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About Us
Master Builders of Iowa is the recognized leader of the construction industry in the state of Iowa. Founded in 1912, MBI is one of 89 chapters of the Associated General Contractors of America, the most influential and widely respected construction association in the country. MBI’s members perform the majority of the state’s commercial, industrial, and public works building projects. The association provides its members with a comprehensive array of educational, safety, environmental, labor, legal, professional development, and legislative services.
Companies that are considered MBI’s Essential Partners have contributed over $5,000 in sponsorships to Master Builders of Iowa in the past year. These companies are an important part of our success and we couldn’t do it without them!
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UPCOMING EVENTS
11/05/26
Construction Rodeo - Competent Person Trenching & Excavation
Participants of this 8-hour course will come out with a competent person level knowledge to monitor and perform daily inspections of trenching, shoring and excavation activities.
11/05/26
MBI SportIng Clay Builders' Classic | Central IA
MBI hosts two Sporting Clay shoots every year in an effort to bring together industry colleagues for a day of construction camaraderie while demonstrating your skills with a shotgun.
11/06/26
Construction Rodeo - Competent Person Scaffold Erector & Inspector
The 8-hour scaffold competent person course provides detailed instruction in scaffold hazard recognition and common safety issues.
11/11/26
(MBI LIVE) Basic QuickBooks for Construction - Getting Started
This class is designed to give you an overview of how construction firms can work quickly and easily in the QuickBooks environment. NOTE: instructor will be presenting in QuickBooks Desktop 2023.
* - MBI Members only
MBI MOBILE APP
Our mobile app can help simplify your life by providing you with all of our information in a format that maximizes usability on the go. This re-launched offering features all the basics currently available on the website, while also incorporating access to MBI’s Training Vault.
MBI Source1. — A Powerful Platform
Get everything you need, all in one POWERFUL platform: MBI Source1. From project management, bidding, and cutting edge technology, MBI Source1., you'll be able to collect and organize project information efficiently & comprehensively. Get signed up for our virtual demo on November 17 to get an inside look!