The government agency that regulates small business loans is the United States Small Business Association. There is a large network in place to assist in all areas of small business.
The Federal Reserve regulates banks and the banking system.
In the United Kingdom - The Treasury (government) and the Financial Services Authority.
federal agency that regulates the Stock Market
The government. Most governments around the world have specific agencies that look after bank regulation, but it depends on the country.
FDIC
the government agency is accused of unfairly favoring the private interests that it regulates.
fcc
The industry an agency regulates controls the agency that is supposed to regulate it.
The Federal Communications Commission regulates telephone services.
the EPA.
FDA
SEC
FCC
The Federal Trade Commission
In the UK it is the Department for Transport. (DfT)
department of labor