For most purposes a high security UL437 keyway is not necessary. When your main concern is illicit key duplication, all you need is a restricted keyway. I can supply you with the MX2 keyway for half the money you might spend on a Medeco keyway. These cylinders are great for residential purposes, apartment buildings and office buildings where the highest security is not a concern.
I can install these locks or sell them to you to install yourself. The cost with no keys included is:
- Mortise cylinders: $45
- lever and knob cylinders: $45
- deadbolt cylinders: $45
The cost to retrofit your existing locks if they are commercial quality could be as low as $55 per lock including parts and labor. Let me know if you are interested in a quote.