| Clark Engineers, Inc - Provides civil, construction, environmental, landscape, mechanical and structural engineering services. |
| Hemsley Orrell Partnership - UK based. Consulting, civil and structural engineers, providing structural, building, underwater engineering, mechanical, electrical, health safety and surveys. |
| John Meyer Consulting - Site development consultants including site planners, landscape architects, civil and traffic engineers, environmental specialists and land surveyors. |
| Proserve Limited - Design and manufacture of fabric formwork primarily for underwater construction uses. |