Ingo Rübenach

Underwriters Laboratories, Inc. engages in the provision of services for product safety certification. It offers certification, testing, inspection, auditing, validation, advisory and education services, bundles, software, and test tools. The company was founded by William Henry Merrill Jr. in 1894 and is headquartered in Northbrook, IL.

InfoGard Laboratories, Inc. provides information technology security assurance services. Its services include product physical security testing, vulnerability and penetration testing , spa, dpa and em testing , fuzz testing and audit. The firm serves three primary sectors which include federal security, healthcare information technology and payment sector. The company was founded by Maclynn Brinton in 1993 and is headquartered in San Luis Obispo, CA.

Luminaire Testing Laboratory, Inc. provides performance testing services for manufacturers of lamps and luminaires. The company was founded in 1989 and is headquartered in Allentown, PA.

UL LLC engages in the provision of safety testing and certification services. It offers inspection, advisory services, education and training, testing, auditing and analytics, certification software solutions, and marketing claim verification. The company was founded by William Henry Merrill in 1894 and is headquartered in Northbrook, IL.

Consumer Testing Laboratories, Inc. conducts testing and related services from its own facilities. Its testing laboratories include textile, footwear, hardlines, and chemistry. The company was founded by Herbert L. Satter in 1952 and is headquartered in Bentonville, AR.

Founded in 1996, UL International (UK) Ltd. is a part of Underwriters Laboratories, Inc. and provides performing conformity assessment program services. The company is based in Basingstoke, UK.