| | Project Responsibility | Type of Contact |
| 1 | Project Manager | Corporate or Plant Contact with the Owner |
| 2 | Project Director | Corporate or Plant Contact with the Owner |
| 3 | Project Executive | Corporate or Plant Contact with the Owner |
| 4 | Compliance | Corporate or Plant Contact with the Owner |
| 5 | Contracts Administrator | Corporate or Plant Contact with the Owner |
| 6 | Inspection/Validation/Start Up | Corporate or Plant Contact with the Owner |
| 7 | Planning & Scheduling | Corporate or Plant Contact with the Owner |
| 8 | Procurement - Purchasing | Corporate or Plant Contact with the Owner |
| 9 | Specification and Reliability | Corporate or Plant Contact with the Owner |
| 10 | Architecture & Engineering | Third-Party Vendor |
| 11 | Architect | Third-Party Vendor |
| 12 | Construction Manager | Third-Party Vendor |
| 13 | Contractor | Third-Party Vendor |
| 14 | Design Engineering | Third-Party Vendor |
| 15 | Design-Build | Third-Party Vendor |
| 16 | Engineering & Construction | Third-Party Vendor |
| 17 | Engineering | Third-Party Vendor |
| 18 | Engineering, Procurement & Construction | Third-Party Vendor |
| 19 | Estimating | Third-Party Vendor |
| 20 | General Contractor | Third-Party Vendor |
| 21 | Real Estate Developer | Third-Party Vendor |
| 22 | Subcontractor | Third-Party Vendor |
| 23 | Technology Provider | Third-Party Vendor |
| 24 | Turn-Key | Third-Party Vendor |
| 25 | Consultant | Third-Party Vendor |
| 26 | Project Financing | Third-Party Vendor |