Rowland Cromwell

Industrial Scientific Corp. designs and manufactures gas monitoring instruments and other related products. It offers include portable multi gas, area monitors and docking stations. The company was founded by Kent D. McElhattan in 1985 and is headquartered in Pittsburgh, PA.

Part of Rexel SA, Sheridan Safety, Inc. is a wholesale distributor of safety equipment and provider of health and safety training and consulting services. The company is based in Dayton, OH. Sheridan Safety was acquired by Vallen Corp. on August 11, 1997.

Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania.

Intelex Technologies, Inc. provides software solutions for managing environment, health, safety, quality, risk, and supplier quality. It offers services in different industry such as automotive, aviation and aerospace, education, energy and electricity, food and beverage, government, healthcare and medical, manufacturing, metals and mining, and oil and gas industry. The company was founded by Andrew M. Jaine and Ted Grunau in 1992 and is headquartered in Toronto, Canada.

Industrial Scientific France SAS wholesales electronic and telecommunications components and equipment. The company is headquartered in Arras, France.