| Knowles Enterprises | 1246064 | 143 | 160 | InterstateHazmat |
| Northwest Crane Service LLC | 999029 | 88 | 85 | Interstate |
| Edge Services INC | 1764500 | 72 | 20 | Interstate |
| Mike's Trucking Company | 675240 | 61 | 56 | InterstateHazmat |
| Durango Services INC | 781659 | 40 | 35 | Interstate |
| Northwestern Electric Cooperative INC | 775220 | 37 | 66 | Intrastate |
| Westoak Production Services INC | 952013 | 28 | 30 | Interstate |
| Maverick Services LLC | 2424397 | 28 | 13 | Interstate |
| Foamtech Incorporated | 1192448 | 25 | 17 | InterstateHazmat |
| K & F Environmental Solutions LLC | 4285457 | 23 | 14 | Intrastate |
| Boomtest LLC | 1826597 | 22 | 10 | Interstate |
| Harper Sanitation Service INC | 766820 | 20 | 17 | Intrastate |
| Poly Pipe INC | 1642976 | 18 | 11 | Interstate |
| Journey Oilfiled Equipment LLC | 1806600 | 17 | 11 | Interstate |
| Kline Materials INC | 505524 | 14 | 8 | Intrastate |
| Kevin Hunter Trucking | 2030729 | 13 | 7 | Interstate |
| White's Welding LLC | 3797603 | 13 | 10 | Interstate |
| Diamond Services Company | 246687 | 12 | 16 | Interstate |
| Hot Oil Units INC | 387946 | 12 | 6 | InterstateHazmat |
| Big A Drilling | 1345156 | 12 | 12 | Intrastate |
| Mud Hogs LLC | 2422943 | 12 | 9 | Intrastate |
| Crosstimber Construction Service LLC | 2797381 | 12 | 31 | InterstateHazmat |
| Wildcat Drilling Services INC | 1112867 | 11 | 5 | Interstate |
| J&r Transport INC | 915031 | 10 | 15 | InterstateHazmat |
| Pride Transportation LLC | 943197 | 10 | 4 | Interstate |
| Comfort Zone Of Woodward INC | 1231384 | 10 | 7 | Intrastate |
| Patriot Nitrogen LLC | 4167356 | 10 | 4 | InterstateHazmat |
| Woodward Laverne Concrete | 382428 | 9 | 7 | Intrastate |
| White's Equipment Rental LLC | 3159583 | 9 | 5 | Interstate |
| Woodward Steel Company | 1604330 | 8 | 3 | Interstate |
| Triangle Services LLC | 2637086 | 8 | 8 | Intrastate |
| Tw Trucking | 4225559 | 8 | 20 | Intrastate |
| Taylor Valve Service Holdings LLC | 4391533 | 8 | 10 | Interstate |
| Elite Casing Services | 2900980 | 7 | 7 | InterstateHazmat |
| Okie Energy Services LLC | 4198500 | 7 | 8 | InterstateHazmat |
| Case Wireline Services Incorporated | 1163213 | 6 | 8 | InterstateHazmat |
| Precision Pipeline Services LLC | 1607795 | 6 | 4 | Interstate |
| Justin Allison Trucking | 1876517 | 6 | 6 | Interstate |
| Toro Services LLC | 2047891 | 6 | 3 | Interstate |
| C & L Rentals LLC | 2289242 | 6 | 5 | Interstate |
| Gores Gotta Go Portable Restrooms LLC | 2350080 | 6 | 3 | Interstate |
| Ruiz Farm Service LLC | 8382125 | 6 | 3 | Interstate |
| Tri-State Truss & Lumber LLC | 573808 | 5 | 2 | Interstate |
| Morgan Trucking LLC | 895295 | 5 | 4 | Interstate |
| Paul Thompson Services LLC | 1761293 | 5 | 1 | Intrastate |
| Arrowhead Oilfield Services INC | 2526826 | 5 | 4 | Interstate |
| Roach Body Shop & Wrecker Service INC | 3394882 | 5 | 3 | IntrastateHazmat |
| Dkny Enterprises LLC | 4515425 | 5 | 5 | InterstateHazmat |
| Mid America Painters INC | 1128169 | 4 | 1 | Interstate |
| Thi Wirerope LLC | 1476157 | 4 | 3 | Interstate |
| Moyer Services LLC | 1784605 | 4 | 4 | Intrastate |
| Rock Solid Waste Management LLC | 2296662 | 4 | 4 | Intrastate |
| Gartrell Dirt & Demolition | 2917461 | 4 | 3 | Intrastate |
| Pride Constructors LLC | 2951166 | 4 | 4 | Intrastate |
| Mbt Directional Drilling LLC | 3037464 | 4 | 1 | Intrastate |
| Hell Bound Transport | 3357817 | 4 | 2 | Interstate |
| Jacobs Excavation Services LLC | 4564888 | 4 | 4 | Intrastate |
| Pierce Brothers Trucking CO INC | 514456 | 3 | 1 | Interstate |
| Westoak Directional Drilling INC | 816759 | 3 | 4 | Interstate |
| Northwest Golf Cars | 1213690 | 3 | 1 | Intrastate |
| Simmons Machine Works INC | 1336631 | 3 | 7 | Interstate |
| Sage Water Well Drilling-Freeman Windmill Repair | 1529187 | 3 | 1 | Intrastate |
| Yauk Trucking LLC | 1649656 | 3 | 3 | Interstate |
| Jason J Hardy | 1695766 | 3 | 1 | Intrastate |
| Bearclaw Services | 2306079 | 3 | 3 | Interstate |
| Xtreme Trucking LLC | 2567967 | 3 | 3 | Interstate |
| 3 Resources INC | 2789587 | 3 | 2 | Interstate |
| Ruiz Farm Service | 3621838 | 3 | 3 | Interstate |
| Woodward Church Of The Nazarene | 4332297 | 3 | 4 | Interstate |
| Manco Wireline Services LLC | 4414770 | 3 | 2 | Intrastate |
| Western Oilfield Service LLC | 4433273 | 3 | 3 | InterstateHazmat |
| Williams Bill Oil CO | 225858 | 2 | 2 | InterstateHazmat |
| Woodward Hull INC | 351338 | 2 | 3 | Interstate |
| Danny Salisbury | 481167 | 2 | 1 | Interstate |
| High Gear Repair INC | 508678 | 2 | 3 | Intrastate |
| Leo Hale's Trucking LLC | 542698 | 2 | 2 | Interstate |
| Energy Oilfield Services INC | 564292 | 2 | 2 | Intrastate |
| First Baptist Church | 599504 | 2 | 5 | Interstate |
| C&j Smith Trucking LLC | 672698 | 2 | 2 | Intrastate |
| Dan's Backhoe & Dozer Service | 728141 | 2 | 1 | Intrastate |
| Garcia Trucking | 738209 | 2 | 2 | Intrastate |
| Altamirano Trucking | 745820 | 2 | 1 | Intrastate |
| Winner Homes INC | 861324 | 2 | 2 | Intrastate |
| Bold Services INC | 933629 | 2 | 4 | Intrastate |
| Karn's Construction LLC | 1051014 | 2 | 2 | Intrastate |
| Northwestern Energy INC | 1052949 | 2 | 3 | Intrastate |
| Woodward Spool & Slingline LLC | 1302744 | 2 | 2 | Intrastate |
| J & J Air Drilling LLC | 1309184 | 2 | 3 | Intrastate |
| B & R Construction Of Woodward INC | 1365808 | 2 | 2 | Intrastate |
| Rig Chasers LLC | 1426524 | 2 | 2 | Interstate |
| Kline Mech INC | 1559701 | 2 | 2 | Intrastate |
| Rocking Nine Ranch | 1574148 | 2 | 2 | Intrastate |
| Sargent & Lillard Casing Pulling INC | 1852721 | 2 | 1 | Interstate |
| Toellner Farms | 1955619 | 2 | 3 | Intrastate |
| Mickie D Charmasson | 2053269 | 2 | 1 | InterstateHazmat |
| Aunt Shirley's Playhouse INC | 2072091 | 2 | 3 | Intrastate |
| Gerald Jones | 2203828 | 2 | 4 | Intrastate |
| Jm Welding INC | 2322380 | 2 | 1 | Interstate |
| Road Hog Services LLC | 2342365 | 2 | 4 | Intrastate |
| Northwest Drilling Services LLC | 2347128 | 2 | 2 | Interstate |