• Private Operating Foundations

• 136.

Rockefeller Archive Center

Collects, preserves, and provides broad and equitable access to the historical records of philanthropy.

• Recreational, Pleasure, or Social Club

• 137.

Pen Collectors of America NFP

The PCA is a collector-run nonprofit organization, serving all interested in the history, collecting Whats new.

• Museums & Museum Activities

• 138.

Museum of Our Industrial Heritage

MUSEUM TO DISPLAY AND CELEBRATE THE ROLE OF INDUSTRIAL WORKERS, THE FIRMS WHICH EMPLOYED THEM AND THE PRODUCTS EACH PRODUCED IN THE HISTORY, ECONOMY, AND SOCIAL ACTIVITY OF THE UPPER PIONEER VALLEY.

• Historical Societies and Related Activities

• 139.

Steel Founders Society of America

The Steel Founders' Society of America is an association whose members are companies that produce steel castings.

Chesapeake Naval Heritage Foundation Inc

Restoration, operation of historic naval and maritime vessels Our mission is to help preserve the iconic historic vessels crafted of wood and iron which have enabled our journeys across the sea.

Machinery Dealers National Association

Machinery Dealers National Association is an international nonprofit trade association.

Machinery Dealers National Association

Machinery Dealers National Association is an international nonprofit trade association.

• Promotion of Business (Chambers of Commerce)

• 143.

Machinery Dealers National Association

Machinery Dealers National Association is an international nonprofit trade association.

• Promotion of Business (Chambers of Commerce)

• 144.

Machinery Dealers National Association

Machinery Dealers National Association is an international nonprofit trade association.