Marks USA
Heavy-Duty American-Made Security Since 1977
Marks USA manufactures the toughest commercial locks in America, trusted in schools, hospitals, and high-traffic buildings nationwide.
Get Marks USA Installed
Free consultation and quote from your local authorized dealer and installer.
(321) 224-5625 Request Free QuoteAbout Marks USA
Since 1977, Marks USA has manufactured heavy-duty locks at their facility in Amityville, NY for commercial, industrial, and institutional applications. Their products are specified by architects and security professionals when maximum durability and security are required. Marks USA mortise locks exceed 6 million cycles of continuous use, and their unique Survivor cylindrical leverset features a clutch mechanism that eliminates lever droop. All products meet BHMA Grade 1 standards and carry a lifetime mechanical warranty. Key-En-Lock installs and services Marks USA products throughout Brevard County.
Key Benefits
- Made in USA – Amityville, NY manufacturing
- Lifetime mechanical warranty
- BHMA Grade 1 – highest commercial rating
- UL 3-hour fire rated
- ADA compliant options available
- Nova Series exceeds 6 million cycles
- Florida Building Code / Miami-Dade NOA approved
- Buy American Act (BAA) compliant
Marks USA Products We Install
Expert installation and service for the complete Marks USA product line
Nova Series Mortise Locks
Premium mortise locks exceeding 6 million cycles – the gold standard for schools, hospitals, and high-traffic commercial buildings.
Protector Series Mortise
Features Override Guard that causes spindle failure at 550 ft-lbs torque, protecting the lock from forced entry.
Survivor Cylindrical Leversets
Unique clutch mechanism disengages levers when locked, eliminating wear and lever droop.
LifeSaver Institutional Locks
Anti-ligature locks for behavioral health facilities, hospitals, and correctional institutions.
Electrified Locks
Fail-safe and fail-secure options for access control integration with request-to-exit and door monitoring.
Ideal Applications for Marks USA
Perfect for these environments and applications
Why Buy Marks USA from Key-En-Lock?
Your local authorized dealer with over 30 years of locksmith experience
Authorized Dealer
Genuine products with full manufacturer warranties and support.
Expert Installation
Certified technicians install to manufacturer specifications.
Ongoing Support
We service everything we sell – repairs, rekeying, and upgrades.
Local & Trusted
Family-owned since 2019 with 30+ years experience.
Ready for Marks USA?
Contact Key-En-Lock for a free consultation and quote. We'll help you choose the right solution for your security needs.
All Lock Brands We Install & Service
Residential Locks
Commercial & Access Control
High-Security Locks
Key-En-Lock installs Marks USA throughout Brevard County, Florida