- Australian Asphalt Pavement Association – http://www.aapa.asn.au
- ARRB Transport Research, Ltd. (formerly Australian Road Research Board) – https://www.arrb.com.au/
- Ontario Asphalt Pavement Council, a council to Ontario Road Builders Association (ORBA) – http://www.onasphalt.org/
- Canadian Technical Asphalt Association – http://www.ctaa.ca/
- Ontario Good Roads Association – http://www.ogra.org
- Transportation Association of Canada – http://www.tac-atc.ca/
- Ontario Ministry of Transportation (On-Line Research Reports) – http://www.mto.gov.on.ca/english/transrd/index.html
- Eurobitume – http://www.eurobitume.eu/
- GPB (Groupement Professionnel des Bitumes) – http://www.bitume.info
- German Bitumen Federation – http://www.asphalt.de\
- ARBIT (Arbeitsgemeinschaft der Bitumen-Industrie e.V.) – http://www.arbit.de/
- Asociacion Mexicana del Asfalto, A.C. – http://www.amaac.org.mx
- European Asphalt Pavement Association – http://www.eapa.org/
- Southern African Bitumen Association (Sabita) – http://www.sabita.co.za/
- Associacion Española de la Carrétera/Spanish Road Association – https://www.aecarretera.com/
- International Road Federation – http://www.irfnet.org/
- Transportation Research Laboratory – http://www.trl.co.uk
- International Society for Asphalt Pavements – http://www.asphalt.org/