CERT Group of Companies was created in 1996.
Dead Cert was created in 1962.
FLO-Cert was created in 2003.
Paragon Group of Companies was created in 1985.
Katz Group of Companies was created in 1990.
Buckeridge Group of Companies was created in 1960.
The Crane Group Companies was created in 1947.
Guingon Group of Companies was created in 2000.
Lopez Group of Companies was created in 1928.
Corinthia Group of Companies was created in 1960.
Asif Group of Companies was created in 1962.
Armstrong Group of Companies was created in 1946.
Vardhman Group of Companies was created in 1965.