- O'Brien/Atkins Associates, PA, is an architectural/engineering firm, with corporate headquarters in the Research Triangle Park area of North Carolina. Founded in 1975 by William L. O'Brien, Jr., FAIA, John L. Atkins, III, FAIA, and C. Belton Atkinson, O'Brien/Atkins has distinguished itself as a leader in the design services industry.www.obrienatkins.com