| Business | Phone |
| Hawkeye Insulation Spec Inc 606 Rockhurst Dr Sw, Cedar Rapids 52404 | (319) 390-3710 |
| Industrial Coml Insulation 1350 Waconia Ave Sw, Cedar Rapids 52404 | (319) 362-1148 |
| Ron Weber Urethane Insulation 3412 1st Ave Ne, Cedar Rapids 52402 | (319) 395-7856 |
| Salow Mechanical Insulation 123 Elizabeth St Sw, Cedar Rapids 52404 | (563) 923-4485 |
| Gagnon Inc 2525 18th St Sw 3, Cedar Rapids 52404 | (319) 398-0344 |