Green Hill Park Golf Course
- This is an 18 hole public golf course that operates eight months of the year. Includes map and directions.
- http://www.ci.worcester.ma.us/dpw/parks_rec/golf/home.htm

Seven Hills Wheelmen
- Recreational group for adults in the Worcester area providing non-competitive bicycling and other outdoor activities. Off-season activities include hiking, mountain biking, cross-country skiing and snow shoeing.
- http://www.sevenhillswheelmen.org/

Bella Via Balloon Co.
- Hot air ballooning in central Massachusetts, containing information on flights, marketing and promotion, sales, training and education, and other services.
- http://www.bellaviaballoon.com/

Bicycle Alley
- Provides cycling products and services for road and mountain biking.
- http://www.bikealley.com/

Eric Goldberg Sports Entertainment
- Information on local independent professional wrestling federation.
- http://www.ericextreme.com/egse/index.html

Wormtown Rugby
- The home of the Worcester Rugby Club. Includes membership information, history and a schedule.
- http://www.wormtownrugby.com/

Worcester Aquarium Society
- Tropical fish aquarium club formed to foster and develop interest in the aquarium hobby, to promote programs of interest and education about the hobby, and to provide a place where information and education can be gathered and exchanged.
- http://www.petsforum.com/was/

Bay State Gym
- A premier hard training facility in Central Massachusetts, in operation for over 16 years, offering the latest equipment in over 7000 square feet of floor space.
- http://www.baystategym.com/

Appalachian Mountain Club - Worcester Chapter
- Promotes the enjoyment, and wise use of the mountains, rivers, and trails of the Northeast. Activities include hiking, biking, flat & white water, backpacking, hikes, rock climbing, skiing, social and educational events.
- http://www.amcworcester.org/