| Company Name | City | State |
| Allied Blacktop Corporation | Eau Claire | WI |
| American Asphalt of Wisconsin | Mosinee | WI |
| Amon, B. R. & Sons, Inc. | Elkhorn | WI |
| Antigo Construction Inc | Antigo | WI |
| Aon Risk Services | Green Bay | WI |
| Aring Equipment Company | Butler | WI |
| Asphalt Reheat Systems | Madison | WI |
| Asphalt Technologies Group | Portage | WI |
| Baumhardt, J & J Trucking Inc. | Eden | WI |
| Becher-Hoppe Associates Inc | Wausau | WI |
| Benchmark, Inc. (Pavement Consulting Division) | Elm Grove | WI |
| Bergman Companies Inc | Eau Claire | WI |
| Bonestroo | Mequon | WI |
| BP Global Bitumen | Aurora | IL |
| Century Fence Company | Waukesha | WI |
| CGC, Inc | Madison | WI |
| Chicago Testing Laboratory Inc | Thornton | IL |
| Cicchini Asphalt Paving Inc | Kenosha | WI |
| Dillman Equipment, Inc. | Prairie du Chien | WI |
| Earth Tech, Inc. | Madison | WI |
| Environmental Technology and Engineering | Elm Grove | WI |
| Fabco Equipment Company | Milwaukee | WI |
| Fahrner Asphalt Sealers, LLC | Plover | WI |
| Flint Hills Resources | Stevens Point | WI |
| Frank Brothers Inc. | Janesville | WI |
| Gasser, D.L. Construction Company | Baraboo | WI |
| Gencor Industries | Plainfield | IL |
| Graef, Anhalt & Schloemer Associates, Inc. | Milwaukee | WI |
| Heatec, Inc | Chattanooga | TN |
| HTIF | Cameron | WI |
| Ingersoll-Rand Equipment Company | Milwaukee | WI |
| Inspec, Inc | Milwaukee | WI |
| Iverson Construction | Kieler | WI |
| Jacobus Environmental Services, Inc | Madison | WI |
| James Peterson Sons, Inc. | Medford | WI |
| Kraemer Company, The | Plain | WI |
| Lafarge North America | Brookfield | WI |
| Mathy Construction Co. | Onalaska | WI |
| Mead & Hunt, Inc | Madison | WI |
| Meigs Trucking, Inc | Portage | WI |
| Meigs, Henry G., LLC | Portage | WI |
| Midwest Engineering Services, Inc. | Waukesha | WI |
| Milestone Materials | Onalaska | WI |
| Miller, Bradford & Risberg | Sussex | WI |
| Miller, R. W. & Sons, Inc. | Lake Geneva | WI |
| Monarch Paving Company | Amery | WI |
| Motion Engineering, Inc. | West Bend | WI |
| MSA Professional Services, Inc | Baraboo | WI |
| Munson, Inc. | Glendale | WI |
| Murphy Construction Co. | Appleton | WI |
| Murphy Oil USA, Inc | Superior | WI |
| Northeast Asphalt, Inc | Greenville | WI |
| Northwood's Paving | Ashland | WI |
| OMNNI Associates, Inc | Appleton | WI |
| OSI Environmental | Butler | WI |
| Payne and Dolan, Inc | Waukesha | WI |
| Pitlik & Wick, Inc | Eagle River | WI |
| River Valley Testing Corp. | Neenah | WI |
| Roadtec Inc. | Waukesha | WI |
| Rock Road Companies Inc. | Janesville | WI |
| Roland Machinery Inc. | Green Bay | WI |
| RS Used Oil Services, Inc | Spring Grove | IL |
| Schuh Transport, Inc. | Kaukauna | WI |
| Scott Construction | Lake Delton | WI |
| Seneca Petroleum Company, Inc | Crestwood | IL |
| Senn Blacktop, Inc | Chippewa Falls | WI |
| Sherwin Industries, Inc | Milwaukee | WI |
| Terra Services Inc. | Lakeland | MN |
| Three Rivers Construction, Inc. | Lakeland | MN |
| Tower Asphalt, Inc. | Lakeland | MN |
| Tri County Paving Inc. | DeForest | WI |
| Troxler Electronic Labs | Downers Grove | IL |
| Virchow, Krause & Co, LLP | Janesville | WI |
| Vulcan Materials Co | Franklin | WI |
| W.K. Construction, Inc | Middleton | WI |
| WEM Automation/Wisconsin Electrical Manufacturing Co. | New Berlin | WI |
| Wisconsin Concrete Pipe Association | Montello | WI |
| Yahara Materials, Inc. | Waunakee | WI |