"Promoting construction excellence through constant attention to the details" Home About Us Achievements Projects Services Design Build Contact Caisson Construction Lift Stations Water Plants Wastewater Plants Municipal Builders, Inc. Welcome to the Municipal Builders, Inc. Website (MBI). We are a general contractor located in Andover, Minnesota. We have been in business since 1993 and nearly all of our work is within a 100 mile radius of our office. Municipal Builders specializes in the construction of municipal water plants, wastewater treatment plants, and pumping stations. MBI is a proud member of the Associated Builders and Contractors of Minnesota Home| About Us | Design Build| Contact Achievements | Caisson| Projects | Services | Site Map Copyright © 2008 Municipal Builders, Inc. All Rights Reserved.