Who is HDC?

We are a manufacturer and distributor of security related power locking controllers, components, hardware, keypads, and vehicle accessories. Our products can retro-fit nearly all vehicles including motor coaches, rescue vehicles, ambulances, fire trucks, utility bodies, and compartment doors.

Power Lock Kits

We can power lock nearly anything. If your not sure what you need, please contact us at:
(512) 301-0303


rv-helpFor assistence with your Motor Coach, Toy Hauler, or Camper that has HDC's security system, please follow this link.

Check Out Top Pop™

Tonneau Lifting and Locking System

How It Works Video




Products By Market

Utility Body
Ambulance & Fire



Terms and Conditions
Credit Application
Purchase Order Form


Purchase Process


Apply for Terms
1 - Select Your Products
2 - Read Terms
3 - Sign and return
Credit Application
5 -Submit P.O. Form via email or mail

Credit Card Purchase
1 - Select Your Products
2 - Submit P.O. Form via email or mail
3 - Sign and return Credit Card Form