Hiolle Industries SA is a France-based industrial holding Company. The Company has four divisions: Industrial Services and Environment, Energies, Railways and Transport, and Others. The Industrial Services and Environment division is engaged in the manufacture of products in plastic industry, metal construction and foundry and maintenance, among others and specializes in the design and manufacture of equipment for waste treatment for waste such as derelict cars, scrap and non-hazardous industrial waste; the installation of equipment for smoke treatment, and the engineering of water treatment, among others. Through the Railways and Transports division Hiolle is involved technical installations and wiring works, among others. Through its Renewable Energies it plans, installs and services photovoltaic power plants. Hiolle Industries also offers water treatment consulting and engineering services.