| Business | Phone |
| Railworks Comstock 3961 10th Ave, New York 10034 | (212) 569-1420 |
| Railworks Comstock Subway 155 Street D Station, New York 10001 | (212) 283-7181 |
| Railworks Corp 5 Penn Plz # 17, New York 10001 | (212) 502-7900 |
| Railworks Transit 2 Broadway, New York 10004 | (212) 785-4861 |