Michael Hauptmannl

Carl Mahr Holding GmbH operates as a holding company with interests in manufacturing meteorology instruments. Its subsidiary Mahr manufactures high precision spinning pumps and rotary stroke bearings as construction elements in its product range. Mahr supplies the plastics, synthetic fiber and elastomere industries and in turn, their suppliers with spinning pumps and metering systems. The firm serves automoblile manufacturers, manufacturers of industrial machines and precision mechanical products, including the areas of optics and electronics. The company was founded in 1864 and is headquartered in Gottingen, Germany.

IR.on AG provides management consulting services. Its services include investor relations, corporate actions, M&A activity and financial marketing. The company was founded by Fabian Kirchmann and Achim Josten in 2000 and is headquartered in Koln, Germany.

Part of Carl Mahr Holding GmbH, Mahr France SARL is a French company that specializes in high-quality measurement technology for quality control in measuring space, production, incoming goods, or development. The company is based in Igny, France and was founded in 1995. The company also offers gear pumps and mixed and dosing machines with the highest accuracy for the processing of liquids and pastes, as well as motion of highly accurate ball leaders for play-free lifting and rotating movements when using mechanical and facility construction. The company provides innovative measurement technology for a wide range of applications, including length and diameter, surface and contour, and gear and wave gear pumps. Mahr France also offers precise mixing and dosing of liquids and pastes, as well as play-free linear and rotary movements in mechanical engineering, equestrian technology, optics, and many other industries.

Part of Howard Miller Co., Kieninger Uhrenfabrik GmbH is a German company that specializes in traditional craftsmanship and precision watchmaking. The company, based in Aldingen, Germany, was founded in 1921 by Joseph Kieninger and is currently led by CEO Michael F. Schütz. Kieninger's timepieces are known for their masterful skills and aesthetic standards, offering an experience for the senses that captures the viewer's elegance and fascination. With 111 years of experience, the company's clocks are built with the highest quality materials and exclusive technical innovations to achieve absolute accuracy and reliability in every production step.

Engineering Synthesis Design, Inc. develops metrology instrumentation and software. Its Interferometers include MarSurf FI 2100 PS, MarSurf FI 3100 VB, MarSurf FI 2100 AS, MarSurf FI 1100 Z and MarSurf FI 1040 Z. The firm also offers IntelliWave, a de-facto software standard in wavefront analysis and interferometer independence. The company is headquartered in Tucson, AZ.

Mahr MWF GmbH offers custom measurement and testing solutions for automotive and other industry applications. It offers applications, standard and special measurement solutions. The company was founded in 1985 and is headquartered in Grossostheim, Germany.

Mahr GmbH provides fish acquiream services. Its services include production metrology, Mahr metering system and ball-bearing guides. The company is headquartered in Gottingen, Germany.

Carl Mahr Besitzgesellschaft mbH is a German company that rents and leases commercial land and non-residential buildings. The private company is based in Goettingen, Germany. The company was founded in 1963. Stephan Gais has been the CEO of the company since 2019.

Carl Mahr GmbH & Co. KG is an investment holding German company. The company is based in Goettingen, Germany. The CEOs of the private company are Stephan Gais, Udo Wilhelm Erath, Ulrich Kaspar.

EVAC GmbH provides cabin module, cabin interior, vacuum toilet, water and water waste system installation services. Its products include door gears, door lock, EVAC bus vacuum toilet, control and communication system, control panel, and enviroclean system. The company is headquartered in Wedel, Germany.