| Business | Phone |
| Advance Mechanical Systems 3730 N Runway Dr, Tucson 85705 | (520) 293-2343 |
| Apcon Construction Co Inc 3731 S Chrysler Ave, Tucson 85713 | (520) 747-4934 |
| Carlson Co 921 W Ina Rd, Tucson 85704 | (520) 575-9220 |
| Wasco Inc 2112 N Dragoon St # 9, Tucson 85745 | (520) 792-3373 |
| Sun Mechanical Contracting 3951 E Columbia St, Tucson 85714 | (520) 790-3100 |
| Relee Mechanical Contracting 2019 E 17th St, Tucson 85719 | (520) 623-0355 |
| Oliver Mechanical 16646 N Columbus Blvd, Tucson 85739 | (520) 825-2874 |
| M E Norton Mechanical 3715 N Tres Lomas Pl, Tucson 85749 | (520) 749-5924 |
| Madera Mechanical 1830 W Copper St, Tucson 85745 | (520) 629-0820 |
| Jim Witt Mechanical Contr Co 3181 W Cinnamon Dr, Tucson 85741 | (520) 742-0183 |
| Jim Witt Mechanical Contr Co 8560 S Nogales Hwy, Tucson 85706 | (520) 889-7801 |