Our business approach is to understand our client's process and to incorporate their process into our work. We establish and grow relationships with our clients and we take-on the customers perspective. Teamwork moves the project forward in a focused direction. Only through working as a team can we achieve a high level of quality and to complete the project on time and within budget.

Tiernan & Patrylo offers a variety of professional services that are not typically found in a single firm. Our approach is multi-disciplined, fusing expertise in consulting, architecture, engineering and construction disciplines. Our business has grown to serve more than 200 clients in the United States and Canada with construction projects ranging from equipment installations to process upgrades to designing and constructing Greenfield facilities.

Our capabilities are strengthened by specialized discipline expertise from traditional architecture, engineering services, construction and design-build programs, to specialized consulting, self-perform industrial and process services team, Tiernan & Patrylo is your full service engineering and construction company.