W. L. Gary Company, Inc. is a full-service Mechanical Contractor specializing in providing complete solutions for clients in the Washington, DC, Maryland, and Northern Virginia, regions of the USA. As a family-owned and operated business, they understand the value of a reputation built on quality work and attentive customer care.

Water Heaters Now is the go-to water heater installation company for same-day service. They specialize in water heater replacement, tankless water heaters, and commercial water heaters. Their team provides the best professional-grade units for their customers.

Wateraid UK are determined to make clean water, decent toilets and good hygiene normal for everyone, everywhere within a generation. By inspiring people and sparking chain reactions, they help deliver lasting change. By working closely with partners internationally and on the ground in some of the toughest places in the world, they have helped millions of people take control of their lives and build better futures.

Waterloo Filtration Institute (WFI) is dedicated to developing advanced filtration and separation solutions for a clean and sustainable world. They have over 40 years of extensive experience in the field and aim to serve the industry with the most comprehensive Education Program for Filtration & Separation Specialist Certification, Filter Product Certification, and Research & Development.

Weil Pump is the premier wastewater pump manufacturer in the U.S. Weil specializes in submersible & vertical, grinder & slicer, vortex, condensate, dry-pit, and centrifugal pumps. In addition, Weil manufactures pump accessories such as control panels, level controls, basin covers, quick-removal systems, valve assemblies, and reverse-flow systems.

WM Buffington Co. is a family-owned business that has been providing quality heating and cooling services to the Central Pennsylvania area since 1952. For 66 years, their team of experts have dedicated themselves to providing fast, professional work with superior customer service.

Wolfe Innovations prides itself in being the best overall in HVAC customer service, low competitive prices, and trustworthiness.

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.

XCI Zoning was founded to provide the latest and newest technologies and ideas to provide better comfort and better control of the HVAC system. Specializing in forced air zoning, XCI has designed systems that enable HVAC systems to deliver greater comfort and reduced energy consumption.

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.

Yardi is dedicated to the design, development, and support of real estate investment management and property management software solutions. They offer full business solutions for every real estate market, including multi-family, single family, affordable, public, senior and military housing as well as office, industrial, and retail market segments.

ellow Transports was created in 2009. The company is part of the ACMG Finance group. The quality of the service of this young company is beyond doubt. Listening to its customers and employees makes Yellow Transports the company of tomorrow.

Zukunft Erdgas (Future of Gas) is the initiative of the German gas industry. They represent the brand and the product natural gas, as well as green gas and are contacts for politics, market partners, consumers and the media. They are involved in natural gas, power generation, heating market, heating, biogas, biomethane, hydrogen, power plants, fuel cells, LNG and power-to-gas technologies.