| Business | Phone |
| Melroy Plumbing Htg & Air Cond 6537 Baltimore National Pike, Catonsville 21228 | (410) 747-0900 |
| Pipe Rite Plumbing & Heating 405 Lafayette Ave, Catonsville 21228 | (410) 788-3080 |
| Roto-Rooter Plumbing & Drain Catonsville 21228 | (410) 747-2903 |
| A Friendly Cobra Co Catonsville 21228 | (410) 747-7764 |
| Around Town Plumbing Inc 212 Suter Rd, Catonsville 21228 | (410) 744-8740 |
| Catonsville Plumbing Ac 14 Bloomsbury Ave, Catonsville 21228 | (410) 747-0600 |
| Catonsville Plumbing Contr 14 Bloomsbury Ave, Catonsville 21228 | (410) 747-1017 |
| Catonsville Plumbing Heating 14 Bloomsbury Ave, Catonsville 21228 | (410) 747-1016 |
| Catonsville Professional Svc 112 Wyndcrest Ave, Catonsville 21228 | (410) 719-0734 |
| Catonsville Professional Svc 822 Frederick Rd, Catonsville 21228 | (410) 719-0734 |
| Daley Plumbing & Heating 1911 Lismore Ln, Catonsville 21228 | (410) 744-1499 |
| Dlc Plumbing 7 N Beaumont Ave, Catonsville 21228 | (410) 719-7070 |
| Drain Masters Sewer Svc 917 Marksworth Rd, Catonsville 21228 | (410) 298-7706 |
| Wayne Garrity Catonsville 21228 | (410) 788-3194 |
| James P Kruger & Assoc Catonsville 21228 | (410) 744-7716 |
| Standard Plumbing 6101 Collinsway Rd, Catonsville 21228 | (410) 719-1600 |
| T M Moylan Plumbing & Heating 805 Frederick Rd, Catonsville 21228 | (410) 788-8466 |
| S Davis Services 6923 Pinecrest Rd, Catonsville 21228 | (443) 244-9397 |