World Environment Center is an independent, global non-profit, non-advocacy organization that advances sustainable development through the business practices of member companies and in partnership with governments, multi-lateral organizations, non-governmental organizations, universities and other stakeholders.

The World Plumbing Council (WPC) is an international organization which aims to develop and promote the image and standards of the plumbing Industry worldwide. World Plumbing Day is an international event on March 11 every year, initiated by the World Plumbing Council as a means of highlighting the important role plumbing plays in the health, safety and sustainability of the community.

XNRGY engineers and manufactures HVAC systems focused on low sound and vibration levels, data center efficiency, and power usage effectiveness while supporting LEED certification in a wide range of applications.

Celebrating over 50 years of business, Yorkland Controls has roots in distributing and warehousing heating control products, such as Flame Safeguard and Burner and Boiler Management Systems. Over the past several years, they have expanded into Building Automation, Security and Lighting Integration, and Smart Building Platforms.

With state of the art manufacturing facilities grounded in the indispensable conditions of research and innovation, Zeco Aircon develops and designs the machines with cutting edge features and vigorous capacities to deliver, the best quality of air all can breathe. They provide AHU, FCUs, Air Wahers, Air Scrubbers, Metallic Pre Factory Fabricated Ducting/ Pre Insulated Ducting, Pre Insulated Pipes, Cooling Coils, and Chemical Filtration.

Zettler Controls Inc. is a US-based renowned HVACR component manufacturer with an extensive offering of relays, thermostats, transformers, heat sequencers, temperature sensors, and fan centers.

Zhejiang SinoKing Air-conditioning & Refrigeration Co.,Ltd. is one of the largest central air-conditioning manufacturer in Zhejiang Province of China. They are specialized in design, manufacture, sales and services of central air conditioning full range of products.

Zimmer's Heating & Cooling business has expanded to include residential, retail, and commercial heating and cooling.