About Us

Founded in 2017, Annex Engineering Group (Annex) is a service-oriented engineering firm located in Columbus, Ohio, which offers mechanical, electrical, plumbing, and fire protection coordination engineering solutions. The name “Annex” was selected to affirm the goal of grafting into a design team that accomplishes a client’s vision for their project. Annex prides itself in being a highly responsive team that provides reliable and flexible solutions to the varied needs of its clients, which range from office remodels, multi-family, and restaurants to manufacturing/ industrial and highly technical historical renovations.

Annex consists of an efficient team of engineering associates that works collaboratively with clients, consultants, and vendors. Clients return to Annex because of our ability to listen and understand the needs of each client at each location for each building type. At Annex, success is not measured by the quantity of projects, but by the quality of work and the relationships formed and maintained. Annex Engineering Group is committed to providing the best possible service to your team with an enthusiastic staff to help you be successful in reaching your goals.