UniFirst Corporation | 65,047 followers on LinkedIn. Uniforms - Services - Solutions | Headquartered in Wilmington, Mass., UniFirst Corporation (NYSE: UNF) is a North American leader in the supply and servicing of uniform and workwear programs, facility service products, as well as first aid and safety supplies and services. Together with its subsidiaries, the Company also manages specialized garment programs for the cleanroom and nuclear industries. In addition to partnering with leading brands, UniFirst manufactures its own branded workwear, protective clothing, and floorcare products at its five company-owned ISO-9001-certified manufacturing facilities.