| Factor | Mean | Std. Deviation | %of Relative Importance Index | t-value | P-value | Rank |
|---|---|---|---|---|---|---|
| Sufficient experience with the contractor. | 4.58 | 0.496 | 91.69 | 30.155 | 0.000 | 1 |
| The presence of highly qualified technical staff. | 4.44 | 0.722 | 88.76 | 18.785 | 0.000 | 2 |
| The availability of sufficient funding for the contractor to carry out business. | 4.37 | 0.774 | 87.42 | 16.701 | 0.000 | 3 |
| The good reputation and honesty of the contractor. | 4.31 | 0.684 | 86.29 | 18.127 | 0.000 | 4 |
| The contractor is aware of technical specifications required for business and their high-quality implementation. | 4.29 | 0.815 | 85.84 | 14.963 | 0.000 | 5 |
| The attention of the contractor's plans to security and safety during implementation. | 4.21 | 0.959 | 84.27 | 11.937 | 0.000 | 6 |
| The incorporation of subcontractors of reputable and excellent quality. | 4.16 | 0.705 | 83.15 | 15.476 | 0.000 | 7 |
| A clear vision and future plans to implement the business. | 4.15 | 0.806 | 82.92 | 13.422 | 0.000 | 8 |
| Commitment to implementing actions within the time required. | 4.11 | 0.859 | 82.25 | 12.222 | 0.000 | 9 |
| Ability to control and coordinate on site. | 4.01 | 0.746 | 80.22 | 12.786 | 0.000 | 10 |
| The ability to resolve conflicts. | 3.91 | 0.748 | 78.20 | 11.473 | 0.000 | 11 |
| The contractor's availability of modern equipment. | 3.89 | 0.790 | 77.75 | 10.604 | 0.000 | 12 |
| The contractor cares about the satisfaction with all parties. | 3.69 | 0.847 | 73.71 | 7.630 | 0.000 | 13 |
| The presence of contractor stores. | 3.64 | 0.932 | 72.81 | 6.480 | 0.000 | 14 |
| Workshops and periodic training sessions are held for staff working in the company. | 3.52 | 0.893 | 70.34 | 5.458 | 0.000 | 15 |
| Total | 4.09 | 0.435 | 81.71 | 23.535 | 0.000 | – |