Ulf Christian A. von Uthmann

HyHeat AB provides heat recovery technology. It develops heat pumps based on hygroscopic absorbents for the heat, power, and forest industries. The firm focuses on heat recovery from flue gas and industrial gas streams. The company was founded in 1994 and is headquartered in Stockholm, Sweden.

One Nordic AB engages in the supply of services in the field of energy technology and contracting. It offers technical, contracting, drone, electric power technology and automation, nuclear and measurement technology, traffic, energy optimization, operative communication, and maintenance services. The company is headquartered in Malmo, Sweden.

Infranord AB is a railway contractor that builds and maintains railways. The private company is based in Solna, Sweden and has subsidiaries in Norway. Infranord offers training that gives authorization to stay and work on SL's tracks and provides track machines and workshop services to the entire market. The Swedish company is characterized by solid railway knowledge, high safety, and extensive investments in being the industry's most valued employer. Henrik Löfgren has been the CEO of the company since 2019.

Innenco Sweden AB provides environmental consultation services.

Argynnis Group AB provides investment services. The private company is located in Sweden and has subsidiaries in Sweden.

Vattenfall Business Services Nordic AB provides accounting and bookkeeping services. The company is a subsidiary of Vattenfall AB and ultimately controlled by the Government of Sweden. The company is based in Stockholm, Sweden and was founded in 1991.

Vattenfall Services Nordic AB builds, maintains, and develops energy solutions for industries and public sector. Its services include construction, maintenance, and consulting. The firm serves power, energy, communications, transportation, and real estate sectors. The company is headquartered in Solna, Sweden.

Biokolprodukter Global AB is a Swedish company that develops and sells biocarbon products with quality, skills, and personality. The private company is based in Kolmarden, Sweden, and was founded in 2019. The company offers biocarbon products for the restoration of grace, erection building, and complete substrate with biocarbon. The company has ongoing projects such as the Biocenth concrete project, where they will develop and produce biocarbon concrete. The company can deliver to the whole of Sweden, and for inquiries, customers can contact them through their phone or email. The CEO is Lotta Ek.