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Tiernan & Patrylo, Inc. Contractors | Engineering | 110% Club

665 Highway 74 South, Suite 100
Peachtree City, GA 30269
(770) 632-0828
Fax: (770) 632-9604
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who to contact

Mr. Mark Wright · Senior Vice President · Phone:(770) 632-0828  · Fax(770) 632-9604 · Send an Email

about us

Tiernan & Patrylo, Inc. is a design, engineering and construction firm established in 1984. Headquartered in Peachtree City, GA, we were recently ranked as the 77th largest construction management firm by ENR magazine. Our principals are licensed professional engineers who are actively involved in every project. Each job is staffed with a Project Manager and superintendent, to provide continuity from the conceptual phase through to completion and start-up of the facility, appropriate design team professionals, each a licensed engineer or architect, and supporting office staff.


  • Management Services Group
  • Process Group
  • Design Group
  • Commercial Projects
  • Spotlight Project