• Services
  • Mechanical Engineering
  • Electrical Engineering
  • Plumbing Design
  • Fire Protection
  • CAD / BIM / Navisworks
  • Projects
  • K-12 Education
  • Higher Education
  • Healthcare
  • Municipal / Government
  • Corporate
  • Sustainable Design
  • LEED / WELL/ Energy Star
  • About Us
  • Contact
  • Awards
  • Firm Profile
  • Current News
  • Our People
  • Steve W. Campbell, PE LEED AP
  • John Tomaszewski
  • Jason Vincik, PE LEED
  • Stacie C. Gado
  • Tom Butkovich, PE
  • Patrick Laster
  • Zane Weaver, PE
  • Billy Langdon
  • David Lowry
  • Gray Smith
  • J.P. Witcher
Progressive Design Collaborative, Ltd.
  • Services
  • Mechanical Engineering
  • Electrical Engineering
  • Plumbing Design
  • Fire Protection
  • CAD / BIM / Navisworks
  • Projects
  • K-12 Education
  • Higher Education
  • Healthcare
  • Municipal / Government
  • Corporate
  • Sustainable Design
  • LEED / WELL/ Energy Star
  • About Us
  • Contact
  • Awards
  • Firm Profile
  • Current News
  • Our People
  • Steve W. Campbell, PE LEED AP
  • John Tomaszewski
  • Jason Vincik, PE LEED
  • Stacie C. Gado
  • Tom Butkovich, PE
  • Patrick Laster
  • Zane Weaver, PE
  • Billy Langdon
  • David Lowry
  • Gray Smith
  • J.P. Witcher
Steve W. Campbell, PE LEED AP
President
John Tomaszewski
Director of Electrical Engineering
Jason Vincik, PE LEED
Senior Mechanical Engineer
Stacie C. Gado
Director of Office Operations
Tom Butkovich, PE
Electrical Engineer
Patrick Laster
Plumbing Designer
Zane Weaver, PE
Construction Administration
Billy Langdon
CAD/Electrical Design
David Lowry
BIM Manager
Gray Smith
Electrical Designer
J.P. Witcher
Mechanical Designer
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