Represents the producers of hot mix asphalt industry.

Monitor and provide opinions for national legislation affecting county transportation and public works departments.

National associations working together for the continuous quality improvement in the planning, design, construction, and maintenance of highways. Includes links to members and state project awards.

Organization of producers of aggregates in the United States.Membership details, careers, publications, and events.

Provides a voice for hot mix asphalt producers on all subjects affecting the industry or members' businesses. Includes news and events, and educational resources.

Technical association developing the knowledge of properties of materials and performance of structures. Features members list, publications and meetings.

Representative body for contracting companies whose core business involves building and maintaining roading and land transport infrastructure. Features services, news and publications.

Dedicated to encouraging greater usage of high quality, cost effective asphalt pavements containing recycled tire rubber. Includes newsletter, video, and documentation library.

Sabita is funded by its members to add value to their operations. Value addition is achieved through market developments and advancing the efficient use and application of bituminous- and asphalt products.

International trade association of petroleum asphalt producers, manufacturers and affiliated businesses. Includes technical questions, publications, seminars, international meetings, and transportation industry links.

The society provides a wide range of opportunities for learning about geotechnical engineering and related geosciences.

Canadian forum dedicated to asphalt and asphalt mixes, products, manufacturing processes and technology.

Composed of physicists, chemists, biologists, engineers, and mathematicians interested in the advancing and applications of rheology, which is defined as the science of deformation and flow of matter.

Nonprofit institution, its mission is to promote innovation and progress in transportation by stimulating and conducting research, facilitating the dissemination of information, and encouraging the implementation of research results.

Represents hot mix asphalt producers in Washington State. Features pavement guides, conferences and scholarships.

Provides an international forum for analysis and discussion of the full spectrum of transport issues, related to roads and road transport. Features projects, publications, members, and events.