| Business | Phone |
| Adams Group 1 Nw 64th St, Oklahoma City 73116 | (405) 767-0381 |
| Airesystems & Moore 6229 Nw Grand Blvd, Oklahoma City 73118 | (405) 919-8800 |
| Alan Industries 2424 Sw 96th St, Oklahoma City 73159 | (405) 691-1002 |
| Ame Inc 300 Nw 61st St # 200, Oklahoma City 73118 | (405) 843-9788 |
| Associated Air Systems Llc 7624 Melrose Ln, Oklahoma City 73127 | (405) 495-2100 |
| Austin Sales Co 2218 Belleview Ter, Oklahoma City 73112 | (405) 858-0380 |
| Randy Bedwell 4725 Nw 59th St, Oklahoma City 73122 | (405) 943-3318 |
| Brazeal Dilbeck Hoevelman Inc 7139 Nw 3rd St, Oklahoma City 73127 | (405) 495-1421 |
| Burrus & Matthews Inc 1330 N Classen Blvd # 116, Oklahoma City 73106 | (405) 232-0011 |
| D S Manufacturing 511 S Townsend Pl, Oklahoma City 73115 | (405) 670-2282 |
| Dearing Sales Inc 4716 Nw 119th St, Oklahoma City 73162 | (405) 936-9793 |
| G E Baxter & Assoc 11032 Quail Creek Rd, Oklahoma City 73120 | (405) 755-7865 |
| Gba Enterprises Inc 3432 S Lakeside Dr, Oklahoma City 73179 | (405) 680-5300 |
| Holt & Wilhoit 908 Se 29th St, Oklahoma City 73129 | (405) 677-5052 |
| Mechanical Representatives Inc 1000 W Wilshire Blvd, Oklahoma City 73116 | (405) 810-8071 |
| Natco Group Inc 4900 Richmond Sq, Oklahoma City 73118 | (405) 848-8855 |
| P & C Inc 8180 Bourbon St, Oklahoma City 73128 | (405) 789-3014 |
| W B Hickman Inc 8917 Lakehurst Dr, Oklahoma City 73120 | (405) 842-2811 |
| Triangle Sales Agency Inc 8515 Glade Ave, Oklahoma City 73132 | (405) 722-9644 |