| Business | Phone |
| Maryland Port Contractors Inc 40 S Dundalk Ave, Dundalk 21222 | (410) 282-7190 |
| Mtk Enterprises Inc 1711 Poplar Pl # R, Dundalk 21222 | (410) 687-9077 |
| R A Spooner General Contr 7839 Deboy Ave, Dundalk 21222 | (410) 477-2817 |
| 3 N Co Inc 1805 Snyder Ave, Dundalk 21222 | (410) 288-9488 |
| Carder Construction 2904 Dunleer Rd, Dundalk 21222 | (410) 282-9544 |
| E & E Contracting Llc 7102 German Hill Rd, Dundalk 21222 | (410) 288-0888 |
| Dick Erat 6800 Holabird Ave, Dundalk 21222 | (410) 288-6446 |
| Intercoastal Land & Mrne Dev 8101 Shore Rd, Dundalk 21222 | (410) 282-1693 |
| J K Contracting 7819 Wise Ave # 3, Dundalk 21222 | (410) 288-3904 |
| Tiemann Construction 2001 Grays Rd, Dundalk 21222 | (410) 477-5308 |