| Business | Phone |
| Onyx Industrial 5111 North Point Blvd, Baltimore 21219 | (410) 388-2703 |
| Engineered Piping Products Inc 6317 Arundel Cove Ave, Baltimore 21226 | (410) 355-8250 |
| Industrial Sales Co 1200 W Hamburg St, Baltimore 21230 | (410) 468-0506 |
| Industrial Training Institute 1301 Warner St, Baltimore 21230 | (410) 685-7199 |
| J Koch Assoc Inc 1224 Tennant Way, Baltimore 21224 | (410) 539-2424 |
| L A Benson Co 3707 E Monument St, Baltimore 21205 | (410) 342-9225 |
| Msc Industrial Supply Co 3051 Washington Blvd # A, Baltimore 21230 | (410) 644-1313 |
| Power Transmission Systems Inc 942 W Patapsco Ave, Baltimore 21230 | (410) 354-0010 |
| Transply Inc 1001 N Rose St, Baltimore 21205 | (410) 636-1083 |
| Cvl Technical Sales Inc 9600 Pulaski Park Dr # 113, Baltimore 21220 | (410) 686-0123 |
| D Schwartz & Sons Inc 8113 Anita Rd, Baltimore 21208 | (410) 415-5191 |
| Grainger Inc 8820 Citation Rd, Baltimore 21221 | (410) 391-9000 |
| Industrial Controlled Energy 9002 Harford Rd, Baltimore 21234 | (410) 661-4154 |
| Jtj Assoc 621 Kittendale Cir, Baltimore 21220 | (410) 344-0935 |