Blue Line indgår ofte langvarige samarbejder. Her er et udpluk af væsentlige kundereferencer:
| Aalborg Industries | Lundbeck | |
| Marine Displays | Displays (rustfrit stål) | |
| ABB | Nassau Door | |
| Industri Computere | Rugged Mobile Computers | |
| Bosch | Novo | |
| Displays | Displays | |
| Digital Skiltning | ||
| Oticon | ||
| Brødrene Dahl | Industri Computere | |
| Rugged Mobile Computers | ||
| Region Nordjylland | ||
| FLSmidth | Point-Of-Care Terminaler | |
| Industri Computere | ||
| Rugged Mobile Computers | Reson | |
| Industri Displays | Marine Computere | |
| Forsvaret | RISØ | |
| Marine Displays | Industri Computere | |
| Computere | ||
| Rugged Mobile Computers | Terma | |
| Industri Computere | ||
| General Electric Healthcare | Rugged Mobile Computers | |
| Medical Computere | ||
| Point-Of-Care Terminaler | UNI-C | |
| Industri Computere | ||
| Interieur | ||
| Digital Skiltning | Zenitel | |
| Outdoor Displays | ||
| Logstor - Løgstør rør | ||
| Rugged Mobile Computers | Ragn-Sells | |
| Rugged Mobile Computers | ||
| Jyske Bank | ||
| Workstations | ||
| New Store Europe | ||
| Digital Skiltning | ||