• Historical Societies and Related Activities

• 496.

Massachusetts Historical Society

Massachusetts Historical Society, f. 1791: first historical society in the US.

• Boards of Trade

• 497.

National Conference of CPA Practitioners

The mission of the National Conference of CPA Practitioners, Inc , which represents practicing CPAs, includes advocating issues and matters, which affect our members, monitoring, anticipating and responding to changes in the profession, promoting the exchange of ideas and information among our members, providing a means for our members to develop and maintain skills necessary to be successful in the competitive business environment.

• Public Utilities

• 498.

MASSACHUSETTS INTERFAITH POWER & LIGHT INC

Massachusetts Interfaith Power & Light: we are people of faith working together for climate & environmental justice.

The Greater Washington Society of CPAs

A strong accounting profession plays a critical role in a thriving economy and nation.

• Educational Services and Schools - Other

• 500.

Central Montco Education Foundation

CMTHS serves students grades 10-12 in the Colonial, Upper/Lower Merion, & Norristown School Districts.

Florida West Coast Employee Benefits Council Inc

2025 FWCEBC Empowering Benefits Professionals The Florida West Coast Employee Benefits Council aims to enhance our colleagues knowledge by sharing practical applications of new legislation case studies and compliance procedures related to all aspects of benefits management.

• Labor Unions/Organizations

• 502.

American Federation of Teachers

Labor organization represents its membership.

AMERICAN FEDERATION OF TEACHERS

NYSUT is a federation of more than 1,200 local unions dedicated to improving working conditions and the quality of education and healthcare for New Yorkers.

MASSACHUSETTS COALITION FOR THE

Member Organizations The Massachusetts Coalition The Massachusetts Coalition for the Prevention of Medical Errors is a publicprivate partnership whose mission is to improve patient safety and eliminate medical errors in Massachusetts.