Over the years, it developed a national reputation and also had international clients. It opened regional offices and the six partner firm employed 250 employees. It became a public corporation, CRS Design Associates, Inc. in 1970 and had added engineering and construction divisions. It was listed on the American Stock Exchange in 1971. During the 1970's the firm became known for prestigious projects in the Middle East, including Saudi University of Petroleum and Minerals (now known as King Fahd University of Petroleum and Minerals) in Dhahran, which is notable for its contemporary Islamic design, and Riyadh University. The firm was also active in Kuwait and elsewhere in the Gulf States.