February 26, 2008 Frontera Tank Cleaners, LLC: McAllen, TX (CAP) Audit Archive, CAP, Frontera Tank Cleaners, LLC
February 6, 2008 Centennial Tank Cleaning: Sunnyside, WA (CAP) Audit Archive, CAP, Centennial Tank Cleaning
December 15, 2007 Quala (formerly ProKleen): Oakville, Ontario (CAP) Audit Archive, CAP, Prokleen Washing Services, Quala
October 16, 2007 Totally Tanker Interiors: Tulare, CA (CAP) Audit Archive, CAP, Totally Tanker Interiors
October 15, 2007 Port Wilmington Tank Wash: New Castle, DE (CAP) Audit Archive, CAP, Port Wilmington Tank Wash
October 1, 2007 O J Food Grade Tank Wash: Kearney, NJ (CAP) Audit Archive, CAP, O J Food Grade Tank Wash