| Business | Phone |
| Eres Consultants Inc 9030 Red Branch Rd # 210, Columbia 21045 | (410) 997-6181 |
| Race Co Engineering 9123 State Route 108 # 103w, Columbia 21045 | (410) 730-7223 |
| Sears Logistics Svc 8901 Snowden River Pkwy, Columbia 21046 | (410) 872-8240 |
| Trans Associates Systems 5554 Eaglebeak Row, Columbia 21045 | (410) 997-4119 |