| Business | Phone |
| Arrow Electronics Inc 9800 Patuxent Woods Dr # J, Columbia 21046 | (410) 309-0686 |
| Hagemeyer 8916 Mcgaw Ct, Columbia 21045 | (410) 995-6266 |
| Jaco Electronics Inc 10260 Old Columbia Rd # I, Columbia 21046 | (410) 995-6620 |
| Nu Horizons Electronics Corp 8965 Guilford Rd # 100, Columbia 21046 | (410) 995-6330 |
| Peerless Electronics 6716 Alexander Bell Dr # 120, Columbia 21046 | (410) 997-1717 |
| Rexel 9520 Gerwig Ln # A, Columbia 21046 | (410) 381-0557 |
| Texas Instruments Inc 9861 Brokenland Pkwy, Columbia 21046 | (410) 964-6519 |