Mortise

Marks USA has been making mortise locks for over 30 years. From their introduction, our mortise locks have enjoyed a reputation for long life and their ability to excel in high traffic, high abuse areas. Marks USA mortise locks are engineered to provide years of maintenance-free performance. Our Nova Series Mortise Locks exceed 6 million cycles of continuous use. Meets ANSI GRADE 1 specification: ANSI-A156.13 more info... Underwriters Laboratories 3-Hour Fire Rating  BHMA Certified  more info... Lifetime Mechanical Warranty Available in 2-1/2" and 2-3/4" backset Stainless Steel Bolts, Latches, Independent Lever Support Springs (on lever sets) Made in our plant in Amityville, New York, USA

Trim Types

• Roses

• Escutcheon Plates

• Handlesets

• Levers

• Knobs

Case Studies

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  MARKS USA: Leaders Of Value Engineered Lock Hardware

  MARKS USA has become a leading proponent of Value Engineered solutions on a wide array of high-end projects. While offering our clientele tremendous savings on locksets, both during bidding as well as during order placement, the result is increased business volume for our customers and here at MARKS USA.Being a somewhat smaller and much more agile lock and security hardware manufacturer, MARKS USA has the capabilities to produce both... more »
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  Trump Tower, Chicago

  MARKS USA Custom Lockset Division manufactures mortise, cylindrical and tubular locks in a large variety of designs and functions. We also offer custom trim with engraving and conventional and high-security keying for residential and industrial systems. Marks USA welcomed the challenge of creating custom locksets for the Trump Tower, which were provided throughout, utilizing custom escutcheons engraved with the Trump World logos. Trump... more »
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  Atascadero State Hospital & Rehab Center, California

  MARKS USA is proud to announce they have started the first phase of supplying Atascadero State Hospital & Rehab Center with their Grade 1 Institutional Life Safety Locksets. Atascadero State Hospital (ASH), opened in 1954, is an all-male, maximum security forensic facility serving the entire state of California. ASH is a completely self-contained psychiatric hospital constructed within a security perimeter. Our Grade 1 Institutional Life... more »
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  The Lucida, New York

  MARKS USA Custom Lockset Division welcomes The Lucida to the growing list of residential buildings where their Grade 1 Mortise Locksets are currently in use. Our Custom Lockset Division manufactures mortise, cylindrical and tubular locks in a large variety of designs and functions. We also offer custom trim with engraving and conventional and high-security keying for residential and industrial systems.The Lucida brings a new expression... more »
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  MARKS USA Custom Lockset Division Adds Allure To The Brompton

  MARKS USA Custom Lockset Division brings a unique design to The Brompton in New York City. The Custom Lockset Division manufactured solid brass, nickel-plated leversets for this twenty-two story luxury condominium located in Manhattan's Upper East Side. The use of such an unusual design was only fitting for a building as sophisticated and unique as The Brompton. Designed by Robert A.M. Stern architects, LLP, ‘The Brompton's’ red brick... more »
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  MARKS USA Custom Lockset Division Selected For Visionary Stainless Steel Style for The Visionaire

  Amityville, NY, MARKS USA Custom Lockset Division will provide security and style at The Visionaire in New York City; another reference in its prestigious list of condominiums that have chosen to use Marks Grade 1 Mortise Locksets. The Company’s Custom Lockset Division manufactured solid stainless steel trim of modern design for the thirty-five story, two-hundred forty seven unit luxury condominium. Marks USA’s custom lockset design matches... more »
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  Marks USA Custom Lockset Division Graces The Georgica, NY

  Amityville, NY, MARKS USA Custom Lockset Division graces The Georgica Residential Towers located in Manhattan’s Upper East Side. These forged brass levers, in a polished nickel finish, were created to compliment the distinctive “L” shape of this architectural majesty by imitating the abundance of corners and protrusions within the design of the building itself. The Georgica, whose name was inspired by the serene Georgica Pond in East... more »