Southern Illinois USTA
- Governing body for the sport in counties located across the southwestern and southern regions of the state. Events calendar and news are showcased.
- http://www.network.usta.com/publish.sps?syndicatorguid={F5A6B8DB-1A0E-432E-AA82-453434FA8283}&rmasiteinstanceguid={B53409D6-6052-45E1-A8CB-E2C5883381DD}&rmapageid=25&sectionid=2770

Northern Illinois USTA
- A non-profit corporation that is the governing body of tennis in Northern Illinois, consisting of 26 counties. Features news and an events calendar. Regional of the United States Tennis Association.
- http://www.network.usta.com/publish.sps?syndicatorguid={887A4ACE-096A-4BC0-8A49-F97A10A0B340}&rmasiteinstanceguid={A6A09EA4-D0E6-485F-8931-59B3CD001B31}&rmapageid=25&sectionid=2734

Middle Illinois USTA
- One of 14 districts in the Midwest Section for the United States Tennis Association. Covers the counties within the western, central and east central regions of the state. Events calendar and news are featured.
- http://www.network.usta.com/publish.sps?syndicatorguid={5704C859-7BAF-455C-A902-6D9B73A6AABD}&rmasiteinstanceguid={CF18A15F-9C53-4350-A3F3-561C61227593}&rmapageid=25&sectionid=2752

Illinois High School Tennis Coaches Association (IHSTCA)
- Offers news and awards including the Hall of Fame, records for career wins, an annual Tom Pitchford Memorial Sportsmanship Award, along with membership information and links to related sites.
- http://tennis.glenbrook.k12.il.us/