that preparing payrolls and maintaining the necessary supporting data were a major headache for smaller employers. Social security was as yet less than a dozen years old, and income tax withholding had only started during World War II. All in all, payroll accounting was becoming steadily more demanding.

So, in 1949, with the support of two business acquaintances, Taub opened a company to provide that specialized service. He called his new business Automatic Payrolls, Inc. As he readily recalled later, the "Automatic" defined the service only from the point of view of the client, who was spared many burdensome tasks; on the company's side, automation started with little more than an adding machine. Taub also noted the deeper significance of the carefully chosen name. In his hometown of Paterson, New Jersey, an old-line textile center where the automation of looms had long been a major issue, "automatic" carried the connotation of "an advanced form of work."

From a small office in Paterson, Taub solicited accounts in the surrounding area, often utilizing public transportation to pick up time sheets and return the finished payroll. During this time, Taub's company did not handle the clients' money; signing the checks or placing cash in the pay envelopes was left for the employer to do on site. In 1951, Taub's younger brother Joe joined the organization, specializing in administrative functions for the next 25 years.

In 1953 the third member of Automatic Payrolls' longtime guiding trio came aboard. He was Frank R. Lautenberg, the son of a Paterson textile worker. Three years older than Henry, Lautenberg served in Europe during World War II and then earned an economics degree at Columbia University and became a sales trainee for Prudential Insurance. The local Prudential office was in the same Paterson building as Automatic, and he and the Taubs met occasionally at a nearby coffee counter. Since most of Lautenberg's life insurance sales calls took place in the evening, he found time to solicit business for Automatic during the day, and after a while joined the company full-time.

Henry Taub recollected: "We formed an effective trio, with complementary strengths--me in accounting, Joe in organization, and Frank in marketing--and very compatible in personality and business style." Eventually, Lautenberg succeeded Henry Taub as chief executive in 1975 and held that job until his election as U.S. senator from New Jersey in 1982. Henry Taub then became the company's honorary chairperson while remaining an active director and chairing the executive committee.

The young company kept adding customers in northern New Jersey and the New York City area, but progress was moderate. By the June 1957 fiscal year, operating revenues had grown to $150,000; profits for the entire year, however, were a mere $964. One factor was the switch that year from manual bookkeeping machines to an early IBM computer. Lautenberg later told Investor's Reader magazine that the punch card computer system "damned near killed us. It wasn't a very good improvement. Then we started developing techniques that enabled us to start working with computers."

With the new equipment, Automatic Payrolls also branched into some general data processing services such as analytical reports covering sales, costs and inventories, questionnaire tabulation, and even the maintenance of bowling league statistics. In 1959 the Taubs set up a separate company, Automatic Tabulating Services, to handle the general data processing business. Then, in June 1961, in preparation for going public, the payroll and tabulating companies were merged into the newly named Automatic Data Processing. At the time, ADP had about 200 payroll clients, including the cast and crew of the Broadway hit My Fair Lady and 30 general processing customers.

With only a modest $419,000 in revenues and $25,000 in net profits for the June 1961 year, ADP was very much of a "penny stock" when the first 100,000 shares were offered to the public in September 1961 at $3 a share. Henry Taub reflected: "Those first dozen years were our incubation period. We learned how to operate what was essentially a brand-new business." When it emerged from the incubator, ADP was set to mature. Starting with its first quarter as a public company, ADP managed an unbroken string of double-digit earnings per share growth--a string that encompassed 128 quarters as of the end of the 1993 fiscal year. Meantime, each share bought for $3 in 1961 had multiplied into 144 shares worth more than $7,000 by 1993.

Just prior to offering its stock publicly, ADP went to Wall Street to drum up business. Encouraged by a couple of brokerage houses that were already payroll clients, ADP opened an office in downtown Manhattan in July 1961 to process "back office" data such as customer trade confirmations and related reports--the start of what was to become ADP's second most important line.

Buoyed by strong internal growth after going public, ADP was ready to speed its development through aggressive use of acquisitions by the mid-1960s. Since then, it acquired more than 100 companies or corporate units. Management stressed, however, that these acquisitions should serve as "catalysts" and not as "our main engine of growth." As Josh S. Weston, who joined the company in 1970 and became CEO in 1982, explained to security analysts, acquisitions were intended "to telescope time and risk in helping us pursue a strategic direction that we wanted to pursue anyway."

The acquisition drive got underway in 1965 when ADP broadened its brokerage business with the addition of Brokerage Processing Center and shortly thereafter expanded its payroll service with Payrolls for Industry of Long Island. Then, in 1967, Miami Beach-based Computer Services of Florida was purchased. This represented a significant geographic breakout, since ADP had effectively been limited to customers that could be served by its local pickup and delivery facilities, except for a handful of payroll clients whose requirements permitted mail communication (computer transmission of payroll data and checks was not yet possible). The Florida beachhead was followed by a flurry of other East Coast acquisitions. Thereafter, the company acquired or established its way into other parts of the nation. By 1972 it operated centers in 20 cities from which it paid more than one million people.

That year ADP acquired CSI Computer Systems of Cincinnati, which helped about 500 car dealers with their paper work. This led ADP into its third major line, which it called Dealer Services. Since then ADP vastly expanded both the concept and scope of these services. By 1993 it served more than 7,000 North American car and truck dealers, while 1,000 European dealers were added with the 1992 acquisition of Germany's Autonom Computer. While Autonom served primarily German GM/Opel dealers, ADP planned to add more European cars and countries.

In North America, ADP clients represented roughly one-third of all dealerships while accounting for more than half of vehicle sales. Many used ADP-supplied computers and programs that eliminated preprinted forms. After blank sheets were inserted into the printer and pertinent data entered, completed invoices emerged. Other programs handled scheduling for the repair shop or kept track of all data on showroom visitors (including their preferences and dislikes) to give sales staff a better shot at closing a deal. Some of the software used to show potential financing and insurance costs came under FTC attack in 1991 for allegedly making financing the car through the dealer seem cheaper than paying cash; ADP, while insisting that the pro-financing claims were "standard industry practice," agreed to remove the challenged segment. Even though, as Chairperson Weston quipped to stockholders in 1992, the U.S. auto industry nowadays "seldom has one good year in a row," ADP steadily increased its dealer business, which accounted for roughly 12 percent of total ADP revenues.

With the acquisition of Itel Corp.'s Autadex division in 1980, ADP began developing another auto-related business line, now known as Automotive Claims Services. Through a huge database maintained in Ann Arbor, Michigan, that cataloged the components of virtually every model produced since 1970, adjusters and repair shop operators could instantly obtain detailed repair estimates, including parts and labor. In 1985 ADP added a Vehicle Valuation Service for cars that were stolen or "totaled." It also started a parts service showing price and availability of private brand and salvage yard parts. Moreover, in 1993, ADP undertook a minority investment in National BioSystems, which evaluated medical costs of accident victims.

Claims Service, whose clients included most of the major insurance companies, brought in about 5 percent of ADP revenues in the early 1990s. Since that time, it received less emphasis. In 1993, the "Other" group, which, along with Claims, covered such minor activities as network, general accounting, and wholesale distribution, as well as overseas payroll services (mostly Britain and the Benelux countries), registered 6 percent of revenues as opposed to 9 percent in fiscal 1992. The "Other" contribution may have been somewhat understated, however, because this category was also the domain for certain corporate accounting adjustments.

Strongest growth in the early 1990s was in Brokerage Services, which produced 23 percent of fiscal 1993 revenues. ADP processed more than one-fifth of the trades executed on Wall Street each day. Nevertheless, these back-office functions were eclipsed by ADP's presence in the front office. In 1983 ADP bought GTE's Telenet Information Services, which put it into stock quote machines, and three years later it acquired the Bunker Ramo quote machine operations. ADP was thus in the forefront of the industry revolution that replaced "dumb terminals" with intelligent work stations that provided each individual broker not only with current stock quotations and market news but instant access to client account records, background data, and analysts' opinions on securities, as well as offering the capability to enter orders electronically. By 1991 ADP was the top provider of such information services. Some infringement disputes with previous industry leader Quotron (which became a Citicorp subsidiary in 1986) were settled in 1993 when, as part of a deal in which ADP bought Quotron's overseas stock quotation business, ADP obtained a permanent license to certain Quotron stock information software.

ADP entered the proxy distribution business in 1989. This segment sent out stockholder reports and proxy statements to investors whose stock was held in "street name" by brokerage houses, and then processed the returned proxy votes. In 1992 ADP acquired another major proxy distribution company, Independent Election Corp. of America. Whereas the ADP service was directed at individual customers of brokerage houses, Independent dealt with large institutional holders. The difference in client groups and operating systems slowed the integration of the two proxy units and, while net results were beneficial, this generated some embarrassing problems during the 1993 proxy season. ADP remained confident, however, that the glitches would be overcome, and the company was set for a smooth 1994 season.

By far the largest ADP business, with 59 percent of total revenues in 1993, remained what is now called Employer Services. The broadened title reflected the fact that, beyond payroll-related work, this sector offered such services as job costing, labor distribution analysis, management reporting, unemployment compensation management, human resources information, and personnel benefit services. In 1993, the core of this operation paid more than 16 million employees of some 275,000 employers and prepared all of the related W-2 forms and other required reports, as well as all sorts of internal personnel reports for the employer. More than 75 percent of the payroll clients also used ADP's tax filing service (started in 1982) in which ADP handled the actual submission of tax payments to all levels of government. During this time, more than 95,000 clients submitted their payroll by computer. ADP also was able to arrange the laser printing of paychecks on site, while an increasing number of payments were electronically deposited directly to the employee's designated bank account.

Although traditional banking institutions were a major competitor for payroll services, ADP gradually acquired such payroll businesses, often arranging for the bank to remain the upfront marketing agent while ADP operated the service. The largest such acquisition (indeed, ADP's largest single acquisition ever) was the takeover of Bank of America's 17,000-client, $110 million revenue payroll business in May 1992. Interestingly, this deal was concluded just one month after Bank of America completed the merger of Security Pacific, another California banking giant whose payroll business had been acquired by ADP eight years earlier.

Although ADP started out "helping those who couldn't help themselves" when it came to payroll automation, and it continued to derive about half its payroll revenues from firms with less than 100 employees, large "national accounts" with more than 1,000 employees were increasingly shifting to ADP from in-house installations. Here ADP benefited from the almost universal belt-tightening mode at most major corporations, which became willing to outsource nonstrategic functions. Furthermore, the constant growth and change in regulations on both the federal and local level required unending adjustment in payroll software programs, and many companies found it easier to leave the adjusting to a specialist like ADP. The same logic applied in adjusting a program to fit all the many jurisdictions in which a national company retained employees. Furthermore, ADP offered great flexibility. For instance, it could take in ready stride the requirements of clients like H&R Block, whose payroll, depending on the time of the tax year, fluctuated from 2,000 to 65,000 employees.

For all of its business lines ADP set certain criteria. To realize economies of scale, the company preferred computing services that could be mass marketed and mass produced. ADP stipulated that its services should induce long-term client relationships with repetitive revenues and should require enough specialization and knowhow to raise barriers to entry by competitors and exit by clients.

Josh Weston also looked for what he called "a silent third force"--a set of conditions that provided a relatively uniform framework within which ADP could design its products. Therefore, the IRS and the wage and hour laws set an overall pattern for wage payments, the SEC and the stock exchanges regulated the handling of securities transactions, and the auto manufacturers informed franchised dealers how to keep their records.

ADP also maintained, "it is a prime criterion for us in either starting up or later staying in a business that we think we have an excellent chance to be number one in that particular business." In September 1993 Weston told security analysts that ADP was assessing potential opportunities in four new data service markets, any one of which, if entry through a suitable acquisition could be arranged, might develop into a fourth major ADP line. The company's presumed target would be volume in the $200 million-plus range, or more than double the Claims Service peak.

Since the mid-1980s, ADP also actively engaged in "pruning," which it defined as having "sold, shrunken, or milked" various product lines or businesses that no longer, according to Weston, "fit our long-term strategic objectives." Among others, ADP sold a computerized tax processing business, its electronic funds transfer operation that serviced automatic teller machines, and its interest in a Brazilian payroll company. It also planned to simply shrink some businesses "where a smaller ongoing operation gives ADP a better return" than selling it, especially when a unit might continue to generate cash that could build up other operations. While counting on outsourcing by other companies to feed its growth, ADP also used outsourcing when appropriate. Thus in 1990 it arranged for IBM to take over the maintenance of its stock quote terminals.

Throughout its existence, ADP relied upon highly conservative accounting, with a strong cash position, low debt, and quick depreciation, allowing it to move into technologically advanced replacements without incurring big write-offs of the displaced equipment. This operating scheme permitted the longest string of consecutive earnings advances on the New York Stock Exchange, where the company arrived in 1970. ADP crossed the billion-dollar mark in revenues in 1985 and topped $2 billion in fiscal 1993 when earnings reached a record $294 million. Dividends, while fairly conservative, were raised each year since payments started in 1974. Furthermore, the company was convinced that room existed for additional progress. In 1993, ADP noted that it still had only about a 15 percent penetration of the payroll market nationally and even in its New York-New Jersey home area only about 25 percent.

Insisting that ADP push toward continually higher goals, Weston cited the example of the pole vaulter who, even after all competitors have been eliminated, is made to try for ever higher jumps until he fails to clear the bar three times. Only after the inevitable final failure is the vaulter brought to the winner's stand. As Weston sought to inspire his company to ever greater efforts with the pole vault analogy, he concluded: "Since they're going to be recognized as winners anyway, asking them to jump an inch higher isn't dirty pool."

The rapid evolution of computer technology in the 1990s provided ADP with a golden opportunity to expand many of its core products and services. By mid-decade, the Internet had made it possible for a company to manage all aspects of its finances, from payroll to banking, on a personal computer. The intricacies involved with mastering this new technology, however, combined with the increasing complexity of benefits packages and tax laws, was turning accounting into a major headache for small and mid-sized business owners. Rather than trying to handle the problem on their own, many of these companies began turning to outside firms to handle their bookkeeping needs.

It was in this atmosphere that ADP began developing a host of services designed to help employers integrate these new technologies into their day-to-day operations. The company set the stage for this transition when it acquired a bank charter in 1995. The Interstate Banking and Branching Efficiency Act of 1994 had already removed limitations on interstate banking, and so the charter provided ADP with the opportunity to augment its payroll business with loan processing, bill payment, and investment services. From the point of view of cost, the transition was a relatively easy one: The expense of maintaining a banking web site was negligible and did not require a complete overhaul of the company's infrastructure. The challenge for ADP was to create services unique enough to draw customers away from the traditional bank branches.

One of ADP's first new offerings arose out of its merger with Checkfree Corp. in July 1995. Through this venture, the company introduced its electronic banking service, providing small businesses with a convenient, affordable way to pay bills and balance accounts online. The company built upon this innovation when it formed its Electronic Banking Unit in 1997, which established partnerships with banks and software designers to create a centralized, web-based banking resource center. By making financial products and services readily available online, the resource center could offer valuable support to business owners looking for a way to cut administrative costs. ADP PayExpert, the industry's first complete payroll processing service, was introduced in 1998, and in 1999 the company created Solution Profiler, a program designed to allow small businesses to customize their payroll service.

This heightened focus on small businesses did not mean ADP was neglecting its larger clients. In 2000 it launched ADP Enterprise Payroll Services, which offered a comprehensive web-based payroll and accounting platform for corporations with more than one location. That same year it launched Accountant Advantage, a referral network that allowed accounting firms to market ADP's payroll products. The company also remained dedicated to global expansion, solidifying its foothold in the burgeoning Asian payroll processing business with the acquisition of the Australian firm PayConnect Solutions, the largest payroll processor in the Asia/Pacific market, in July 2000. Heading into the new century, however, it was clear that the small business sector was the area with the largest potential for growth. With research data indicating that payroll services for small businesses would blossom into a $4 billion industry by 2000, ADP was determined to put itself in position to become the undisputed leader in this promising new market.

Principal Divisions

ADP Employer Services; ADP Brokerage Services; ADP Dealer Services; ADP Claims Services.

Principal Competitors

Administaff, Inc.; Ceridian Corporation; Paychex, Inc.

Further Reading

"Automatic Data Processing Hews to Winning Formula," Wall Street Journal, December 24, 1992.

Crone, Richard K., "Notes on the Infobahn: ADP Positioned to Control Funds at Point of Payroll," American Banker, January 9, 1995, p. 6A.

Marjanovic, Steven, "Checkfree, ADP to Start PC Payment System Aimed at Small Business," American Banker, July 20, 1995, p. 8.

"Payroll Specialist," Investor's Reader, July 26, 1972.

"They Make Money Paying Us," Forbes, January 4, 1993.

Weston, Josh, "Soft Stuff Matters," Financial Executive, July/August 1992.

— Henry R. Hecht; Updated by Steve Meyer

Wikipedia on

Automatic Data Processing

Automatic Data Processing, Inc.
NASDAQ-100 Component
S&P 500 Component
Industry Business services
Founded Paterson, New Jersey (1949)
Headquarters Roseland, New Jersey, U.S.
Key people
Leslie A. Brun (Chairman) Carlos A. Rodriguez (President & CEO)
Services Human resource, payroll, tax and benefits administration solutions from a single source
Revenue Increase $10.66 billion (2012)[1]
Increase $2.122 billion (2012)[1]
Increase $1.388 billion (2012)[1]
Total assets Increase $30.81 billion (2012)[1]
Total equity Increase $6.114 billion (2012)[1]
Number of employees
60,000 +

Automatic Data Processing, Inc., is an American provider of business outsourcing solutions. It was also a provider of computing services to automobile and heavy equipment dealers, but spun off those businesses in 2014. ADP was formerly one of four U.S. companies to get a AAA credit rating from Standard & Poor's (S&P) and Moody's,[2][3] but S&P and Moody's downgraded ADP to AA in April 2014, after the dealer services unit spin off.[4]


In 1949 Henry Taub founded Automatic Payrolls, Inc. as a manual payroll processing business with his brother Joe Taub. Frank Lautenberg joined the brothers in the company's infancy. In 1952, Lautenberg became Chairman and CEO of the company. In 1957, the company changed its name to Automatic Data Processing, Inc. (ADP), and began using punched card machines, check printing machines, and mainframe computers.[5] ADP went public in 1961 with 300 clients, 125 employees and revenues of approximately $400,000. The company established a subsidiary in the United Kingdom in 1965 and acquired the pioneering online computer services company Time Sharing Limited (TSL) in 1974. Lautenberg continued in his roles as Chairman and CEO until elected to the United States Senate from New Jersey in 1982.

From 1985 onward, ADP’s annual revenues exceeded the $1 billion mark, with paychecks processed for about 10% of the U.S. workforce. In the 1990s, ADP began acting as a professional employer organization (PEO). Around this time, the company acquired Autonom, a German company, Kerridge Computer Co. Ltd., a dealer management systems (DMS) provider to auto dealers in the UK, and the payroll and human resource services company, GSI, headquartered in Paris.

In September 1998, ADP acquired UK-based Chessington Computer Centre that supplied administration services to the UK Government.[6]

In 2007, the ADP Brokerage Service Group was spun off to form Broadridge Financial Solutions, Inc. (NYSEBR), removing about $2 billion from ADP's total yearly revenue.[7] ADP distributed one share of Broadridge common stock for every four shares of ADP common stock held by shareholders of record as of the close of business on March 23, 2007.[8]

ADP is sponsor of the ADP National Employment Report as well as the ADP Small Business Report.

CDK Global, LLC[edit]

ADP Dealer Services in Ontario

Formerly called ADP Dealer Services, CDK Global was formed in 1972 and provides integrated technology services and solutions to over 26,500 automotive dealerships internationally, as well as vehicle manufacturers.[9] In 2010, ADP acquired the automotive marketing company Cobalt.[10]

BZ Results (Automotive Dealer Services), winner of the 2006 “Innovative Company of the Year”,[11][12] was purchased by ADP in 2006.[13] At the time, BZ Results was valued at $125 million.

On April 7, 2014, ADP laid off several Dealer Services associates in a reorganization and 3 days later announced plans to spin off the Dealer Services division as a standalone company.[14] On August 19, 2014, ADP Dealer Services announced that the name of the new company, post-spinoff, would be CDK Global.[15]


  • In 2012, ADP was recently listed as #47 on Computerworld's 19th annual list of the 100 Best Places to Work in IT.[16]
  • In 2011, ADP achieved a 100 percent rating in the Corporate Equality Index (CEI) report.[17]
  • In 2010, ADP was awarded the #2 ranking in the Training Top 125 List by Training magazine. ADP ranked 12th in 2009 and 20th in 2008.[18][19]
  • In 2009, the Aberdeen Group named ADP as one of the top 25 Most Influential Technology Vendors for 2009.[17]
  • In 2010, ADP ranked first on Fortune's list of America’s Most Admired Companies within the Financial Data Services category.[17]
  • In 2006, ADP ranked #2 on InformationWeek 500's top 250 Innovators.[20]
  • In 2003, 2004, and 2005, ADP was ranked as one of the top 10 companies in North America, having been AAA/Aaa rated by both S&P and Moody's.[21][22][23]


  1. ^ a b c d e "Automatic Data Processing 2012 Annual Report, Form 10-K, Filing Date August 20, 2012". Retrieved Dec 26, 2012. 
  2. ^ Rooney, Ben (February 5, 2010). "Buffett's Berkshire loses top S&P credit rating". CNN. 
  3. ^ "4 AAA-Rated Companies With Attractive Yields". Seeking Alpha. 
  4. ^ Mead, Charles (Apr 10, 2014). "ADP Stripped of Top AAA Ratings on Spinoff of Auto-Dealer Unit". Bloomberg. 
  5. ^ "History". ADP. 
  6. ^ "Ministers under fire over licence errors". Highbeam Business. 4 February 1999. 
  7. ^ "Automatic Data Processing March 2007 Current Report, Form 8-K, Filing Date March 21, 2007". Retrieved Dec 26, 2012. 
  8. ^ "Automatic Data Processing April 2007 Current Report, Form 8-K, Filing Date April 04, 2007". Retrieved Dec 26, 2012. 
  9. ^ "About ADP Dealer Services". ADP Dealer Services. 
  10. ^ "ADP Completes Cobalt Acquisition -- Is It Nirvana?". Dealer. Archived from the original on August 20, 2010. 
  11. ^ Sean Wolfington. AutoSuccess Magazine. Retrieved March 6, 2007.
  12. ^ Auto Success magazine (pg. 8-10).
  13. ^ Cliff Banks (April 1, 2006). "ADP Bolsters Website Efforts By Buying BZ". Retrieved 2006-12-26. 
  14. ^ "ADP plans to spin off dealer-services business". MarketWatch. 
  15. ^ "ADP Announces Post-Spin name of its Dealer Services Business". 
  16. ^ "Best Places to Work 2012: Employer Profile of Automatic Data Processing Inc.". Computerworld. 
  17. ^ a b c "Recognition & Awards". ADP. 
  18. ^ "Training Top 125: 2010". 
  19. ^ "Training Top 125: 2009" (pdf). 
  20. ^ "InformationWeek 500: Top 250 Innovators" (pdf). 2006-09-11. Retrieved 2007-09-22. 
  21. ^ Automatic Data Processing (ADP) 2003 Summary Annual Report (pg. 6)
  22. ^ Automatic Data Processing (ADP) 2004 Summary Annual Report (pg. 14)
  23. ^ Automatic Data Processing (ADP) 2005 Summary Annual Report (pg. 6)

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