McKenzie Engineering Co., Inc., 305 Whitney Street Leominster, MA, founded in July of 1978, is a full service design and engineering firm servicing all phases of engineering and construction projects from conceptual design plans, renderings and preliminary plans to complete construction documents. We have been retained by a broad base of commercial, residential, industrial and government clientele for consultation, design services, and construction management.  


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Peter M. Reynolds, P.E., President of McKenzie Engineering Co., Inc, is a graduate of Northeastern University with a Bachelor of Science Degree in Civil Engineering, is a Registered Professional Engineer in Massachusetts, New York, New Hampshire, Rhode Island and New Jersey. Mr. Reynolds' 38 years of experience include the design of a wide variety of facilities including water and sewer pumping stations, major industrial installations, commercial and institutional buildings, as well mechanical, electrical, plumbing design and other areas of professional engineering. Mr. Reynolds specializes in Forensic Failure Analysis of building systems.


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Sam Squailia, LEED AP BD&C, is a graduate of New England Institute of Technology with a Bachelor of Science Degree in Architectural and Building Engineering and is pursuing a Master of Architecture degree at the Boston Architectural College in Boston. In her 16th year with the firm; current responsibilities include architectural design and project management, structural building planning and detail design, architectural consulting, and CAD drafting management. Ms. Squailia obtained her LEED Accredited Professional in Building Design & Construction credential in June 2008 & the Sustainable Building Design & Construction Certificate from the BAC in November 2011. 

Saara Cox, is a graduate of Norwich University in Vermont with a Master's of Architecture degree and a Bachelor of Architecture in Marketing & Business Administration. Currently responsible for architectural design and project management, architectural space planning and construction documents creation. 


Mackenzie Melo is a graduate of Rio Grande do Norte’s Federal University in Brazil, with a Bachelor of Science in Civil Engineering. He also holds an Associate Degree in Computer Science at Bunker Hill Community College and a Master’s Degree in Structural Engineering at UMass Lowell. Currently responsible for Structural Analysis and Design.

Brenda J. Forest, is office and business manager at McKenzie Engineering. Ms. Forest manages accounts receivable, billing and reception.

Our team

Peter M. Reynolds, P.E.

Sam Squailia

Saara Cox

Mackenzie Melo

Brenda Forest


Yvon Boucher


Frequently Used Consultants

Yvon J. Boucher, a graduate of the University of Massachusetts Lowell with a Bachelor of Science, worked as a Structural Engineer for Simpson Gumpertz & Heger Inc. in Waltham, Massachusetts as a Senior Engineer. Consultant for structural evaluation of existing buildings and general structural design for new and retrofit projects.

George Negrich, fire protection systems & sprinkler design consultant.