| # | Company name | Role | # of Projects |
|---|---|---|---|
| 1 | 4-k Construction | excavation company | 1 |
| 2 | Aaa Paving | excavation company | 0 |
| 3 | A A Conte & Son Inc | excavation company | 4 |
| 4 | Aarsleff Bygg & Anläggnings AB | excavation company | 1 |
| 5 | A & A Sewer & Excavating | excavation company | 0 |
| 6 | A A Will | excavation company | 0 |
| 7 | A.A. Will Corporation | excavation company | 12 |
| 8 | Abc Land Clearing & Landscaping | excavation company | 1 |
| 9 | ABC Paving Company | excavation company | 0 |
| 10 | A & B Dirt Movers Inc | excavation company | 1 |
| 11 | AB Excavating | excavation company | 1 |
| 12 | Abilene Roadway Construction | excavation company | 0 |
| 13 | Abney & Melton Inc | excavation company | 0 |
| 14 | Abshar Construction | excavation company | 0 |
| 15 | Accord Excavation | excavation company | 1 |
| 16 | AccuBid Excavation Inc. | excavation company | 0 |
| 17 | Accurate Underground & Grading | excavation company | 1 |
| 18 | A C Pav Co | excavation company | 3 |
| 19 | Active Excavating and Contracting | excavation company | 7 |
| 20 | Adair Brown Co | excavation company | 0 |