Lapo Vivarelli Colonna

Sampsistemi Srl engages in the production of steel wires. Its other products include copper, aluminum, and cable wires through drawing, rotating, and cable extrusion machines. The company was founded in 1936 and is headquartered in Bentivoglio, Italy.

Officine Maccaferri SpA engages in the provision of engineered solutions to the construction, geotechnical, and mining industries. It specializes in gabion retaining structures, and also offers other engineered solutions including reinforced soil structures, coastal protection, soil stabilization, landfills, natural hazard mitigation, and river control works. The company was founded by Raffaele Maccaferri on May 3, 1879 and is headquartered in Zola Pedrosa, Italy.

S.E.C.I. Società Esercizi Commerciali Industriali SpA engages in the provision of environmental and mechanical engineering services. The company was founded in 1949 and is headquartered in Bologna, Italy.