David Bavisotto, LEED AP

Vice President, Business Development



Value Delivered

As vice president, David is responsible for the overall performance and operation of Illingworth-Kilgust Mechanical’s service group. In addition to overseeing and leading the strategic direction of the service division, he identifies new business opportunities, directs planning activities, and establishes organizational policies and procedures, while also being responsible for the financial performance of the department.

In addition to developing new business and retaining and expanding business with existing customers, David is also responsible for building and training Illingworth-Kilgust’s staff of professional sales and operations individuals. Together they offer clients highly skilled expertise, delivering quality work at fair prices. David has leveraged his vast background in mechanical services to build and foster relationships where clients now view Illingworth-Kilgust as a true partner in their organization.

Collaboratively, David helps clients to find the best commercial energy, facilities, and maintenance solution to meet their requirements while providing them with improved cost control and maximizing the return on their facilities investment.


Backed by more than 24 years of mechanical systems service industry experience, David specializes in providing solutions that maintain and improve customer environments. Using his sales and operations expertise, his team develops optimum preventive maintenance solutions that avoid costly breakdowns and extend equipment life. In addition, through properly scheduled maintenance inspections, he helps customers identify and project future capital expenditures.

David studied general business at the University of Wisconsin-Whitewater and the University of Wisconsin-Oshkosh. He is on the HVAC advisory board at Ferris State University and has served on the advisory board for Milwaukee Area Technical College.

An active member and past officer of the Mechanical Service Contractors of America (MSCA), he was elected to the organization’s board of managers in 2006 and was named treasurer in 2007, vice chairman 2008 and served as National Chairman in 2009. He has served on the organization’s national marketing committee since 2001 including committee chairman. He has also taken the U.S. Green Building Council's LEED (Leadership in Energy and Environmental Design) course and is a LEED - accredited professional.

The Personal Side

In addition to spending his leisure time with his wife and two children, David enjoys sports, boating, and traveling.