Tetra Tech, Inc. provided earnings guidance for the third quarter and full fiscal year 2021. Tetra Tech expects EPS for the third quarter of fiscal 2021 to range from $0.85 to $0.90 and net revenue to range from $600 million to $650 million. For fiscal 2021, Tetra Tech is increasing its guidance outlook and now expects EPS to range from $3.60 to $3.70 and net revenue to range from $2.45 billion to $2.55 billion.