In North America the suitability of equipment for the specific hazardous area must be tested by a Nationally Recognized Testing Laboratory.
Abbott Laboratories | Sandia National Laboratories | Educational Testing Service | Gold Standard Laboratories | Wang Laboratories | Genetic testing | Dolby Laboratories | Chalk River Laboratories | Dr. Reddy's Laboratories | Beverage Testing Institute | Animal testing | Software testing | Ranbaxy Laboratories | Mitsubishi Electric Research Laboratories | animal testing | Stress testing | software testing | Nondestructive testing | Nevis Laboratories | International Electrical Testing Association | Forest Laboratories | Conformance testing | CBS Laboratories | Wyle Laboratories | Wolfe Laboratories | WHQL Testing | Whiteshell Laboratories | Unix System Laboratories | Ultrasonic testing | The University of Michigan's Infinium during testing on the Stuart Highway |