End User - ie: Colorado State University, Redmond High School, City and County of Houston, NASA, Amazon, Top Golf, and similar businesses that are the final consumer of access control products in their properties.
Integrator / Locksmith - A provider and installer of access control, alarm, video, etc. equipment and systems.
Wholesale - A hardware reseller of access control, alarm, video, etc.
PACS - Physical Access Control System - An access control software provider.
CHD - Contract Hardware Distributor.