| AASHTO -- American Association of State Highway and Transportation Officials. An organization which sets transportation policies and authors many construction codes. |
| AEMA -- Asphalt Emulsion Manufacturers Association, an international organization representing the asphalt emulsion industry. |
| AGCIL - Associated General Contractors of Illinois -- Represents contractors, subcontractors, and associates, and serves its members by promoting the interests of the heavy-highway industry. Education, construction news, events, legislative resources and contacts. |
| American Concrete Pavement Association -- Dedicated to the promotion of the superiority of concrete pavements for use in interstate highways, state and county highways, municipal streets, local roads, and airports. |
| American Concrete Pavement Association - Northeast Chapter -- Promote concrete pavement for highways, municipal streets, intersections, county roads and airports, in the south eastern United States. |
| American Public Works Association -- An international educational and professional association of public agencies, private sector companies, and individuals dedicated to providing high quality public works goods and services. |
| Applied Research Associates Inc. -- Pavement research programs recognized for advancing the design, evaluation, construction, and management of airfield and highway systems. |
| ARTBA -- American Road and Transportation Builders Association. The information home for transportation development, management, design and construction professionals. |
| Asphalt Pavement Association -- Trade association composed of hot mix asphalt producers and affiliated companies serving the California market. |
| Asphalt Pavement Association of Indiana -- Trade association for asphalt pavement producer contractors. Features news, technical data, scholarships, and related links. |
| Asphalt Pavement Association of West Virginia -- Non-profit trade association representing the producers of hot mix asphalt along with other industry-related firms. Features members listing, news, and resource centre. |
| Asphalt Recycling And Reclaiming Association -- Worldwide association for those involved in the asphalt and recycling industry. |
| Association of Asphalt Paving Technologists -- The association is dedicated to the advancement of asphalt paving technology. |
| Canadian Asphalt Shingle Manufacturers' Association -- Established to serve and promote the best interests of all stakeholders in the Canadian asphalt shingle industry; namely manufacturers, consumers, suppliers, distributors and employees. |
| CERF -- The Civil Engineering Research Foundation provide leadership, direction, and an organizational structure to foster research for the civil engineering profession at large. |
| EAPA -- European industry association which represents the manufacturers of bituminous mixtures and companies engaged in asphalt road construction and maintenance and explains the use of bitumen emulsion in Europe. |
| FHWA -- Federal Highway Administration who provide expertise, resources, and information to continually improve the quality of the nation's highway system and its intermodal connections. |
| Illinois Asphalt Pavement Association -- Offers news, bulletin board, membership information and technical advice for hot mix asphalt producers in Illinois. |
| Illinois Road and Transportation Builders Association -- Serving the interests of members in the heavy road, highway and bridge construction industry. Features news, information, education programs, member benefits, links and contacts. |
| International Road Federation (IRF) -- A not-for-profit, non-political service organisation. Its purpose and continuing objective is to encourage better road and transportation systems worldwide . |
| International Society for Asphalt Pavements -- In addition to promoting technical advances, ISAP is looking at the future directions of the asphalt paving industry in terms of key issues such as environmental protection, socio-economic impacts, political concerns. |
| Laboratoire Central des Ponts et Chaussées - France -- French research organization working for the state and the local authorities in connection with professionals involved in civil engineering, transport, urban engineering and environment . |
| Mineta Transportation Institute. -- An international transportation information and repository source. Maintained in the USA . |
| Minnesota Asphalt Pavement Association - MAPA -- Represents members interests regarding items involving transportation, the environment, and legislation. Includes members listing, calendar of events, and links to related organizations. |
| National Asphalt Paving Association -- Represents the producers of hot mix asphalt industry. |
| National Association of County Engineers -- Monitor and provide opinions for national legislation affecting county transportation and public works departments. |
| National Partnership for Highway Quality - NPHQ -- 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. |
| National Stone, Sand, and Gravel Association -- Organization of producers of aggregates in the United States.Membership details, careers, publications, and events. |
| OHMPA -- The Ontario Hot Mix Producers Association, formed in 1974, provides a voice for hot mix asphalt producers on all subjects affecting our industry or our members' businesses. |
| Petroleum Recovery Institute -- Develops new technologies for improved oil and gas recovery. The institute provides contract services for solutions to production problems, formation damage, designs for horizontal well drilling muds, stimulation systems and special core analysis. |
| PIARC -- The world road association deals with road infrastructure planning, design, construction, maintenance and operation. |
| RILEM -- Technical association developing the knowledge of properties of materials and performance of structures. |
| Rubber Pavements Association -- Dedicated to encouraging greater usage of high quality, cost effective asphalt pavements containing recycled tire rubber. |
| Southern Africa Bitumen Association -- 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. |
| The Asphalt Institute -- International organization with information on Superpave, environmental, technical questions, publications, seminars, international meetings, and transportation industry links |
| The Canadian Geotechnical Society -- The society provides a wide range of opportunities for learning about geotechnical engineering and related geosciences. |
| The Canadian Technical Asphalt Association -- Canadian forum dedicated to asphalt and asphalt mixes, products, manufacturing processes and technology. |
| The New Zealand Pavement and Bitumen Contractors' Association -- Specialist organisation representing roading contractors in New Zealand. Established in 1988 to promote the safe use of bitumen and asphalt . |
| The Society of Rheology -- 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. |
| Transportation Research Board -- 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. |
| Washington Asphalt Paving Association - WAPA -- Represents hot mix asphalt producers in Washington State. Features pavement guides, conferences and scholarships. |
