SWARCO McCain, Inc. is a privately held American manufacturing company headquartered in Vista, CA.

That same year, McCain expanded its sales and technical support efforts by opening a branch office and small manufacturing facility in Preston, Washington.

[4] By the late 2000s, sales and technical support offices were established in Texas, Oregon, Virginia, and an extensive distributor network was created.

In the last two decades, McCain, Inc. has manufactured and sold more than 5.6 million traffic signals, 75,000 cabinets, and 58,000 controllers,[5] which can be found across the US and in Kuwait, the Philippines, Canada, Mexico, and other countries.

[citation needed] In August 2016, McCain became a part of the SWARCO group, making products for road safety and intelligent traffic management.