| Business | Phone |
| Advanced Maintenance Corp 1580 Ferndale Blvd, Central Islip 11722 | (631) 582-9100 |
| Commercial Maintenance Corp 1580 Ferndale Blvd, Central Islip 11722 | (631) 582-5534 |
| Eastco Building Svc Inc 400 Carleton Ave, Central Islip 11722 | (631) 232-2491 |