Rudolf Hermann Spiller

Leica Camera AG develops, manufactures, and markets cameras as well as sport optics products. Its photography products include medium format, mirrorless system, rangefinder, and compact cameras, including lenses. The firm's sport optics products include riflescopes, binoculars, spotting scopes, rangefinders, and accessories. The company was founded by Carl Kellner in 1849 and is headquartered in Wetzlar, Germany.

METRIC mobility solutions AG engages in the development, manufacture, and distribution of hardware and software products for the public transport, retail and logistics, and parking markets. It operates through the METRIC DE and METRIC UK segments. The METRIC DE segment involves in ticketing and telematics for public commuter transport as well as mobile terminals and point of sale systems. The METRIC UK segment includes systems for parking space management and services rendered within the scope of full-service agreements. The company was founded by Michael Höft and Rolf Wessel in 1978 and is headquartered in Hanover, Germany.

METRIC Group Ltd. designs, develops and manufactures parking terminals. It offers banknote counters, cash recycling, coin sorters, mobile systems, and vivo parks. The company was founded in July 1878 and is headquartered in Westlea, the United Kingdom.

Phase One A/S develops digital camera systems and workflow software. The firm's products include camera system, software, a-series, cultural heritage and aerial. The company was founded in 1993 and is headquartered in Frederiksberg, Denmark.