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CIK 0000831641 · Large accelerated filer

TETRA TECH INC

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Ticker
TTEK
Exchange
Nasdaq
Industry
Services-Engineering Services
FY end
Sep 27
Incorporated
DE
Entity type
operating
EIN
954148514
Phone
6263514664
Business address
3475 EAST FOOTHILL BOULEVARD, PASADENA, CA, 91107
  1. S-3 Offering Registration Statement
  2. 10-K/A Report 10-K/A
  3. SC 13G Stake Amended Statement of Ownership
  4. SC 13G/A Stake Amended Statement of Ownership
  5. 10-Q Report Quarterly Report
  6. SC 13G/A Stake Amended Statement of Ownership
  7. SC 13G Stake Amended Statement of Ownership
  8. DEF 14A Proxy Proxy Statement
  9. 10-K Report Annual Report
  10. PRE 14A Proxy Proxy Statement (Preliminary)
  11. SC 13G/A Stake Amended Statement of Ownership
  12. S-8 Other Securities Offered to Employees in Benefit Plans
  13. 10-Q Report Quarterly Report
  14. 10-C Other 10-C
  15. SC 13G/A Stake Amended Statement of Ownership
  16. 10-Q Report Quarterly Report
  17. SC 13G/A Stake Amended Statement of Ownership
  18. SC 13G/A Stake Amended Statement of Ownership
  19. SC 13G/A Stake Amended Statement of Ownership
  20. SC 13G/A Stake Amended Statement of Ownership

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