| Business | Phone |
| A R Bryant Construction 5227 Bartonsville Rd, Frederick 21704 | (301) 831-7050 |
| A T & B Construction Frederick 21701 | (301) 631-5371 |
| Advanced Development Svc 930 N East St, Frederick 21701 | (301) 846-7800 |
| Alleghany Construction Inc Frederick 21701 | (301) 662-3126 |
| Amusement Construction Corp 506 Lancaster Pl, Frederick 21703 | (301) 620-0919 |
| Ausherman Construction Inc 2501 Coleridge Dr, Frederick 21702 | (301) 663-0671 |
| Bruchey Builders Inc 7104 Kehne Rd, Frederick 21702 | (301) 473-4400 |
| Canyon Construction Corp 5712 Industry Ln # F, Frederick 21704 | (301) 694-6686 |
| Cecil Construction 4924 Valley Pine Dr, Frederick 21703 | (301) 473-4650 |
| Douglas Chappell 333 W Patrick St, Frederick 21701 | (301) 662-5424 |
| Chs Inc 5390 Agro Dr, Frederick 21703 | (301) 874-3192 |
| Citadel Construction 108 Byte Dr, Frederick 21702 | (301) 663-3258 |
| Covell's Construction 8015 Clearfield Rd, Frederick 21702 | (301) 662-4662 |
| Crestwood Village New Design Rd, Frederick 21703 | (301) 694-9808 |
| Curtis L Myers Construction Co 8101 Sundown Ln, Frederick 21702 | (301) 698-1855 |
| D L Kimmel Contracting Inc Frederick 21701 | (301) 695-9317 |
| Dream Contractors Inc 7908 Reichs Ford Rd # B, Frederick 21704 | (301) 662-3040 |
| Drees Co 2510 Carrington Way, Frederick 21702 | (301) 663-8732 |
| Elam Contracting Frederick 21701 | (301) 663-8181 |
| Fike Construction Co Inc Frederick 21701 | (301) 695-8172 |
| Frailey Construction 5647 Stone Rd, Frederick 21703 | (301) 473-4361 |
| Fredericktowne Construction Frederick 21701 | (301) 696-8808 |
| Greber Corp 2400 Lakeside Dr, Frederick 21702 | (301) 694-7727 |
| Hardy Construction Svc 4580 Mack Ave # G, Frederick 21703 | (301) 695-6699 |
| Hartland Building Co 9019 Baltimore Rd, Frederick 21704 | (301) 624-5572 |
| Hemby Builders Inc Frederick 21701 | (301) 695-6932 |
| Hmf Paving Contractors 1565 Tilco Dr, Frederick 21704 | (301) 428-0050 |
| Howes Construction Group 6430 Dresden Pl, Frederick 21701 | (301) 831-3968 |
| Inervess Builders Inc Frederick 21701 | (301) 696-1161 |
| Innovative Spaces Inc 900 Jubal Way, Frederick 21701 | (301) 662-8181 |
| J E Ledford & Sons Inc 10738 Old Annapolis Rd, Frederick 21701 | (301) 898-3844 |
| J-Sling Inc 4304 Calvert Cir, Frederick 21703 | (301) 620-2356 |
| Jcs Communications 244 W Patrick St, Frederick 21701 | (301) 624-1584 |
| Kenwood Construction Inc 5716 Industry Ln # H, Frederick 21704 | (240) 379-6533 |
| Korrell Construction 843 Dunbrooke Ct, Frederick 21701 | (301) 694-8058 |
| Lambert Construction 8224 Devilbiss Bridge Rd # B, Frederick 21701 | (301) 898-0343 |
| M L Shores Construction 10804 Bethel Rd, Frederick 21702 | (301) 898-5073 |
| M V Pelletier Custom Building 1719 Castle Rock Rd, Frederick 21701 | (301) 620-0715 |
| Magnum Construction Inc 417 S Jefferson St, Frederick 21701 | (301) 360-0608 |
| Malone Construction 978 Jubal Way, Frederick 21701 | (301) 631-5592 |
| Marona Construction 4549 Metropolitan Ct, Frederick 21704 | (301) 874-6950 |
| Monocacy Construction 414 Pine Ave, Frederick 21701 | (301) 631-9020 |
| Morgan-Keller Inc 70 Thomas Johnson Dr # 200, Frederick 21702 | (301) 663-0626 |
| Neeko Construction Inc 16 W South St, Frederick 21701 | (301) 846-9400 |
| Oak Contracting Corp 8414 Opossumtown Pike, Frederick 21702 | (301) 668-0100 |
| Obrecht & Assoc Inc 7340 Executive Way, Frederick 21704 | (301) 663-0402 |
| Pei Construction Co 5712 Industry Ln, Frederick 21704 | (301) 696-1296 |
| Kenneth M Poling 4882 Blue Spruce Ln, Frederick 21703 | (301) 371-7541 |
| Prime Builders Inc Frederick 21701 | (301) 668-4290 |
| Prodigious Inc Frederick 21701 | (301) 620-8828 |
| R E Willard Plumbing Shop 4965 Winchester Blvd, Frederick 21703 | (301) 831-8724 |
| R F Toft Construction 170 Thomas Johnson Dr # 202l, Frederick 21702 | (301) 662-1399 |
| R W Swanson Inc 5429 Etzler Rd, Frederick 21702 | (301) 694-6343 |
| Reliant Dry Wall Inc 7311 Grove Rd # A, Frederick 21704 | (301) 624-0033 |
| Rlc Assoc 5744 Industry Ln, Frederick 21704 | (301) 846-9733 |
| Robert A Aird Inc 5711 Industry Ln # 29a, Frederick 21704 | (301) 695-4966 |
| Smith Home Improvements 5602 Old National Pike, Frederick 21702 | (301) 371-3900 |
| Staley's Construction Inc 4906 Valley Pine Dr, Frederick 21703 | (301) 473-5695 |
| Summers Construction Inc 620 Lee Pl, Frederick 21702 | (301) 695-1548 |
| Summit Interior Construction 5431 Yukon Ct, Frederick 21703 | (301) 698-0313 |
| T W Evans Construction 8587 Indian Springs Rd # A, Frederick 21702 | (301) 698-5544 |
| Talon Construction Inc 302 E 4th St, Frederick 21701 | (301) 620-8604 |
| Tip Punch Out 5422 Old National Pike, Frederick 21702 | (301) 748-0980 |
| Tregoning Construction 7620 Ridge Rd, Frederick 21702 | (301) 473-7980 |
| Tri Con Usa Inc 1192 Schaffer Dr, Frederick 21702 | (301) 668-4868 |
| Universal Builders Inc 10221 Allview Dr, Frederick 21701 | (301) 898-7104 |
| Venture Construction 7389 Guilford Dr, Frederick 21704 | (301) 360-9776 |
| Warner Construction 5 N Market St # 4, Frederick 21701 | (301) 696-0525 |
| Waynesboro Construction Co 7360 Guilford Dr # 201, Frederick 21704 | (301) 293-6237 |
| Whiting-Turner Contracting Co 630 Solarex Ct, Frederick 21703 | (301) 668-8204 |
| Wilson Construction Frederick 21701 | (301) 663-0379 |
| Woodwind Construction Frederick 21701 | (301) 662-6643 |
| Yarnell P Wastler & Sons Inc 1561 Tilco Dr, Frederick 21704 | (301) 663-0511 |