LAUREL MD – October 11, 2007 – National engineering consulting firm Greenhorne & O'Mara (G&O), announces the acquisition of SCR Surveying & Mapping, Inc., a Florida-based surveying firm. SCR has a 26-year history of land surveying and mapping services in Northwest Florida. G&O has had a presence throughout Florida for many years in support of major highway projects, development, water resources and environmental initiatives, and hazard mitigation and security assessment and planning.

G&O Chairman and Chief Executive Officer John J. Healey, Ph.D., P.E., said, “As a firm that has supported Florida’s growth and development, G&O has a stake in the successful expansion of this region. SCR will be a great addition to the G&O team, and we are looking forward to building on the relationships with the private and public sectors that both G&O and SCR have established. With the Northwest region’s strengthening economy and rapid growth – especially the Bay CountyPanama City metropolitan region - this acquisition will expand G&O’s capacity to support our clients.”

Founded in 1981, SCR Surveying and Mapping, Inc. is a 14-person firm that provides land surveying and mapping services. Skipper Rutherford, PLS, founder of SCR said, “We feel that this is the right choice for SCR. With our collective competencies, the new G&O Panama City office is well-positioned to offer expanded services to our existing and future clients.” Mr. Rutherford will remain with the company and serve as the branch manager, and the existing SCR staff will carry on normal operations and client service in the Panama City office.

Greenhorne & O’Mara is a national, full-service engineering consulting firm that has provided general civil, transportation, environmental, water resources, and hazard mitigation and security solutions for more than 55 years. G&O is ranked among the top 25 percent of the country’s leading engineering consulting firms by Engineering News Record. With 16 offices in Florida, Georgia, Maryland, North Carolina, Pennsylvania, Virginia and West Virginia, the firm provides a comprehensive range of services throughout the U.S. and abroad to public and private sector clients.