
Some of the projects and clients of Primary Horizon (PH) include:
| Location | Works Description | |
|---|---|---|
| 
 | Pantai Medivest, Malaysian Government Hospitals & Public Health Laboratory 
 | Facility Engineering Maintenance Services (FEMS) for hospital buildings, vehicles and related equipment | 
| 
 | Tuanku Mizan Military Hospital | Communication systems: Public Address system, Fireman Intercom, Nurse call system, Queue system, Master Clock system, OT intercom, SMATV system | 
| 
 | Sultan Ismail Hospital | Upgrading Works for Architectural, Electrical including Air Conditioning, Fire Protection system, and Eradication & Treatment of Fungus | 
| 
 | Premier Diagnostic Centre | Mechanical & Electrical Works including Air-Conditioning, Telecommunication and Computer Network systems | 
| 
 | Integrated Rehabilitation Centre,  | Mechanical & Electrical works: Air Conditioning, Ventilation and Fire Prevention systems |