| Business | Phone |
| Crs Precision Corp 640 W Merrick Rd, Valley Stream 11580 | (516) 568-2853 |
| Facilamatic Instrument Corp 39 Clinton Ave, Valley Stream 11580 | (516) 825-6300 |
| Quantum Security Systems Inc 101 E Hawthorne Ave, Valley Stream 11580 | (516) 371-5800 |
| Montana Instrument Co 134 Ethel St, Valley Stream 11580 | (516) 599-0919 |
| Valbrook Machine Corp 21 Railroad Ave # B, Valley Stream 11580 | (516) 825-1234 |