| Business | Phone |
| Awesome Precision Welding 205 Brook Ave # D, Deer Park 11729 | (631) 242-8009 |
| Marine Fabrication 280 Suburban Ave # A, Deer Park 11729 | (631) 274-4786 |
| Metropolitan Fleet Repair 975 Long Island Ave, Deer Park 11729 | (631) 667-3737 |
| General Welding Supply Corp 315 Bay Shore Rd, Deer Park 11729 | (631) 243-0024 |
| Humpyb Uilt Enterprises Inc 285 Bay Shore Rd, Deer Park 11729 | (631) 242-1140 |
| Smith Precision Specialties 289 Suburban Ave # C, Deer Park 11729 | (631) 254-3031 |
| T & W Welding & Fabrication 113 Brook Ave, Deer Park 11729 | (631) 243-2673 |