Ines Kolmsee

EWE AG provides utility services such as distribution of electricity and gas. The firm supplies electricity and natural gas, water management, communication infrastructure, Internet connections, billing systems in network control, energy trading, and energy management. The company was founded in 1943 and is headquartered in Oldenburg, Germany.

Vigie SA engages in the provision of water and waste management services through its subsidiaries. It operates through the following segments: Water, Recycling and Recovery, Environmental Technology and Solutions (ETS), and Other. The Water segment offers water distribution and treatment services, particularly under concession contracts. The Recycling and Recovery segment includes waste and waste treatment services for local authorities and industrial clients. The ETS segment consists of water services for the industrial customer segment, hazardous waste services as well as customized services, technologies and solutions for industrial or municipal customers, as well as consulting services. The Other segment refers to the holdings. The company was founded in 1822 and is headquartered in Paris, France.

ESM Group, Inc. supplies magnesium products and injectors for the steel industry. Its products include iron and steel desulphurization stations, magnesium metal powder products & reagents, equipment and systems for iron and steel treatment. The firm provides desulphurization and secondary metallurgy services, caster segment maintenance, equipment design & manufacturing and supply of specialty magnesium to non-steel related industries. The company was founded in 1957 and is headquartered in Amherst, NY.

Haldor Topsøe A/S, also known as Topsoe, is a Danish company led by Roeland Ijsbrand Baan.

Affival Inc. specializes in treatment of liquid steel. The firm produces calcium bearing, aluminum rods, carbon, sulphur, iron, lead and bismuth and cored wires. Its services include spare parts, maintenance visits, and supervision. The company was founded in 1985 and is headquartered in Verona, PA.

SKW Stahl-Metallurgie GmbH is a German company that manufactures and sells chemical additives. The private company is based in Unterneukirchen, Germany. The CEOs are Franck Delavaquerie, Manfred Reichl. The company was founded in 2002.

Smart Hydro Power GmbH develops and commercializes hydro power plants. It implements hydro electric power generation using kinetic power. The firm provides turbines, electric management systems, auxiliaries and batteries. It also focuses on the construction of mircogrids, national grids, river flow systems. The company was founded by Karl Reinhard Kolmsee in 2010 and is headquartered in Feldafing, Germany.

SKW QUAB Chemicals, Inc. is a private company that manufactures and distributes cationizing reagents. The company is based in Saddle Brook, NJ.

Affimex Cored Wire S. de R. L. De C. V. is a Mexican company that manufactures primary slabs and ferroalloys.

Aperam Stainless Services & Solutions Poland Sp zoo engages in the manufacture of stainless and acid-resistant steel. The company was founded in 1999 and is headquartered in Siemianowice Slaskie, Poland.

Tecnosulfur SA provides hot metal desulphurization solutions for the steel industry. The private company is based in Sete Lagoas, Brazil. Tecnosulfur was acquired by SKW Stahl-Metallurgie Holding AG on December 23, 2009.