| Business | Phone |
| Custom Metal Products Inc 8291 Patuxent Range Rd, Jessup 20794 | (301) 498-6500 |
| Hohmann & Barnard Inc 8251 Preston Ct, Jessup 20794 | (301) 317-0090 |
| Metal Fab Mfg Llc 7450 Montevideo Rd, Jessup 20794 | (410) 799-2025 |
| Products Support Inc 8331 Bristol Ct, Jessup 20794 | (410) 792-4754 |