• Center for Training Transportation Professionals (CTTP)
• Public Policy Program
• Supply Chain Management Research Center (SCMRC)

STATE AND REGION

• Arkansas Department of Transportation
• Arkansas Trucking Association
• Arkansas and Missouri Railroad
• Arkansas Waterways Commission
• Kansas Department of Transportation (KDOT)
• McClellan-Kerr Arkansas River Navigation System
• Missouri Department of Transportation (MDOT)
• Missouri Valley Section, Institute of Transportation Engineers (MOVITE)
• Northwest Arkansas Regional Planning Commission (NWARPC)
• Oklahoma Department of Transportation (ODOT)
• Ozark Regional Transit (ORT)
• Port of Little Rock

NATIONAL

• American Association of State Highway and Transportation Officials (AASHTO)
• American Public Transportation Association (APTA)
• American Road & Transportation Builders Association (ARTBA)
• American Society of Civil Engineers (ASCE)
• Association of American Railroads (AAR)
• Bureau of Transportation Statistics (BTS)
• Council of University Transportation Centers (CUTC)
• Department of Homeland Security (DHS)
• Eno Transportation Foundation
• Federal Highway Administration (FHWA)
• Federal Transit Administration (FTA)
• Institute of Transportation Engineers (ITE)
• Rural Community Assistance Corporation (RCAC)
• State DOT Internet sites (alphabetical)
• Transit Cooperative Research Program (TCRP)
• Transportation Research Board (TRB)
• US Army Corps of Engineers (USACE)
• US Department of Transportation (USDOT)
• University Transportation Centers (UTC) Program