| Business | Phone |
| Dentocide Chemical Co 3437 S Hanover St, Baltimore 21225 | (410) 355-3660 |
| Insl-X Products Corp 601 S Haven St, Baltimore 21224 | (410) 342-3636 |
| Armory 1101 Greenwood Rd, Baltimore 21208 | (410) 602-8000 |
| Sherwin-Williams Paints 2325 Hollins Ferry Rd, Baltimore 21230 | (410) 625-8257 |