Companies based in Hesse

Opel Automobile GmbH (), usually shortened to Opel, is a German automobile manufacturer which has been a subsidiary of Stellantis since January 16, 2021. It was owned by the American automaker General Motors from 1929 until 2017 and the PSA Group prior to its merger with Fiat Chrysler Automobiles to form Stellantis in 2021. Most of the Opel lineup is marketed under the Vauxhall brand in the United Kingdom since the 1980s. Some Opel vehicles were badge-engineered in Australia under the Holden brand until 2020, in North America and China under the Buick, Saturn (until 2010), and Cadillac brands,

German optics company

German multinational science and technology company

German consumer products company based in Kronberg

German health care company

Wella is a multinational hair care and cosmetics company headquartered in Geneva, Switzerland. It develops, manufactures, and distributes professional and consumer hair and nail products, including coloring, styling, and hair care lines. Founded in 1880 in Germany by Franz Ströher, the company has undergone multiple ownership transitions. Since 2020, it has operated as an independent entity, majority-owned by private equity firm KKR following its separation from Coty Inc.

German company

The Viessmann Generations Group (formerly Viessmann Group) is a holding company of the Viessmann family. The company’s core business until 2023 consisted of heating technology products. In April 2023, the U.S. corporation Carrier Global acquired this division of Viessmann for 12 billion € and continues it as Viessmann Climate Solutions SE.

German medical supply company

Rowenta is a German brand that offers small household appliances. Since 1988, it has been part of the global French Groupe SEB.

German record label

The Teka Group is a multinational company founded in Germany in 1924 and engaged in the manufacture and commercialisation of kitchen products. It specializes in sinks, exhaust hoods, hobs (also known as stovetops or cooktops) and ovens. The group has 14 factories in Europe, the Americas and Asia and commercializes its products in 116 countries. The company has a workforce of 4,700 employees worldwide. Its products range from sinks and taps to ovens, induction hobs, extractor hoods and washing machines, among other electrical appliances.

German outdoors clothing and equipment manufacturer and retail chain

German water filter company

German software producer

Bärenreiter (Bärenreiter-Verlag) is a German classical music publishing house based in Kassel. The firm was founded by Karl Vötterle (1903–1975) in Augsburg in 1923, and moved to Kassel in 1927, where it still has its headquarters; it also has offices in Basel, London, New York and Prague. The company is currently managed by , and .

Heraeus is a German technology group with a focus on precious and special metals, medical technology, quartz glass and sensors as well as electronic components. Founded in Hanau in 1851, the company is one of the largest family-owned companies in Germany in terms of revenue. Heraeus employs 16,400 people in 40 countries and generated a total revenue of €25.6 billion in 2023. The headquarters and head office are in Hanau, Germany.

Small German airline

German pharmaceutical company

Retailer for Workwear, Safety Footwear & Personal Protective Equipment

German solar energy equipment supplier

Manroland AG manufactures newspaper web offset presses, commercial web offset presses, and sheetfed offset presses for commercial, publications and packaging printing.

former German airline

German video game development company

company producing telescopic sights

trademark

250px|thumb|right|Selgros activities in Europe Selgros is a cash and carry chain in Europe, owned by Transgourmet Holding, a wholly owned subsidiary of Coop (Switzerland). It started in 1989 as a joint venture between Rewe Group (50%) and Otto Group (50%). In March 2008, Rewe took over 100% of the company, and in October 2008 formed the Transgourmet Holding company with Coop. In 2011, Coop purchased the remaining interests of Transgourmet, which included Selgros.

Temmler Werke GmbH was founded in Detmold in 1917 by Hermann Temmler. The Temmler Group is a German pharmaceutical company, which focuses on the production, sale and contract production of pharmaceutical products. In 2012, the Temmler Group was taken over by the Aenova Group and with its seven production sites is one of the largest European pharmaceutical contract manufacturers.

TrekStor GmbH & Co. KG is a German manufacturer of portable storage products, audio devices and tablet computers incorporated in 2001 and located in Bensheim, Germany. thumb|right|TrekStor MP3 Player i.Beat move S 4Gb

alt=Modular Smartphone “Shift6mq”|thumb|320x320px|SHIFT6mq Shiftphone is a modular, easy-to-repair smartphone brand created by the company SHIFT in Germany. The company emphasizes fair trade and ecology, similar to Fairphone. Instead of tantalum capacitors made from coltan, ceramic capacitors are used for their manufacturing. So far, eleven model series have been released. The most recent release was the SHIFT6mq (successor of the Shift6m) in June 2020. The upcoming device will be the SHIFTphone 8, scheduled for release in 2024.

HAMEG Instruments GmbH was a German enterprise specialized in the development and production of laboratory instruments (such as oscilloscopes). The company was located in Mainhausen near Frankfurt, Germany until it was completely integrated in the test & measurement division of Rohde & Schwarz in 2016. As a result, HAMEG as an independent company was closed.

German animation studio

German Company

thumb|View of "Super Natur Markt" thumb|Shelf with grain products in a store of the chain thumb|Götz Rehn, CEO and founder of Alnatura

German food company

German electronic equipment brand

company

German multinational company supplying industrial gases

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company

German transport company

former furniture manufacturer

Manufacturing company

European sporting goods retail chain cooperative

Rittal is a German manufacturer of electrical enclosures for use in industrial settings. Founded in 1961, Rittal is a subsidiary of the Friedhelm Loh Group. The name Rittal is derived from the place where the company was founded – Rittershausen in Dietzhölztal. The company headquarters is in Herborn.

transport company

German game publisher