Colorado Air Force Association: Promotes aerospace and national defense issues. Overview, list of board members, bylaws, events calendar, and list of local chapters.
Military Officers Association of America - Colorado Chapters: Overview and contact details.
Military Officers Association of America - Northern Colorado: Serves the entire northeast quarter of Colorado. Overview, membership information, details on activities and events, list of chapter officers, and membership application.
Military Order of the Purple Heart - Department of Colorado: List of board members and chapters, and contact details.
Military Order of the Purple Heart - Department of Colorado: Yahoo group with events calendar, chapter reports, photo gallery, and message board.
National Guard Association of Colorado: News, events calendar, membership information, and details about scholarships and local legislation efforts.
USNA Alumni Association - Colorado Chapter: Events calendar, list of officers, roster of members, and membership information.