| Business | Phone |
| Cardinale Construction 419 Oella Ave, Catonsville 21228 | (410) 461-4834 |
| Free State Construction Catonsville 21228 | (410) 788-3816 |
| Geary Construction Co 10 Winters Ln # C, Catonsville 21228 | (410) 744-2026 |
| Tri-State Construction Inc 116 Stonewall Rd, Catonsville 21228 | (410) 788-2683 |