T.E. Tecnologie per l'energia s.r.l. offers its services on engines and diesel electric power stations in the following industrial sectors:

• Construction of engines, generating sets and motor pumps, some of the customers are Wartsila, Isotta Fraschini, Caterpillar, Deutz, CTM, Intergen, Ergen, Riello, IML, CGT, MAIA, Grandi Motori Trieste (GMT), Tessari Energy
• Primary Energy, whose customers are, Enel, Municipal Electricity Companies, Ansaldo Energia, Ansaldo Nucleare, Camara Municipal de Fogo (Cape Verde), Elettroperù, Yemenite Electricity, Iranian Electricity, Cambodian Electricity (CUPL), ABB, Smede, Selis
• Oil and mining, some customers are Snamprogetti, Techint, Bonatti, Sirtec-Nigi, Edison oil, Agip, Snim (Mauritania), Saipem, Italiana Coke, NAOC (Nigeria), Maire Tecnimont SpA
• Industrial, the company's customers are, Pilkington, Saint Gobain, Radicifil, Vogliazzi, Gran Milano, ABB, FFC (Pakistan), Ocrim, Lear-Pianfei
• Naval that counts clients like Fincantieri, Italian Ministry of Transport, Italian Navy, Azimut Benetti, Harbor Offices, Caremar, Siremar, Toremar, Saremar, Tirrenia, Costa Cruises, Carnival Cruises, P&O Cruises, Sardinian Tugs, Mobylines
• Aeroportule Sector, for the Italian Air Force, Turin Airport
• Railway, which boasts clients such as Trenitalia, Firema
• Hospital, Mantova Hospital, S. Corona Hospital of Pietra Ligure, Larc Laboratories
• Telefonico, Telespazio, Tim, Telecom
• Hotelier, Club Med
• Research laboratories, INRIM
• Data processing centers, for BNL, Generali, Monte dei Paschi di Siena, Credito Valtellinese
• Large buildings for Astaldi, Vanini, Guerrini, Salini