the US postal service
Yes. U.S. Postal Service employees do deliver Express Mail on Christmas.
According to the Department of Labor's web site, "With more than 1.8 million civilian employees, the Federal Government, excluding the Postal Service is the Nation's largest employer."
On Saturdays, yes.
A postal assistant sorts every letter by every area, and then they have to register each one. They are found in different areas of the postal service, but many of them carry mail like a mail carrier or they work in the postal office.
2000+ service technicians in the US, maybe 400+ service writersin the US, salesman i have no idea?
Sure, if they can fit the duties of the office around their work duties.
2,000 employees work at wendy's.
The employees and service users
Yes, it does in the UK anyway until 1PM
The exspense is all dependent on how many employees you have. The fewer the employees you have, the less it would cost for you to keep them on your payroll. A company with 100+ in house employees may consider outsourcing customer service positions to countries where employees may work for less.
300 employees