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Tetra Tech TTEK Business Segments

Income StatementBalance SheetCash FlowRatiosSegments
QuarterlyAnnualTTM
YoYQoQ
SimplifiedDetailed
Q2 '26Q1 '26Q4 '25Q3 '25Q2 '25
Segment Reporting, Other Segment Item, Amount by Business
CIG$519.12M-1.3%$526.15M—————$470.3M-2.2%
GSG$383.61M+6.4%$360.69M—————$484.53M-12.8%

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Questions, answered.

How does Tetra Tech break its business down?
Tetra Tech (TTEK) reports segment reporting, other segment item, amount by business across 2 parts — CIG and GSG. Each is extracted from the segment footnotes and tracked over time.
Where does Tetra Tech's segment data come from?
Segment breakdowns are pulled from the segment footnotes in Tetra Tech's SEC filings (the XBRL dimensional tags), so every line ties back to a reported figure. Switch between quarterly, annual, and TTM, or open any segment for its full history.