Casper Amateur Radio Club
- Affiliated with the Amateur Radio Relay League. Includes meeting schedule and agenda, newsletter, repeaters and links.
- http://casperarc.net/

The Casper Windy City Striders
- The purpose of this group is to promote and encourage running related activities for runners of all ages and abilities as well as race-walkers.
- http://www.windycitystriders.com/

Wyoming Cavalry
- National Indoor Football League team. Includes roster, statistics, schedule, tickets/seating, venue, league information.
- http://www.wyomingcavalry.com/

White's Marine Center
- Features lines carried, pre-owned boats, parts, accessories, service center, online store and contact information.
- http://www.whitesmarine.com/

Girl Scout Council of Wyoming
- Includes services, summer programs and registration information.
- http://www.girlscoutswyoming.com/

Casper American Legion Baseball
- Features the teams, staff, booster club, photo gallery, current schedule and contacts. Located at Mike Lansing Field.
- http://www.casperbaseball.com/

A J Outfitters
- Personalized hunting service, offering guided rifle-hunting trips on private lands for pronghorn antelope and mule deer. Hunts are by 4-wheel drive vehicle and stalking on foot.
- http://www.ajoutfitters.com/