The Federal Trade Commission
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.
FCC
SEC
FDA
the EPA.
In the UK it is the Department for Transport. (DfT)
department of labor
FCC
The Environmental Protection Agency and the Occupational Safety and Health administration, and their equivalents in state government, regulate asbestos.