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HDC Inc. is a power locking, security and component supplier, manufacturer and distributing company.
Flat Act Series
PL Series

OEM Power Locking

Security and Relay Controllers
Security and Relay Controllers

Top Pop, Compressors, and Components
Top Pop, Compressors, and Components


Air Horns

Pneumatic Rams


What's New
Selecting Your Products
How To Buy
New Product Release
HDC's Master Lock System (MLS)™
For Master Lock System Utility Vehicles
call 1(877) 725-3432
More MLS
Quote Inquiry

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Power Locking, Security Products, Hardware and Components for Fleets, Trucks, Ambulances, Service Vehicles, RV's, Motor Coaches, Toy Haulers, Trailers