U.S. Lock is a national distributor of security and access control products with locations in Brentwood, NY; San Bernardino, CA; Louisville, KY; Charlotte, NC; and Jacksonville, FL. U.S. Lock is in telesales-based security distribution. Services include same-day shipping, extended ordering hours, a knowledgeable sales staff, and in-house technical support. U.S. Lock is a registered trademark of Interline Brands.