Links

Bilco

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.
website:  www.bilco.com

Illinois Precast Association

Illinois Precast Concrete Association is a state-wide trade association made up of precast concrete producers and companies that supply them.

Founded in 1949, IPCA formed as a group of concrete septic tank manufacturers. Since that time the product lines have expanded to include manholes, catch basins, grease traps, burial vaults, steps, concrete countertops, brick and block, architectural and much more.
website:  www.illinoisprecast.org

Specco Industries

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.
website: www.specco.com

Concrete Network

website:  concretenetwork.com/concrete-information/
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.