| Business | Phone |
| A C Climate Mechanical 6016 Nw 27th St, Oklahoma City 73127 | (405) 495-2926 |
| Donohue Mechanical Inc 138 Ne 38th St, Oklahoma City 73105 | (405) 524-0835 |
| Epco Mechanical 2618 S I 35 Service Rd # 106, Oklahoma City 73129 | (405) 670-1566 |
| Hunter Mechanical & Controls 5305 N Santa Fe Ave, Oklahoma City 73118 | (405) 525-2110 |
| Matherly Mechanical Contractor 1520 Ocama Blvd, Oklahoma City 73110 | (405) 737-3488 |
| Mechanical & Electrical Cncpts 101 Ne 52nd St, Oklahoma City 73105 | (405) 525-2940 |
| Meridian Sheet Metal Inc 2805 Purdue Dr, Oklahoma City 73128 | (405) 681-7567 |
| Wolfe Wattie Co 7601 Broadway Ext, Oklahoma City 73116 | (405) 842-3373 |
| X-Cel Mechanical 320 Nw 11th St, Oklahoma City 73103 | (405) 232-6300 |
| Weatherman Mechanical 4528 Enterprise Pl, Oklahoma City 73128 | (405) 942-2345 |
| United Mechanical Svc Inc 117 Ne 38th Ter, Oklahoma City 73105 | (405) 528-1234 |
| Trade Mechanical Contractors 136 Ne 48th St, Oklahoma City 73105 | (405) 521-1497 |
| T J Boismier Mechanical Contr 1132 N Pennsylvania Ave, Oklahoma City 73107 | (405) 525-6588 |
| Streets Inc 100 Se 25th St, Oklahoma City 73129 | (405) 632-6664 |
| Russell Plumbing Co 19 E Madison Ave, Oklahoma City 73105 | (405) 524-9822 |
| Saker Mechanical Inc 3101 E Reno Ave, Oklahoma City 73117 | (405) 672-1577 |
| Lathrop's Mechanical 1108 S Morgan Dr, Oklahoma City 73160 | (405) 793-7865 |