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Berliner Stadtreinigungsbetriebe provides waste collection and street cleaning services for the city of Berlin. It also operates disposal sites and recycling centers. The firm was founded in 1951 and is headquartered in Berlin, Germany.

Gegenbauer Holding SE & Co. KG provides building maintenance and cleaning services. It company offers industrial and public FM, health care, property and location management and construction and security services. The company was founded in 1925 and is headquartered in Berlin, Germany.

Gas-Union GmbH engages in the production and supply of natural gas. The firm operates through the following segments: Sales, Trading, and Services; Networks; Storage; and Upstream. The Sales, Trading, and Services segment focuses on product procurement, sales, distribution, and risk management processes. The Networks segment refers to product transport. The Storage segment is reponsible for technical storage and services. The Upstream segment specializes in gas exploration. The company was founded in 1961 and is headquartered in Frankfurt, Germany.

Messe Berlin GmbH engages in organizing trade fairs and congress events. Its services include standard construction service, catering, staffing, online ticketing, virtual marketplace, marketing, events and diplomatic services, and consulting. The company was founded in 1822 and is headquartered in Berlin, Germany.

Berliner Energieagentur GmbH provides gas services. Its three business divisions Consulting, Contracting and International Know-how transfer, develop and realize innovative projects that reduce high energy costs as well as CO2 emissions. The company was founded in 1992 and is headquartered in Berlin, Germany.

TEAG Thüringer Energie AG engages in the sale, distribution, and trade of energy and related products. It offers electricity, natural gas, as well as electro-mobility solutions. It also provides thermographic and air permeability examination of buildings, and other consulting services. The company was founded on November 15, 2007 and is headquartered in Erfurt, Germany.

BCA AG engages in the provision of financial and insurance consulting services. The firm offers digital tools, such as investment shop with online direct transaction process and custody account reporting. It also operates an end customer app for insurance and investment, as well as chat function and digital portfolio transfer option. The company was founded in 1985 and is headquartered in Oberursel, Germany.

Part of IDEAL Lebensversicherung AG, IDEAL Versicherung AG provides life, property and casualty insurance services. The private company is based in Berlin, Germany. Maximilian Beck has been the CEO of the German company since 2021.

American Chamber of Commerce in Germany eV engages in the enhancement of global economic and trade relations. The company was founded on January 29, 1903 and is headquartered in Frankfurt am Main, Germany.

WSW Energie & Wasser AG engages in the provision of utility services for private, industrial, and corporate clients. The firm generates electricity from coal-fired, hydro, and wind power stations. It also operates facilities for the collection and treatment of water and wastewater, as well as the distribution of drinking water. The company is headquartered in Wuppertal, Germany.

Enovos Luxembourg SA engages in the generation, distribution, and transmission of electricity and gas. It involves in the generation and supply of electricity through combined cycle gas and steam turbine, wind farms, biogas plants and hydroelectric power stations, as well as photovoltaic power plants; generation and supply of heat, cold air, electricity in the public, domestic, service sectors supply of maintenance services to third-party cogeneration stations. The company was founded on August 2,1993 and is headquartered in Luxembourg.

EnergieSüdwest AG is a private company based in Landau, Germany. and has subsidiaries in Germany. The German company provides electricity, water, and heat services to private and commercial customers. The company offers a range of services including tariff calculators, meter readings, and invoice management through their customer portal. EnergieSüdwest AG also provides e-mobility funding programs and wallbox for at-home charging. The company emphasizes customer service and offers a contact form, emergency services, and a FAQ section on their website.

Part of Ontex Group NV, Ontex CZ sro is a private company that engages in manufacturing sanitary paper products from purchased paper. The company is based in Turnov, Czechia.

Part of IDEAL Lebensversicherung AG, Ahorn AG is a German company that unites over 65 funeral brands and more than 270 branches under its umbrella. The private company is based in Berlin, Germany. The company's goal is to provide competent and understanding advice and support in the event of bereavement and funeral planning. With over 1,100 employees, the company is committed to a transparent funeral industry, reliable and high-quality services, and the destigmatization of death in public and society, for dignity and respect towards the deceased. The company was founded in 1998. The CEO is Olaf Dilge.

Part of Bayerische Beamten Lebensversicherung AG, Krausenstraße GmbH & Co. oHG is a real estate leasing private company based in Berlin, Germany. The CEOs of the German company are Karlheinz Fritscher, Rainer Michael Jacobus, Olaf Dilge. Krausenstraße GmbH & Co. oHG specializes in leasing real estate properties.

Part of Pfizer Inc., Pfizer Deutschland GmbH is a pharmaceutical company based in Berlin, Germany. Pfizer Deutschland is a research and German production-based pharmaceutical company that contributes to medical progress and sustainable production. The private company was founded in 1958. Peter Albiez has been the CEO of the company since 2015.

Volkswagen Group Services GmbH provides process and human resource services to the Volkswagen Group. It specializes in the areas of research and development, data engineering, quality assurance, logistics, procurement, marketing, and manufacturing. The company was founded in 2001 and is headquartered in Wolfsburg, Germany.

Part of Commerzbank AG, onvista media GmbH is a German programmatic advertising company that specializes in the automated and optimized purchase of online advertising inventory. The private company is based in Cologne, Germany and is the exclusive marketer of digital offers in the areas of finance, sports, lifestyle, and luxury. The company also offers lead generation services to generate qualified leads for their clients' products and services. The company also operates one of the most visited financial portals in Germany, onvista.de. The CEOs of the company are Markus Nimtz and Christian Bothe.

Part of Zumtobel Group AG, Tridonic GmbH & Co. KG is an Austrian company that manufactures and distributes light fixtures and light management devices. The private company is based in Dornbirn, Austria.

Innoplexus AG provides consulting-led technology and product development services. It offers innovation management, bigdata and analytics, data virtualization, cloud computing, machine learning, network analysis and text analytics services. The company was founded by Gunjan Bhardwaj and Gaurav Tripathi in 2011 and is headquartered in Stuttgart, Germany.

Drylock Technologies Ltd. manufactures personal absorbent hygiene products. It provides baby diaper, feminine hygiene and adult incontinence products. The company was founded on November 16, 2016 and is headquartered in Eau Claire, WI.

Part of LSG Lufthansa Service Holding AG, LSG Sky Chefs, Inc. provides catering services for airlines and railway industries. The private company is based in Phoenix, AZ.

Part of Berlin Partner GmbH, Partner für Berlin Holding Gesellschaft für Hauptstadt-Marke is a Berlin-based investment holding private company. Partner für Berlin Holding Gesellschaft für Hauptstadt-Marke functions as an investment holding company. The German company was founded in 1994 and is led by CEOs Sebastian Holtgrewe and Stefan Franzke.

Innio Jenbacher GmbH & Co. OG engages in the fabrication of machines. Its product portfolio includes gas-fired cogeneration systems and gensets. The firm also provides repair, maintenance, and parts replacement services. The company was founded on October 4, 2003 and is headquartered in Jenbach, Austria.

BBT Treuhandstelle des Verbandes Berliner is a German company that has been a competent partner for over 30 years for various types of real estate companies, credit institutions, and municipalities. The company is based in Berlin, Germany, and has subsidiaries in Germany. It offers five areas of expertise with the goal of ensuring the success of its clients. The private company was founded in 1990, and the CEO is Kay Schulte.

Part of Volkswagen AG, Volkswagen Sachsen GmbH is a German company that manufactures and wholesales cars. The private company is based in Zwickau, Germany. Thomas Ulbrich has been the CEO of the company since 2018.

Part of Volkswagen AG, Volkswagen Bildungsinstitut GmbH is a training institute that offers courses and training programs in various fields such as welding, soldering, and consulting. The private company is based in Zwickau, Germany. The Volkswagen Bildungsinstitut is the competence center for Saxony and a partner of Volkswagen Sachsen GmbH and many other renowned companies in the region. The German company's Training Center for Automotive Service provides expert knowledge about cars. The company was founded in 1990. Holger Naduschewski has been the CEO of the company since 2010.