| | Company | # of subcontractors | # of vehicles | Vehicle | Vehicle capacity (kg) | Cost of each vehicle (t/km) |
| | A | 8 | 3 | 1, 2, 3 | 1500, 3000, 150 | 0.48, 1.34, 0.24 | | B | 11 | 3 | 1, 2, 3 | 1250, 500, 500 | 0.41, 0.30, 0.30 | | C | 12 | 3 | 1, 2, 3 | 2000, 1500, 1000 | 0.55, 0.48, 0.35 | | D | 10 | 3 | 1, 2, 3 | 1500, 1500, 1250 | 0.48, 0.48, 0.41 |
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