| Business | Phone |
| Air Conditioning Utilities Inc 2450 Saint Marys Ave, Omaha 68105 | (402) 346-2900 |
| Asha Distributing Inc 1201 Nicholas St, Omaha 68102 | (402) 341-8511 |
| Asha Distributing Inc 13718 C St, Omaha 68144 | (402) 334-0588 |
| Johnson Controls Inc 8445 Madison St, Omaha 68127 | (402) 593-0632 |
| Trane Company 5720 S 77th St, Omaha 68127 | (402) 331-7111 |
| Sundberg Co 14647 Industrial Rd, Omaha 68144 | (402) 334-1555 |
| Omaha Winair Inc 13505 L St, Omaha 68137 | (402) 895-0800 |
| Nebraska Air Filter Inc 4221 S 90th St, Omaha 68127 | (402) 344-3800 |
| Gustave A Larson Co 14747 Artesia Blvd # 5m, Omaha 90638 | (714) 670-0606 |