The Tennis Center
- Information on club facilities, adult and junior programs, tournaments, pro shop and club parties.
- http://www.thetenniscenters.com/newingtonpages/home.html

Newington Nighthawks Youth Hockey
- Club overview, board of directors, photo gallery, announcements and links.
- http://www.newingtonhockey.com/

Newington Swim Club
- Offers competitive swimming for kids ages 6 to 18.
- http://www.newingtonswimming.com/

Newington Ski Club
- Photos, club history, newsletter, events calendar and membership.
- http://www.newingtonskiclub.net/

Soccer Club of Newington
- Member of the Connecticut Junior Soccer Association in affiliation with United States Youth Soccer.
- http://www.newingtonsoccer.org/

The American Radio Relay League
- Membership service organization headquartered in Newington, serving amateur radio operators, enthusiasts, experimenters and hobbyists nationwide.
- http://www.arrl.org/