| # | Company name | Role | # of Projects |
|---|---|---|---|
| 1 | 777 Demolition Ltd. | demolition company | 1 |
| 2 | A.1. Demolition Ltd | demolition company | 0 |
| 3 | AAA Wrecking | demolition company | 1 |
| 4 | A & A Demolition | demolition company | 1 |
| 5 | ABR Abbruch | demolition company | 1 |
| 6 | Absolute Demolition | demolition company | 1 |
| 7 | Ace Railroad Contractors | demolition company | 1 |
| 8 | Action Environmental Enterprises Inc. | demolition company | 0 |
| 9 | Adamo Demolition Company | demolition company | 4 |
| 10 | Advanced Explosives Demolition Inc. | demolition company | 6 |
| 11 | Ahrens Contracting, Inc. | demolition company | 1 |
| 12 | AL Macintosh Company Inc | demolition company | 2 |
| 13 | AMC Demolition Specialists Inc | demolition company | 1 |
| 14 | American Demolition Corporation | demolition company | 5 |
| 15 | American Services Group, Inc. | demolition company | 2 |
| 16 | American Wrecking Inc. | demolition company | 1 |
| 17 | Anderson Excavating Company | demolition company | 4 |
| 18 | Arcoenge | demolition company | 3 |
| 19 | A & R Demolition Inc. | demolition company | 8 |
| 20 | Ark Wrecking Company | demolition company | 1 |