Draeger Safety, Inc. Develops & manufactures medical, safety, underwater, and aerospace equipment. Its customers include the safety, medical, aerospace, and diving & computer information systems markets. The company was founded in 1976 and is headquartered in Pittsburgh, PA

Monitech LLC manufactures and distributes ignition interlocks. It offers installation, service, and comprehensive monitoring and reporting. The company was founded in 1989 and is headquartered in Morrisville, NC.

Tokai Denshi, Inc. is a Japanese private company, with subsidiaries in Japan. The firm engages in the manufacture and sales of electronic devices and provides related services.

Based in Des Moines, Iowa, Intoxalock is an organization that prides itself on a strong Iowa work ethic, providing customers with professional services and the most reliable alcohol monitoring devices available. Their top-rated ignition interlock devices meet state requirements in more than 40 states with alcohol monitoring products utilized in all 50 states. In conjunction with researchers at Iowa State University, Consumer Safety Technology LLC (CST) developed the Intoxalock ignition interlock device using alcohol-specific fuel cell technology in 1992. CST was the first company to use this cutting-edge technology, which is now an ignition interlock industry standard. In 2012, CST began officially doing business as Intoxalock.

Intoximeters produces and markets a full line of alcohol breath testing instruments. Intoximeters has fully utilized advances in both sensor and data processing technologies. Intoximeters provides comprehensive customer support by offering training courses in the operation and maintenance of each of its instruments and associated software products.

Lifeloc Technologies, Inc. engages in the development, manufacture, and marketing of portable hand-held and fixed station breathalyzers and related accessories, supplies, and education. It operates through the Product Sales and Rentals segments. The Product Sales segment is involved in the sale of physical products, including portable hand-held breathalyzers and related accessories, supplies, education, training, and royalties from development contracts with OEM manufacturers. The Rentals segment handles the rental portion of the building. The company was founded in December 1983 and is headquartered in Wheat Ridge, CO.

Part of MPD, Inc., Lion Laboratories Ltd. is a British company located in Barry. The firm provides dental treatment services. It was founded in 1967 by Thomas Parry Jones. Patrick Martin is currently the CEO of the company.\nThe company says this about itself: Lion operates from its own purpose built premises in Barry, South Wales, United Kingdom, and is specialised in the field of breath alcohol analysis. We supply much of the equipment used by the UK Police, and export to some seventy countries worldwide through a network of local distributors. Today, with its US sister company CMI, Lion is the largest company in breath alcohol testing, and is generally regarded as a market leader. We are a fully vertically integrated company; carrying out all our own research, engineering product development, manufacturing, marketing and sales. Lion currently employs 78 people at its Barry Site �� including three PhD��s �� plus others with a range of relevant technical and business qualifications.

Drägerwerk AG & Co. KGaA engages in the provision of medical and safety technology products. It operates through the following geographical segments: Europe, Americas, and Africa, Asia & Australia. The company was founded by Johann Heinrich Draeger in 1889 and is headquartered in Luebeck, Germany.

Dr��ger Sicherheitstechnik GmbH, a subsidiary of Dr��gerwerk AG & Co. KGaA, is a company headquartered in Luebeck, Germany. The firm manufactures electrical equipment and supplies.

Alcohol Monitoring Systems, Inc. designs and manufactures alcohol monitoring devices. It markets SCRAM (Secure Continuous Remote Alcohol Monitor), which is a non-invasive alcohol-detection system that monitors alcohol consumption and integrates home detention monitoring into a single anklet. The firm's product is used for jail depopulation programs, pre-trial, courts, probation, parole and re-entry, departments of corrections, sheriffs departments, and 24/7 sobriety programs. The company was founded in 1997 and is headquartered in Littleton, CO.

Sentech Korea Corp. manufactures gas detecting sensor and breathalyzer. Its products include breathalyzer, and gas sensor and alarm. The company was founded on July 29, 1998 and is headquartered in Paju, South Korea.

Envitec-Wismar GmbH manufactures sensor based products, primarily for medical and environmental applications. It specializes in the research and development of non-invasive sensors for vital functions in intensive care and emergency medicine. The company was founded in 1992 and is headquartered in Wismar, Germany.

AK GlobalTech is a full-service breathalyzer company, providing calibration, repair, distribution and retail services, as well as development and integration of advanced testing applications. The company's goal is to contribute to a national network of safety procedures and protocols for the prevention of alcohol-related incidents both in and out of the workplace.

Part of The GEO Group, Inc., Guardian Technologies, Inc. is a company headquartered in Naples, FL. The firm manufactures breathalyzers; electronic equip. B.I., Inc., a subsidiary of The GEO Group, Inc. since February 2011, acquired Guardian Technologies, Inc. from Cincinnati Microwave, Inc. on March 31, 1992 for $8.53 million.