The Metropolitan Builders Association (MBA) is a not-for-profit trade association representing 950 companies involved in the construction, development, and remodeling of single and multifamily housing and light commercial property in Waukesha, Washington, Ozaukee, Jefferson, and Milwaukee Counties. Collectively, our members employ tens of thousands of workers in the metro-Milwaukee area and do over $800 million worth of business each year. With such a large number of high-paying jobs, the housing industry is a crucial element to the area's continued economic health.