| abcdpittsburgh.org | Association for Bridge Construction and Design (Pittsburgh Chapter) |
| steelbridge.org | AASHTO/NSBA Steel Bridge Collaboration |
| post-tensioning.org | Post-Tensioning Institute - PTI |
| cbdg.org.uk | Concrete Bridge Development Group - (CBDG) |
| aisc.org | National Steel Bridge Alliance - NSBA |
| abcdwny.org | Association for Bridge Construction and Design - Western New York Chapter |
| shotcrete.org | American Shotcrete Association |
| pavement.com | American Concrete Pavement Association |
| highwayengineers.org | American Society of Highway Engineers |
| astm.org | ASTM International |
United States , Illinois , Mount Prospect