Helle Juhl

J2A Holding ApS provides investment services. It also owns shares in other companies. The company was founded by Jens Skjøt-Arkil and Jesper Hessellund Arkil on April 24, 2019 and is headquartered in Vojens, Denmark.

Arkil A/S provides engineering and construction services. It specializes in road works, port construction, foundations, tunneling, and major cable projects. The company was founded in 1991 and is headquartered in Vojens, Denmark.

Dansk Byggeri operates as a trade and employers' organization for construction and building industry. It focuses on labor markets and training policies; domestic and international enterprise policy interests; collective agreements; building regulations; and purchasing agreements and commercial proposals. The firm serves building contractors, small and medium-sized construction companies, and manufacturers of building components. The company was founded on January 1, 2003 and is headquartered in Copenhagen, Denmark.

AVS Vejsikring A/S delivers all types of shutdowns and traffic regulations throughout Denmark. The firm offers security measures to prevent complications, and unnecessary accidents and delays. It provides products such as warning and warning lights; marking equipment; barrier devices; urban equipment; construction materials; traffic signs; traffic lights; stripes; and guardrails. The company was founded in 2006 and is headquartered in Gadstrup, Denmark.

Maersk A/S engages in the wholesale of solid, liquid, and gaseous fuels. It purchases and sells bunkers and lubricant. The company was founded on October 25, 1962 and is headquartered in Copenhagen, Denmark.

COWI A/S provides engineering and consulting services. It specializes in economics, management and planning; water and environment; railways, metros, roads, and airports; buildings; geographical information; bridge, tunnel; and marine structures. The company was founded by Christen Ostenfeld in 1930 and is headquartered in Kongens Lyngby, Denmark.

DEIF A/S designs and markets instrumentation products. Its products include comprise engine & gen-set controls, renewable energy controls, marine bridge instrumentation and switchboard instrumentation. The company was founded in 1933 and is headquartered in Skive, Denmark.

Semco Maritime Holding A/S is an investment holding Danish company. The private company is based in Copenhagen, Denmark. The company was founded in 2016. The CEO is Stella Jacobsson.

Semco Maritime AS provides project engineering services to the energy sector. It offers manpower, ballast water treatment, steel construction and piping, and communication, management software, potable water, wellhead control, and chemical injection systems. The company was founded on May 24, 1988 and is headquartered in Stavanger, Norway.

W. Giertsen Services AS engages in the development, manufacture, and sale of lifting equipment. Its products include washers, block, beams, frames, steel rope and accessories, chain, and load handling equipment. The company was founded on September 19, 2003 and is headquartered in Bergen, Norway.

Carl Ras A/S operates as a retailer of hardware supplies and related goods. Its services include delivery, repair, and consultancy. The company was founded by Carl Rasmussen in 1932 and is headquartered in Herlev, Denmark.

Semco Maritime, Inc. provides offshore power generation equipment repair services. The private company is based in Houston, TX.

Semco Maritime A/S engages in the contracting and engineering services within the offshore and onshore energy sector. It offers solutions within diesel and wind power plants; electrical transmission systems; and substations. The company was founded in 1998 and is headquartered in Esbjerg, Denmark.

Arvid Nilsson A/S produces and distributes bolts, nuts, and screws. Its products include hot dip galvanized hex head bolts M8-M80, plough bolts, carriage bolts, press and welding screws, wheel bolts, frame rivets, silo bolts, clevis pins, eye bolts, special fasteners (cold heading), and hot forged special bolts. The company was founded in 1918 and is headquartered in Hvidovre, Denmark.

Part of J2A Holding ApS, Arkil Holding GmbH is a German company that specializes in various service and production areas of the construction industry. The company is based in Schleswig, Germany and has locations throughout Schleswig-Holstein and Mecklenburg-Vorpommern. The CEOs of the company are Jesper Hessellund Arkil and Guido Tatge.

European International Contractors EV operates as a contractors association. The company was founded in 1970 and is headquartered in Berlin, Germany.

Company42 ApS operates a platform for payment of patent annuities. The company was founded by Jesper Ohrt Juel Jensen, Mads V. Jørgensen and Willumsen Nicki Friis and is headquartered in Frederiksberg, Denmark.