American FCC certification laboratory

NVLAP ( National Voluntary Laboratory Accreditation Program ) -- National Laboratory voluntary accreditation program official institutions. Founded in 1976, by the Federal Department of Commerce authorized responsible for testing and calibration laboratory accreditation organization.
NIST ( National Institute of Science & Technology ) -- the United States Institute of standards and technology
ANSI ( America National Standards Institute ) - American National Standards Institute
A2LA ( American Association for Laborites Accreditation ) - American Association for Laboratory Accreditation
TCB ( Telecom Communication Body ) -- the United States Communications Laboratory