Companies in the TecDAX

SAP SE (; ) doing business as SAP, is a German multinational software company based in Walldorf, Baden-Württemberg, Germany that is the world's largest vendor of enterprise software.

partially privatized German telecommunications company

German high-tech company

thumb|Aerial picture of the VARTA microbattery factory in Ellwangen (Jagst)|Ellwangen VARTA AG (; ) is a German company manufacturing batteries for global automotive, industrial, and consumer markets.

XING is a Hamburg-based career-oriented recruiting, job-search and social networking site, operated by New Work SE (until mid-2019 XING SE) and owned mainly by Hubert Burda Media.

Nordex SE is a European company that designs, sells and manufactures wind turbines, founded in 1985 and headquartered in the German city of Hamburg with production in Germany, Brazil, India, Mexico, Poland and Spain. According to the company, it had installed wind turbines with a total capacity of around 50 GW in over 40 countries worldwide by the end of 2023.

Nemetschek Group is a vendor of software for architects, engineers and the construction industry. The company develops and distributes software for planning, designing, building and managing buildings and real estate, as well as for media and entertainment.

German company

German company based in Lübeck

German technology company specializing in equipment and services for the biopharmaceutical industry

QIAGEN N.V. is a German-founded multinational provider of sample and assay technologies for molecular diagnostics, applied testing, academic research, and pharmaceutical research. The company operates in more than 35 offices in over 25 countries. QIAGEN N.V., the global corporate headquarter of the QIAGEN group, is located in Venlo, The Netherlands. The main operative headquarters are located in Hilden, Germany. European, American, Chinese, and Asian-Pacific regional headquarters are located respectively in Hilden, Germany; Germantown, Maryland, United States; Shanghai, China; and Singapore. Q

Aixtron SE is a German technology company headquartered in Herzogenrath, Germany. Its shares are listed on the Frankfurt Stock Exchange and it is a constituent of the MDAX and TecDAX indices. The company develops various types of chemical vapor deposition (CVD) equipment for electronic and optoelectronic applications based on III-V compound semiconductors and organic semiconductors. Aixtron is a leading manufacturer of metalorganic chemical vapor deposition (MOCVD) systems and also produces plasma-enhanced chemical vapor deposition (PECVD) equipment for the production of carbon nanotubes and o

Jenoptik AG is a Jena, Germany-based integrated photonics company. The company is listed on the Frankfurt Stock Exchange and is included in the TecDAX stock index.

German internet service provider

German Medical Company

publicly traded German telecommunications company

thumb|Bechtle's headquarters in Neckarsulm, Baden-Württemberg

public company

Siltronic AG is a German manufacturer of wafers made of hyperpure silicon headquartered in Munich.