Founded in 1966, Stanley D. Lindsey and Associates, Ltd. (SDL) is a full-service consulting and structural engineering firm with offices in Nashville, Atlanta, and Charlotte. Our services include Structural Design, Sustainable Design, Erection Engineering, Seismic Assessment and Rehabilitation, Construction Administration, Peer Reviews, Renovations, Disaster Assessments and Forensic Investigations.


With over 57 years of experience in the design, evaluation and retrofit of structures, SDL has an extensive portfolio including mixed-use, corporate, commercial, retail, parking, hospitality, education, residential, aviation, healthcare, government, sports and recreation, religious, cultural, historic renovation, industrial, and specialty structures. Our engineers are registered in 46 states, the District of Columbia, Puerto Rico, and the U.S. Virgin Islands and consult with clients throughout the United States and abroad.