| | Dynamic Testing & Engineering (Orange City, FL) Commercial testing laboratories | |
| | Elias Engineering & Testing (Casselberry, FL) Commercial testing & research & development laboratories | |
| | Envirodyne Systems Inc (Camp Hill, PA) Research & development: laboratories, waste water equipment | |
| | Hygeia Laboratories Inc (Marietta, GA) Environmental testing laboratories | |
| | Industrial NDT Services (Indianapolis, IN) Gamma & x-ray, magnetic particle penetrant & eddy current testing laboratories | |
| | Martel Lab Services Inc (Springfield, IL) Testing laboratories: industrial petroleum & environmental | |
| | Mead Central Research (Chillicothe, OH) Paper industries research & development & testing laboratories | |
| | Mead Packaging (Smyrna, GA) Research & development laboratories: packaging systems | |
| | Michigan Automotive Research (Ann Arbor, MI) Laboratories: testing, automotive engine & vehicle emissions | |
| | Microspec Analytical (Holland, MI) Analytical laboratories | |
| | Monarch Analytical Labs (Maumee, OH) Laboratories; physical testing, chemicals | |
| | Ocean Cory Inc (Bartlett, IL) Engineering services; company is a national network of local environmental testing laboratories | |
| | Paragon Laboratories Inc (Livonia, MI) Testing laboratories: petroleum | |
| | Polyproducts Corp (Roseville, MI) Electronic & mechanical balances for light industry & laboratories | |
| | Purdue Research Foundation (West Lafayette, IN) Research & development laboratories | |
