| ACS Industries, Inc. |
| AGGCORP |
| Aggregate Systems |
| American Bin & Conveyor |
| ASGCO |
| Austin Powder Company |
| Benetech |
| Benshaw |
| Binkelman |
| Bob Sumerel Tire |
| Bowser-Morner, Inc. |
| BOXX Modular |
| Brechbuhler Scales, Inc. |
| Buffalo Wire Works |
| CDE Global |
| Chicago Chain |
| Columbus Equipment |
| Commercial Credit Group |
| Conn-Weld Industries, LLC |
| Conviber |
| Co-Op Industries, Inc. |
| Custom Dredge Works, Inc. |
| Deister |
| Derrick Corp |
| Dodge Industrial |
| DSC Dredge |
| Dynegy |
| Eagle Crusher |
| ECCO FAB |
| Elmco Industrial Services |
| ErieTec, Divisin of Purvis Industries |
| Gilson Company, Inc. |
| Groeneveld-Beka, Lubrication Systems by Timken |
| Haladjian Mineral Solutions |
| Imperial Conveying Systems |
| ISCO |
| Kalenborn Albresist Corp |
| Kemper |
| Keystone Cooperative |
| Keystone Drilling |
| LJ, Inc |
| Luff, Industries |
| Major Wire |
| Maverick Environmental Equipment LLC |
| The McLean Co. |
| MECO |
| Mellott |
| Midwest Mine Services |
| Midwestern Industries, Inc. |
| Mine Resource Group |
| Mining Sentry |
| Motion |
| MSHA Safety Services |
| Murphy Tractor & Equipment Co. |
| Nationwide Belting |
| Neptune Process |
| Ohio CAT |
| Ohio Crushing & Screening |
| Ohio Geological Survey |
| Pearce Pump Supply |
| Pit & Quarry |
| Polydeck |
| Process Machinery, Inc. |
| Q4 Impact Group |
| Quick Supply |
| RECO |
| Redliner Associates |
| RESPEC |
| Richwood |
| Rock Machinery |
| Rudd Equipment |
| Salem Republic Rubber Co. |
| Schurco Slurry |
| Southeastern Equipment Co. |
| Sparta Steel & Equipment Corp |
| Stedman Machine Co. |
| Stone Products |
| Superior Industries |
| Supreme Manufacturing Inc. |
| Synterra Corp |
| TEMA |
| Thaman Rubber |
| Townley Engineering & Manufacturing |
| Triple S Tire |
| Unified Screening & Crushing |
| United Dredging |
| Viacore |
| Vibra Tech |
| WAMPUM Hardware Co. |
| WEG Electric Corp. |
| Xylem |
