Ignition Interlock Systems-Ia, 2053 SE 37th St, Ste A, Grimes, IA 50111, US

Percival Scientific continues to set the standard of excellence for the environmental control industry and occupies more than 60,000 square feet of manufacturing space dedicated to the production of more than 50 different models of plant growth chambers, biological incubators and special application chambers. To ensure each unit is of the highest quality and dependability, all Percival chambers are handcrafted in Perry, Iowa. Innovating pursuits of superior control of temperature, humidity and lighting have kept Percival at the forefront of their industry. The company also produces chamber accessories and offers a variety of optional accessories to meet specific customer needs. Percival Scientific's chambers and incubators have features not offered by any other company and are the preferred choice of universities, colleges, government institutions and private firms in all 50 states and throughout the world. Outside of the university laboratory setting, Percival serves well-known clients, such as Dow AgroSciences, Pioneer Hi-Bred, Monsanto, Novartis, NASA, Eli Lilly, Merck Pharmaceuticals, Revlon, Mary Kay Cosmetics, Shedd Aquarium and Campbell's Soup.

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