| # | Company name | Role | # of projects |
|---|---|---|---|
| 581 | Slatile Roofing & Sheet Metal | Roof installation | 1 |
| 582 | SMAC | Roof installation | 1 |
| 583 | South East Enterprise Group Inc | Roof installation | 0 |
| 584 | South Texas Drywall | Roof installation | 0 |
| 585 | Southeast Enterprise Services | Roof installation | 0 |
| 586 | Southern Coast Enterprises Inc. | Roof installation | 0 |
| 587 | Southern Roofing Co Inc | Roof installation | 1 |
| 588 | Southwestern Roofing Inc | Roof installation | 1 |
| 589 | Specialty Roofing | Roof installation | 0 |
| 590 | Spilker Roofing & Sheet Metal | Roof installation | 0 |
| 591 | Spring Sheet Metal & Roofing | Roof installation | 0 |
| 592 | Srd Inc. | Roof installation | 0 |
| 593 | St. Louis Roofing | Roof installation | 1 |
| 594 | St. Paul Roofing & Cornice Works | Roof installation | 1 |
| 595 | Standard Supply & Lumber | Roof installation | 1 |
| 596 | Stanislaus Roofing | Roof installation | 1 |
| 597 | Star Roofing | Roof installation | 1 |
| 598 | Star West Contractors | Roof installation | 1 |
| 599 | State Roofing | Roof installation | 0 |
| 600 | Steel-lite Roofing | Roof installation | 0 |