The headquarters, E.I.S. Electronics GmbH, is located in Bremerhaven, Germany. The production facility includes well equipped workshops, cleanrooms, huge inventory and electrical testing laboratories. Engineering and Group Administration is also located in the Bremerhaven HQ.

E.I.S. Electronics (India) Pvt. Ltd. operates the production unit in Kanpur, India. This facility is fully equipped to manufacture Aerospace harnesses in India. The workshops are air conditioned with electrical test laboratory and equipped with 100% captive power back up for unhindered production.

E.I.S. Aerospace Wiring GmbH is located in Bremen, the German centre for Space Industry. E.I.S. Aerospace Wiring operates a large cleanroom to produce satellite harnesses and prepare for flight integration.