Locations
Headquartered in the historic millyard of Manchester, New Hampshire (USA), we have completed many projects throughout the United States and have southern headquarters in Oviedo, Florida.
Pease International Tradeport
183 International Drive, Suite 200
Portsmouth, NH 03801
From the blog
Learn about ongoing projects and the innovative processes we employ for our clients.
!["[At Hoyle Tanner] there is a strong encouragement to keep growing professionally, and no one hesitates to help when you have questions or are learning something new. That positive approach to development creates an environment where people feel comfortable challenging themselves and building new skills." - Marko Salih](https://hoyletanner.com/wp-content/uploads/2026/07/Featured-Images_Marko.jpg)
Intern Spotlight: Marko Salih
July 16, 2026
Meet Marko Salih – Southeast Aviation Intern & Avid New York Knicks fan What drew you to Hoyle Tanner? The opportunity to focus on airport engineering and design was...
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From Concept to Construction: Lessons from the Van Buren Route 1 Reconstruction
July 15, 2026
For transportation agencies, successful project delivery extends well beyond developing plans and specifications. The most challenging risks often emerge after a project moves beyond concept development. Drainage conditions evolve....
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Employee Spotlight: Bailey Jackson
July 13, 2026
July Employee Anniversaries
July 1, 2026
Celebrating the Outdoors with National Parks & Rec Month
July 1, 2026
Happy Parks and Recreation month! This month, we celebrate some cornerstones of our communities. When you think of public parks, maybe you think of Leslie Knope on the comedy...
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Employee Spotlight: Sarah Foy
June 22, 2026
Meet Sarah Foy – Environmental Engineer & Wastewater Systems Advocate What drew you to Hoyle Tanner? The people! I worked in Matt Scarborough’s research lab in undergrad and heard...
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