| Business | Phone |
| Michalowski Contracting Inc 54 S Howell Ave, Centereach 11720 | (631) 696-6407 |
| Dirt Diggers Equipment 1769 Middle Country Rd, Centereach 11720 | (631) 981-0779 |
| Doug Wholey's Excavating 74 S Coleman Rd, Centereach 11720 | (631) 736-8026 |
| Ideal Cesspool 72 S Coleman Rd, Centereach 11720 | (631) 544-4900 |
| United Excavating Inc 1734 Middle Country Rd, Centereach 11720 | (631) 588-0139 |