United Security Seals manufactures in Columbus, Ohio. We are the largest North American manufacturer of lead and wire seals. For more than 110 years, United Security Seals has designed and manufactured a full line of tamper-evident and positive security seals. Our predecessor companies include United Seal Company founded in 1900, with a second location in Gardena, California, and Porter Safety Seal founded in Chicago in 1905. We serve both the public and private sectors.

 All operations are centered in our building located in Columbus, Ohio. Our central location allows us to provide quick service to all of the United States and abroad.