Maintenance Superintendents Association

The Maintenance Superintendents Association (MSA) is supported by a membership comprised of Mid Management Municipal, County, State and Special District employees who are responsible for, and dedicated to the cost effective maintenance of the Public infrastructure, and the commercial entrepreneurs who supply them with the equipment, materials and technical support to carry out this vital mission. The Association is also dedicated to the ongoing education of its members and the dissemination of available safety procedures.

Traffic Control Supervisors Association

The Traffic Control Supervisors Association, TCSA, is an association of professionals employed full time in the field of traffic operations and related fields who are dedicated to ensuring safe effective travel through the transportation corridors of their respective jurisdictions by means of furthering their education, networking, and keeping up to date on the latest changes in laws, methodology, materials and equipment.

American Traffic Safety Services Association

The American Traffic Safety Services Association, an international trade association, is located in Fredericksburg, Va. Since 1969, ATSSA has represented companies and individuals in the traffic control and roadway safety industry. Over 1,600 ATSSA members provide the majority of features, services and devices used to make our nation's roadways safer. These include pavement markings, road signs, work zone traffic control devices, guardrail, and other roadside safety features.

American Association of State Highway and Transportation Officials

AASHTO is a nonprofit, nonpartisan association representing highway and transportation departments in the 50 states, the District of Columbia, and Puerto Rico. It represents all five transportation modes: air, highways, public transportation, rail, and water. Its primary goal is to foster the development, operation, and maintenance of an integrated national transportation system.

County Engineers Association of California

The County Engineers Association of California (CEAC), formed in 1914, is comprised of county engineers, public works directors, county road commissioners, and professional personnel throughout California’s 58 counties. Its purpose is “To advance county engineering and management by providing a forum for the exchange of ideas and information aimed at improving service to the public.