| Business | Phone |
| American Sheet Metal Inc 3 South Carolina Ave, Pasadena 21122 | (410) 437-4712 |
| Ces Group 199 Diana Dr, Pasadena 21122 | (410) 360-8418 |
| Ces Group Inc 2508 Mountain Rd # C, Pasadena 21122 | (410) 721-8077 |
| Climate Managers 3236 1/2 Mountain Rd, Pasadena 21122 | (410) 255-2272 |
| Universal Refrigeration Air 8176 Ritchie Hwy, Pasadena 21122 | (410) 544-7334 |