| Business | Phone |
| Fowler James Custodian Engr 427 38th St, Brooklyn 11232 | (718) 832-8720 |
| Advanced Engineering 32 Bay 34th St, Brooklyn 11214 | (718) 372-7400 |
| Advanced Engineering 335 89th St, Brooklyn 11209 | (718) 921-4020 |
| Greemen Peterson 49 S 2nd St, Brooklyn 11211 | (718) 388-1913 |
| Haks Engineers Pc 358 Columbia St, Brooklyn 11231 | (718) 875-4115 |
| J & S Engineers Pc 152 E 88th St, Brooklyn 11236 | (718) 629-0330 |
| Jacobs Engineering Group Inc 26 Woodhull St, Brooklyn 11231 | (718) 855-4323 |
| Kristen D'Alessio Engineer 7305 Fort Hamilton Pkwy, Brooklyn 11228 | (718) 492-0521 |
| Lambert Carla Custodian Engr 763 Knickerbocker Ave, Brooklyn 11207 | (718) 418-0370 |
| Ltk Engineering Svc 335 Adams St, Brooklyn 11201 | (718) 422-9922 |
| Tri Wire Engineering Solution 800 E 92nd St, Brooklyn 11236 | (718) 257-6109 |
| Works Engineering 557 Manhattan Ave, Brooklyn 11222 | (718) 349-3460 |
| Persaud Anthony Custodian Engr 763 Knickerbocker Ave, Brooklyn 11207 | (718) 418-0370 |