Ulf Allan Gejhammar

Dignita AB provides breath analyzing equipment for the automotive industry. It offers breath analyzers for professionals and private use. The company is headquartered in Umea, Sweden.

Gejhammar Management AB provides corporate consulting services.

Part of Alviks Service AB, Alviks Buss AB is a Swedish company that offers bus transportation services to both employees and customers.

Part of Alviks Service AB, Alviks Trafik AB is a transportation company based in Luleå, Sweden. Alviks Trafik operates with 30 buses, 60 trucks, and 100 employees, providing high-quality transportation services for both passengers and goods. The Swedish company offers modern tourist buses in two sizes with various services, as well as comfortable buses for regular, school, and charter transportation. The company was founded in 1920 by Albin Åström and is currently led by CEO Johan Åström, who is the fourth generation to run the company.

M3 Schakt AB is a Swedish company that distributes construction machinery and transport equipment.

Dignita Systems AB engages in the manufacturing of alcohol measurement and testing tools. It offers breathalyzers, ignition interlock devices, and calibration of breathalyzers. The company was founded on January 5, 2000 and is headquartered in Umeå, Sweden.