Duane K. Stewart & Associates Inc. is a professional engineering consulting firm that helps public and private sector clients solve their problems by using the latest technology to develop innovative design solutions. Founded in 1979, the firm has been changing the face of the Triangle for more than two decades. Duane K. Stewart & Associates has significant experience, professional knowledge, and the technical capabilities to finish any project on schedule and within budget.

The firm is a privately held, corporation. With more than 20 in-house professional and technical personnel, clients throughout the southeastern and midwestern United State benefit from the staff’s multi-disciplinary professional knowledge and long-standing relationships with governing agencies. Duane K. Stewart & Associates’ client-focused philosophy and comprehensive approach to problem-solving make it a firm that stands out from the others.

To better serve a growing number of clients, Triangle Surveyors, Inc., operates as a sister corporation with access to Duane K. Stewart & Associates’ professional and technical resources. Completed surveys are delivered directly to the engineer, ensuring efficient transmission of data.