http://gulfstrategic.com/gc/wp-content/uploads/logo_final.jpg00PR PRhttp://gulfstrategic.com/gc/wp-content/uploads/logo_final.jpgPR PR2020-01-01 16:28:252020-01-01 17:06:09Tetra Tech, Inc. (NASDAQ:TTEK) Expected to Post Quarterly Sales of $608.67 Million - Riverton Roll