| Business | Phone |
| Bruno's Technology Inc 301 Christopher St, Ronkonkoma 11779 | (631) 467-5005 |
| Metal Crafters 2085 5th Ave, Ronkonkoma 11779 | (631) 471-7733 |
| N L Instruments 90 13th Ave, Ronkonkoma 11779 | (631) 471-4000 |
| Four Star Developers Inc 2121 5th Ave, Ronkonkoma 11779 | (631) 467-4004 |
| Olympic Manufacturing Inc 2039 9th Ave, Ronkonkoma 11779 | (631) 580-1730 |
| Island Metal Fabricating Inc 9 Colt Ct, Ronkonkoma 11779 | (631) 737-1770 |
| J & T Metal Inc 38 Raynor Ave # 3, Ronkonkoma 11779 | (631) 471-5335 |
| Jfm Sheet Metal Inc 2090 Pond Rd, Ronkonkoma 11779 | (631) 737-8494 |
| Triple S Air Systems Inc 80 Raynor Ave, Ronkonkoma 11779 | (631) 580-7460 |