| Business | Phone |
| Admar Construction Inc 203 Smithfield Dr, Middletown 21769 | (301) 663-1760 |
| Foxfield At Middletown 2 Mina Dr, Middletown 21769 | (301) 371-4005 |
| Fred W Rudy Builder Contractor 7315 Coventry Dr, Middletown 21769 | (301) 371-6006 |
| Lancaster Craftsmen Builders 3120 Old National Pike, Middletown 21769 | (301) 371-9101 |
| Master Erectors 4611 Skyline Ter, Middletown 21769 | (301) 371-3591 |
| Ryan Homes Brookridge Single 208 Ivy Hill Dr, Middletown 21769 | (301) 371-4976 |
| Ryan Homes Inc 414 Stone Springs Ln, Middletown 21769 | (301) 371-8086 |
| South Mountain Builders Middletown 21769 | (301) 293-3100 |
| Stepco Builders 7104 Unakite Ct, Middletown 21769 | (301) 371-5528 |