Madison Area Bus Advocates
Madison Sand & Gravel Co., Inc.
Manitowoc County Highway Department
Marathon County Highway Department
Marinette County Highway Commission
Marquette County Highway Department
Marshfield Area Chamber of Commerce & Industry
Mathy Construction Co.
Mattison Contractors, Inc.
McCabe Construction, Inc.
Mead & Hunt, Inc.
Mega Rentals, Inc.
Meigs, LLC, Henry G.
Metro Strategies, Inc.
Metropolitan Interstate Council
Metropolitan Milwaukee Association of Commerce
Midwest Food Processors Association
Miller-Bradford & Risberg, Inc.
Milwaukee County Transit System
Milwaukee General Construction Co., Inc.
Monarch Paving Co.
Moyna & Sons, Inc., C.J.
MSA Professional Services, Inc.
Musson Brothers, Inc.
Parisi Construction Company, Inc.
Pavement Maintenance, Inc.
Payne & Dolan, Inc.
Pember Companies, Inc.
Pepin County Highway Department
Peterson Sons, Inc., James
Pheifer Brothers Construction
Pohl, Inc., J&A
Polk County Highway Department
Port of Green Bay
Port of Milwaukee
Portage County Highway Department
Price County Highway Department
Pro Electric, Inc.
Purpero, Inc., C.W.