Who We Are

Since June 1, 1947, Patterson & Dewar Engineers, Inc. has delivered best-in-class electrical and civil engineering and construction management services, specializing in designing and evaluating vital infrastructures for clients across the U.S.

Patterson & Dewar is an employee-owned company. We embrace a culture of continuous learning and professional development. Many of our employees have spent their entire careers with P&D, honing and perfecting approaches to exceeding our client’s expectations. Others who worked within the industries we serve prior to joining our team, now broaden our collective perspective and areas of expertise. Our recent grads and interns provide a fresh perspective and enthusiasm that fuels innovation and teamwork. Together, our employees offer a deep pool of technical experience to draw from, and our in-house and field training programs help us sustain our tradition of excellence and continue to serve our client’s evolving needs for years to come.

At Patterson & Dewar, we approach each project with an unyielding commitment to excellence and integrity. These guiding principles, upon which we have built our reputation, continue to make Patterson & Dewar a valued partner to the clients we proudly serve.