• Alliance/Advocacy Organizations

• 118.

Heat Exchange Institute

TO PROMOTE AND FURTHER THE INTEREST OF MANUFACTURERS OF HEAT EXCHANGE AND VACUUM APPARATUS AND THE INTERESTS OF THE PUBLIC IN MANUFACTURING, ENGINEERING, SAFETY, TRANSPORTATION AND OTHER ITEMS OF INTEREST IN THE INDUSTRY.

• Labor Unions/Organizations

• 119.

Heat & Frost Insulators & Allied Workers Lmc Fund

The Insulators Labor Management and Cooperative Trust (LMCT) is a labor and management organization, which advocates for the mechanical insulation industry.

• Swimming, Water Recreation

• 120.

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.

• Professional Societies & Associations

• 121.

Mechanical Contractors Association of Metropolitan Washington

Dedicated to advancing the mechanical contracting industry in Washington, DC, Maryland, and Northern Virginia.

Mechanical Industries Council

MCAG is a national organization for the betterment of an industry that performs the largest segment of mechanical construction work.

• Labor Unions/Organizations

• 123.

Pipe Trades Apprenticeship Tr Fund Building 1

PROVIDES EDUCATIONAL INSTRUCTION IN ORDER TO TRAIN PLUMBERS.

• Cancer Research

• 124.

Thomas M Duckworth Foundation

PAUL Tech US PAUL Tech US Slash energy bills no upfront cost or hassle PAUL Tech US PAUL Tech US Slash energy bills no upfront cost or hassle Trusted by leading global brands Effortlessly save up to 30 on your heating and cooling costs 01 ProvenImpact 80k residential units 2.

• Labor Unions/Organizations

• 125.

United Association of Journeymen & Apprentices of the Plumbing & Pipe

Representing 385,000 Union Plumbers, Fitters, Welders and Service Technicians.

• Promotion of Business (Chambers of Commerce)

• 126.

MADISON ASSOCIATION OF PLUMBING

A non-profit contractor association, with a mission to provide great customer service while meeting the needs of our members and providing resources.