We sell and service almost all brands of commercial, institutional and office furniture locks.  Here are a few:

Abus
Adams Rite
Alarm Lock
American Lock
Arrow
Assa Abloy
BEST
Bommer
CAL
CCL
Century
CompX:
Chicago
Fort
National
Timberline
Corbin Russwin
Detex
Dorma
ESP
Falcon
FireKing
Folger Adams
Hager
HES
Hudson
ILCO
Jackson
Kaba
Kwikset
Marks
Master
Medeco
Olympus
Papaiz
Sargent
Schlage
S. Parker
Stanley
Strattec
Taco
Tell
Ultra
Von Duprin
Weiser
Yale
and many more