Executive Management

  • Bryan DeWitt, President
  • Don Petty, Executive Vice President
  • Chris DeWitt, Vice President – Preconstruction
  • Matt DeWitt, Vice President – Operations
  • Pete DeWitt, Vice President – Purchasing
  • Jeff Randall, Vice President
  • Michelle Treguboff, Office Manager

Pre-Construction Services

  • Chris DeWitt, VP – Pre-Construction and Sales Manager

Project Management

  • Matt DeWitt, VP – Operations
  • Jeff Randall, VP – Senior Project Manager
  • Mark Lenhardt, Project Manager
  • Rick Garcia, Project Manager
  • Brian Randall, Project Manager
  • Brandon Fitts, Project Manager
  • Scott Swayzee, Project Manager
  • Cris Holder, Project Manager
  • Aaron Seymour, Project Manager


  • Pete DeWitt, VP – Purchasing


  • Jeff Nordstrand, Safety Manager – Alliance Safety

HVAC Service

  • Alex Vazquez, HVAC Service Manager

Plumbing Service

  • Gus Monteverde & John Szoke (interim), Plumbing Service Manager


Mission Statement

W. D. Manor is committed to uncompromised quality and service. We provide the best possible mechanical contractor products, services and leadership. We emphasize teamwork, unparalleled training and development of our employees with continuous improvement in everything we do.

Need Support Now?

W.D. Manor provides Client Support:

  • 24 hours a day
  • 7 days a week
  • 365 days a year

Call now: (602) 253-0703

Contact W.D. Manor

1838 North 23rd Avenue Phx, AZ 85009
Phone: (602) 253-0703

Monday - Friday 8am–6pm

Contact Us