- Biosan Laboratories Inc - An industrial microbiological testing laboratory focusing on research and development in addition to routine technical service.
- Cosmic Industrial Laboratories Ltd. - Specialised in material testing, materials characterisation, failure analysis, prototype development, & product engineering.
- EMSL Analytical, Inc. - Specialized in environmental laboratory testing of asbestos, mold, bacteria, materials science, chemical, and lead analysis.
- Galson Laboratories - A full service industrial hygiene testing laboratory.
- General Testing Laboratories, Inc. - Provides independent services, including testing, engineering, research and development, prototype design, and fabrication.
- Industrial Laboratories - An analytical testing laboratory and laboratories for the food industries, racing animals and nutraceuticals.
- International Asbestos Testing Laboratories - An independent environmental laboratory specializing in asbestos testing, lead testing and industrial hygiene testing.
- Marypaul Laboratories - An industrial microbiology testing laboratory, conducting FDA, USP, CTFA, AOAC, EP tests for pharmaceuticals, & medical devices.
- Pensacola Testing Laboratories, Inc., - Specialized in aggregate, soil and concrete testing, ground penetrating radar for locating embedded steel and cable.
- Polaris Laboratories, LLC - An oil analysis laboratory providing fluid analysis, fuel analysis, coolant analysis, diagnostic maintenance and troubleshooting.
- Quantum Laboratories, Inc. - A full-service analytical testing laboratory specializing in environmental analysis and industrial chemistry.
- Research & Testing - A research & testing directory on the internet.
- Testmark Laboratories Ltd - A commercial environmental and industrial testing laboratory operating in Sudbury, Ontario, Canada.