Welcome to Midwest Municipal Supply Thank you for visiting our website. We have been a leading supplier of underground water, sewer, and storm sewer material in the St. Louis metro area and Southwestern Illinois since 1989. In the construction industry, we all know that time is money. That's why our goal is to have the supplies you need in stock and deliver them accurately, on time, and at competitive prices. We strive to keep up to date on all of the latest products, installations techniques, and technology in the industry. However, it is also important for us to stay on top of the ever-changing specifications and requirements of the local municipalities and engineers. Come visit us, we are conveniently located in Collinsville, IL, easily accessable from I-55/70, I-270, and I-255. Midwest Municipal Supply, Inc. 1435 North Bluff Road (Hwy 157) Collinsville, IL 62234 (618) 344-1040 Map