• Rehabilitative Medical Services

• 550.

Ironstone Therapy Inc

Improving physical, emotional & cognitive well-being through equine-assisted programs TO PROVIDE LIFE-CHANGING EQUINE-ASSISTED SERVICES THAT FOSTER THE HUMAN- HORSE CONNECTION TO HELP INDIVIDUALS AND FAMILIES WITH PHYSICAL, COGNITIVE, AND EMOTIONAL CHALLENGES EXPERIENCE HEALING AND JOY WHILE REALIZING THEIR FULL POTENTIAL.

• Land Resources Conservation

• 551.

Dunstable Rural Land Trust

TO PRESERVE AND ENCOURAGE PUBLIC USE OF THE NATURAL ENVIRONMENT OF ECOLOGICALLY SIGNIFICANT LAND, TO ACQUIRE PROPERTY FOR THAT PURPOSE BY GIFT OR PURCHASE AND TO EITHER MAINTAIN EACH PARCEL OF LAND ITSELF, PROVIDING LIMITED PUBLIC ACCESS.

• Scholarships, Student Financial Aid, Awards

• 552.

Littleton Scholarship Trust

Provide scholarship to graduates of Littleton, Ma, High School and Littleton residents attending Nashoba Valley Technical High School.

• University or Technological

• 553.

Rivier University

Rivier University is a Catholic, coeducational not-for-profit university offering Undergraduate, Professional Studies, Graduate, and Doctoral degrees.

Grand National Curling Club of America Inc

INCREASING AWARENESS AND PARTICIPATION IN CURLING AT ALL LEVELS THROUGH ITS MEMBERSHIP NETWORK .

• Museums & Museum Activities

• 555.

THE PUBLIC HEALTH MUSEUM IN MASSACHUSETTS INCORPORATED

America's First Public Health Museum. Check out our website for hours of operation.

• Swimming, Water Recreation

• 556.

Essex Rowing Club Inc

THE ORGANIZATION'S OBJECTIVE IS THE PROMOTION OF THE HEALTH, WELFARE AND LONG-TERM DEVELOPMENT OF ATHLETES OR ANY OTHER INTERESTED PARTICIPANTS THROUGH THE SPORT OF ROWING.

Software Freedom International

DFF is the non-profit organization at the origin of Software Freedom Day.

• Education N.E.C.

• 558.

Lets Botanize

Let's Botanize is an education-focused organization, dedicated to combating the climate and biodiversity crisis through spreading a curiosity, knowledge, and appreciation of plants.