Local Organizations
- Wachusett Regional School District - Regional School District
- NEADS - Dogs for Deaf and Disabled Americans
- Neighbor to Neighbor Assistance Program
- Sterling Land Trust
- Sterling Community Theater
- Wachusett Food Pantry
- Wachusett Greenways - Rail Trail & Greenways Volunteer Organization
- Sterling Little League
- Sterling Garden Club
- Sterling Youth Soccer
- Sterling Farmer's Market - Fridays, 3:00 - 6:30 p.m., May to October at 1 Park Street
- Sterling Girls Softball
- Wachusett Regional Newcomers Club
- Wheat Community Services - WHEAT is a 5-town community service organization which provides much needed aid to residents of Sterling, Berlin, Bolton, Clinton and Lancaster.
- Montachusett Regional Transit Authority - Public Transportation
- Girl Scouts of Central and Western MA
- Sterling Grange #53 - The Sterling Grange building is located on 1 Maple Street in Sterling, and is an active, family-friendly group involved in supporting local agriculture, community gardening, and general community involvement