In 1984, Vertical Market Software (VMS) opened its doors to provide an integrated accounting and job costing system to general contractors throughout the country. VMS provides service, construction, and accounting software to software to contractors nationwide. They also offer a complete enterprise solution for efficient business management and optimization.

WDF Inc. (founded in 1929) is one of the plumbing, HVAC contracting and specialty general contracting companies. They have joined with Five Star Electric Corporation and Nagelbush Mechanical to form GreenStar Services Corporation as a diversified full service construction company.

WennSoft Inc. develops business software solutions that help HVACR companies manage labor-costs, schedule technicians and get invoices out quickly. Their inventory includes Service Management software for call management/dispatching, job costing software and project management software.

Whole Building Systems, LLC (WBS), established in 2010, is a best in class high performance building automation technology solutions developer and consultancy firm that uses state-of-the-art technologies and analytic tools such as Building Information Modeling (BIM) and process change strategies to assist clients in improving the performance of new and existing buildings including historic structures.

Wrightsoft Corp. offer easy to use, drag-and-drop HVAC design and sales software that combines both residential and commercial loads, CAD-quality ducts, proposals and in-home sales tools.

The Wyss Institute at Harvard University uses biological design principles to develop new engineering innovations that will transform medicine and create a more sustainable world. By emulating biological principles of self assembly, organization and regulation, they are developing disruptive technology solutions for healthcare, energy, architecture, robotics, and manufacturing, which are translated into commercial products and therapies.

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.