We are Building Engineers whose mission is to provide clients with cost effective, energy efficient, and sustainable building designs. Allied Engineering has been providing superior engineering design services based in Maine since 1958.

  • We are a leader in energy efficient building design. Since before the term was even defined, we’ve been practicing green building design for years.  We have LEED Accredited professionals in each engineering discipline.
  • Over the years we’ve forged relationships with a long list of repeat clients in education, government, healthcare, cultural arts, hospitality, institutions, manufacturing, commerce, industry and retail.  We also have strong working relationships with architects, contractors and specialty consultants.

“For over 15 years Allied Engineering has been our go-to firm for any mechanical, electrical and structural engineering design needs for our office renovation projects.  We can depend on Allied Engineering for solid design solutions that are well thought out, energy efficient and practical.”

John Fox, Unum – NE Regional Planning Mgr., Corporate Planning & Construction

Certified Disadvantaged Business Enterprise (DBE) by MaineDOT and the Commonwealth of Massachusetts

Woman-Owned Small Business (WOSB)