IMSA, the International Municipal Signal Association, is the oldest known association of its kind in the world, with its roots dating back to 1896. It boasts esteemed members such as Thomas A. Edison and the Edison Electric Company.

Today, IMSA remains the most regarded name in public safety and certifies tens of thousands of technicians. They are dedicated to providing quality certification programs for the safe installation, operation, and maintenance of public safety systems. IMSA offers educational and certification programs in various areas including Traffic Signals, Signs and Markings, Work Zone Traffic Control, Fire Alarm systems, Fiber Optics, and Transportation Center Systems.

With the mission of promoting public safety in the most economical manner, IMSA membership consists of individuals employed by governmental organizations and private corporations. The association holds meetings, where members discuss mutual problems, exchange ideas, and present technical papers. IMSA also publishes the IMSA Journal, a bi-monthly magazine that informs members about technological advances and new ideas in the public safety field.

Through its international committees, IMSA completes vital public safety projects and provides coordination of public safety radio frequencies. With its rich history and commitment to excellence, IMSA continues to be the go-to authority for certifications and advancements in public safety