ADDCO sets the standard in vehicle-mounted and fixed-traffic control solutions that deploy fast, withstand extreme conditions and deliver proven visibility to protect crews and motorists. For more than 70 years, ADDCO has led the industry with first-to-market innovations that improve roadway safety and keep operations running smoothly. Every product is built with precision electrical, mechanical and software engineering—then rigorously tested to meet demanding field standards. When safety and reliability matter most, DOTs, first responders and roadside professionals trust ADDCO.
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The ADDCO annual revenue was $23.2 million in 2026.
Scott Carlson is the Director Of Special Projects of ADDCO.
24 people are employed at ADDCO.
ADDCO is based in Saint Paul, Minnesota.
The NAICS codes for ADDCO are [3399, 339, 33995, 33].
The SIC codes for ADDCO are [399, 39].