 PASADENA, Calif.--BUSINESS WIRE--Tetra Tech, Inc. NASDAQ: TTEK, a high-end consulting and engineering firm, announced today that it has further expanded its advanced analytics business with the addition of Coanda Research Development Corporation, based in Burnaby, British Columbia. Coanda brings a suite of industry-leading capabilities to solve complex engineering science problems for commercial customers, across a broad range of industries. Coandas research scientists and engineers 