Illinois Precast Association
Illinois Precast Concrete Association is a state-wide trade association made up of precast concrete producers and companies that supply them.
The Bilco Company line of products, including Roof Hatches, Smoke Vents, Floor Access Doors, Safety Products, Intrusion Detection, Bilco Basement Doors, Egress Window Wells and Perm Entry Entrance, all have a reputation among architects, engineers, and the construction trades for dependability and for products that are unequaled in design and workmanship.
Specco Industries was founded in 1972 as a Chicago based manufacturer of a complete line of specification compounds designed for concrete and masonry production, maintenance and repair.
The Concrete Network’s purpose is to educate homeowners, contractors, builders, and designers on popular concrete techniques and applications. With thousands of articles, photographs, and a comprehensive directory of concrete contractors and product suppliers, The Concrete Network offers the most comprehensive online resource for independent, authoritative information about concrete construction.