CSEC has a number of user groups that hold events or provide training at CSEC, including:
- Action Pistol Group (APG) (970)424-5138
- A Girl and A Gun National Conference
- A Girl and A Gun Grand Junction Chapter
- Bart Chandler (970) 948- 6172
- Ken Andrews (970)208-7789
- Colorado Bowhunters Association (303)809-9910
- Colorado Precision Rifle (910) 257- 0848
- Common Sense Defense (970)261-4035
- D-CO (910)690-2847
- DC Private Investigations and Security Consultants LLC (719)696-9280
- Defenders USA (970)986-0774
- Fieldcraft LLC (970)459-7184
- Grey Wolf Protective Industries Micah Galvin (970)778-9116
- ICE Rifles LLC – Keith Baker (330)808-1169
- International Defensive Pistol Association (IDPA) (870)545-3886
- Kleiber Investigations and Training (970) 846-8588
- Koenig Shooting Sports
- KSAT-5 Firearms Training – Ken Stephenson (303)907-6138
- Mesa Precision Arms {970)424-0979
- Pinnacle Shooting Sports (602) 478-6512
- Scholastic 3-D Archery (S3DA) Ryan Hudson (970) 640-2430
- Servare Vitus Solutions (719)301-1806
- Alan Siering (910) 603-3677
- Steel Challenge Shooting Association (SCSA) (360)855-2245
- Tactical And Practical Solutions (TAPS), LLC (970)901-1144
- True Pair Shooting Academy LLC – Robert Courtney (970)216-7750
- United States Practical Shooting Association (USPSA) (360)855-2245Vertex
- Western Colorado Precision Shooters (970) 270-9949
- Western Hunt Fest (303) 547-0055
- and more…