| Postnummer | Ort | Firmanamen | Adress | Telefonnummer | Domain / www-site |
| 0668 | OSLO | Hovdan Poly AS | Stubberudsveien 10 Alnabru | +47 23 14 12 60 | www.hovdan-poly.no |
| 1522 | MOSS | Seatronic A/S | Slalåmbakken 2 | +47 69 25 09 60 | www.seatronic.no |
| 1607 | FREDRIKSTAD | Tel-Rad AS | Agentgaten 1 | +47 69 31 56 16 | www.tel-rad.no |