 Tetra Tech Inc NASDAQ: TTEK has secured a 16.9 million task order to provide application development, modernization, enhancement services, and other technical support under its 169 million contract with the U.S. Department of Labor, Bureau of Labor Statistics BLS. Under the five-year task order, Tetra Tech Federal IT Services Group will provide complete lifecycle technology services to support BLS in collecting, analyzing, and disseminating essential economic information to support public and private decision-making. 