| Business | Phone |
| Medcon 1002 Frederick Rd, Catonsville 21228 | (410) 744-8367 |
| Siegel Rutherford Bradstock 757 Frederick Rd # 300, Catonsville 21228 | (410) 869-7282 |
| Dibec 601 Wallerson Rd, Catonsville 21228 | (410) 744-6053 |
| Greeley-Polhemus Group Catonsville 21228 | (410) 744-7390 |
| T A Engineering Inc 405 Frederick Rd # 252, Catonsville 21228 | (410) 747-9606 |