| Business | Phone |
| A-1 Fasteners & Tools Inc 4200 N Graham St, Charlotte 28206 | (704) 597-1623 |
| Penhall Co 2008 Gateway Blvd, Charlotte 28208 | (704) 392-0644 |
| Champion Concrete Cutting 3108 Rock Springs Rd, Charlotte 28226 | (704) 363-2211 |
| Contract Core Drilling Co 7408 Orr Rd, Charlotte 28213 | (704) 596-8906 |