• Energy Resources Conservation & Development

• 541.

National Center for Energy Management and Bldg Technologies

To improve the efficiency, productivity and security of the United States building stock by developing and disseminating synergistic and complementary solutions to Energy Management, indoor environmental quality and security concerns in new and existing buildings.

• Water Resource, Wetlands Conservation & Management

• 542.

Water Environment Federation

Not-for-profit technical & educational organization representing water quality professionals around the world.

• Swimming, Water Recreation

• 543.

Pool & Hot Tub Foundation

The Pool & Hot Tub Alliance is the world's oldest and largest international trade association for the swimming pool, spa and hot tub industry.

Knights of Peter Claver

Founded by priests from @TheJosephites and parishioners from @HOMparishMobile, we are the oldest and largest Black Catholic organization in the United States.

Naval Submarine League

The primary mission of the Naval Submarine League is to promote awareness of the importance of submarines to U.

Pool and Hot Tub Alliance

The Pool & Hot Tub Alliance is the world's oldest and largest international trade association for the swimming pool, spa and hot tub industry.

• Private Grantmaking Foundations

• 547.

Ed Nef Foundation

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• Human Services - Multipurpose & Other N.E.C.

• 548.

Argentum Foundation

Argentum is the leading national trade association serving companies that own, operate, and support professionally managed senior living communities.

• Community/Neighborhood Development, Improvement

• 549.

NATIONAL ASSOCIATION OF

NAPEO is the voice of the professional employer organization (PEO) industry.