| Business | Phone |
| Heartland Security Svc Inc 6809 Arbor Ln Ne, Cedar Rapids 52402 | (319) 393-2855 |
| Security Coverage 222 3rd Ave Se, Cedar Rapids 52401 | (319) 366-3786 |
| Two Star Detective Agency Inc 76 16th Ave Sw, Cedar Rapids 52404 | (319) 364-0001 |
| Wackenhut Corp 118 3rd Ave Se 206, Cedar Rapids 52401 | (319) 364-6605 |
| Central Security & Invstgtn 465 Northland Ave Ne 102, Cedar Rapids 52402 | (319) 373-2488 |
| Conley Security Agency 1073 Rockford Rd Sw # J, Cedar Rapids 52404 | (319) 398-3388 |
| Globe 2121 Wright Brothers Blvd W, Cedar Rapids 52404 | (319) 369-9921 |
| Per Mar Security Svc 510 1st St Sw, Cedar Rapids 52404 | (319) 365-4800 |
| Pinkerton/Burns Securitas Co 315 3rd Ave Se # 201, Cedar Rapids 52401 | (319) 366-4585 |
| Premier Security 708 J Ave Ne 206, Cedar Rapids 52402 | (319) 364-3040 |