Manhole Construction Specialists Built for Strength, Precision & Performance
Pre-Cast, Rings & Covers Manufactured right here in California, MCS has the material you need ranging from 36” galvanized step storm drain shafting to 48”, 60”, and 72” sewer manholes. We maintain a massive inventory of the popular opening sizes including grade rings in 3” or 6” heights. Our custom production line can cast T-Lock shafting to provide superior protection when your plans require. Our extensive inventory also includes cast iron rings and covers.