A Selection of Octec's Customers
| US Department of Defence | FLIR Systems, USA/UK |
| UK Ministry of Defence | Bofors, Sweden |
| European Space Agency, France | Alliant TechSystems, USA |
| Boeing Company, USA | Thales, UK |
| Sagem, France | L3 Communications, USA |
| Brashear LP, USA | STN, Germany |
| Lockheed Martin, USA | BAe Systems, UK/USA |
| Raytheon Company, USA | Ultra UK |