| Business Name | Phone | Address | zip code |
| Contractor Support Services | (410)208-0874 | 29 Royal Oaks Drive | 21811 |
| Royal Plus | (410)213-0354 | 9939 Jerry Mack Road Suite 100 | 21811 |
| A Step Above | (410)629-0988 | 113 North Main Street | 21811 |
| The Home Depot | (410)629-1465 | 11408 Ocean Gtwy | 21811 |
| Northeastern Supply | (410)629-1772 | 11046 Grays Corner Road | 21811 |
| Chesapeake Plumbing & Heating | (410)632-4570 | 8738 Ninepin Branch Rd | 21811 |
| Penninsula Septic & Irrigation Inc | (410)641-1617 | 10665 Worcester Hwy | 21811 |
| Pe Poole & Co - Residential | (410)641-1800 | 10550 Friendship Rd | 21811 |
| Chesapeake Plumbing | (410)641-3639 | 16 North Main St | 21811 |
| Contractor Support Services | (410)208-0874 | 29 Royal Oaks Drive | 21811 |
| Royal Plus | (410)213-0354 | 9939 Jerry Mack Road Suite 100 | 21811 |
| A Step Above | (410)629-0988 | 113 North Main Street | 21811 |
| The Home Depot | (410)629-1465 | 11408 Ocean Gtwy | 21811 |
| Northeastern Supply | (410)629-1772 | 11046 Grays Corner Road | 21811 |
| Chesapeake Plumbing & Heating | (410)632-4570 | 8738 Ninepin Branch Rd | 21811 |
| Penninsula Septic & Irrigation Inc | (410)641-1617 | 10665 Worcester Hwy | 21811 |
| Pe Poole & Co - Residential | (410)641-1800 | 10550 Friendship Rd | 21811 |
| Chesapeake Plumbing | (410)641-3639 | 16 North Main St | 21811 |
You can also check out Plumbers in Berlin