- 2 H Offshore Inc
- 2h Offshore Inc
- Alliance Engineering Inc
- Aptech Engineering Svc
- Coler & Colantonio Inc
- Control Consulting
- Deteq Services
- DNV
- Entech Civil Engineers
- Entech Civil Engineers
- Environeering Inc
- Environeering Inc
- Gva Consultants Ab
- Gva Consultants Ab
- Hyundai Heavy Industries Co
- Hyundai Heavy Industries Co
- James T Hickey & Assoc
- James T Hickey & Assoc
- Jardine & Assoc Inc
- Jardine & Assoc Inc
- Michael Baker Jr Inc
- Michael Baker Jr Inc
- Modec International
- Modec International
- Mustang Engineering
- Mustang Engineering