White Tiger Martial Arts Academy
- Offers TaeKwonDo and Korean long staff. Contains instructor's profile, program information, class schedule, photographs and newsletter.
- http://www.whitetigersiouxcity.com/

Whispering Creek Golf Club
- Offers member-oriented club with golf, social, and practice facilities for players of all abilities. Includes description of eighteen-hole course, events, amenities and membership information. With photographs.
- http://www.whisperingcreekgolfclub.com/

Sioux City Country Club
- Private membership offers golf, tennis, swimming, 24 hour fitness facilities, and dining. Includes menus, information about activities and events.
- http://www.sccountryclub.com/

Missouri River Runners
- Contains mission statement, race calendar, membership application, group runs schedule, information about volunteerism and directions to area trails.
- http://www.missouririverrunners.com/

Siouxland Experimental Aircraft Association Chapter 291
- Contains descriptons and pictures of members' projects, membership application, newsletters, upcoming events, officer list and field information.
- http://myweb.cableone.net/ralter/

Sioux City Explorers
- Official site of minor league baseball team. Contains schedule, a live broadcast, statistics and roster.
- http://www.xsbaseball.com/

Sioux City Musketeers
- Official site. Includes schedule, roster, staff, booster club, tickets, merchandise, archives, records, guest book, fan page, contact, and links.
- http://www.musketeershockey.com/

Sioux City Bandits
- Official National Indoor Football League team site. News, roster, schedule, photo gallery, ticket information, and message board.
- http://www.scbandits.com/