Marks USA is a U.S. manufacturer of high-quality mechanical and architectural locking hardware trusted by locksmiths, specifiers, and contract hardware professionals. Its product range includes mortise and cylindrical locksets, Grade 1 exit devices, deadbolts, custom locksets, and advanced access lock options, all built to meet stringent ANSI and UL performance standards. Known for durability, value engineering, and architectural versatility, Marks USA supports commercial, institutional, multifamily, and retrofit projects with dependable performance and broad specification coverage.
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