National Institue for Certification of Engineering Technologies (NICET)
www.nicet.org
Northeast Center of Excellence for Pavement Technology (NECEPT)
www.superpave.psu.edu
American Concrete Institute (ACI)
www.aci-int.org
Pennsylvania Concrete Promotion Council (PCPC)
www.paconcrete.com
American Traffic Safety Services Association (ATSSA)
www.atssa.com
Troxler Electronic Laboratories
www.troxlerlabs.com