Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000914208-09-000265
Filing Date
2009-02-12
Accepted
2009-02-11 19:09:33
Documents
1

Document Format Files

Seq Description Document Type Size
1 TETRA TECH INC. tetrasch13ga.htm SC 13G/A 46073
  Complete submission text file 0000914208-09-000265.txt   48293
Mailing Address 3475 EAST FOOTHILL BOULEVARD PASADENA CA 91107
Business Address 3475 EAST FOOTHILL BOULEVARD PASADENA CA 91107 6263514664
TETRA TECH INC (Subject) CIK: 0000831641 (see all company filings)

EIN.: 954148514 | State of Incorp.: DE | Fiscal Year End: 0930
Type: SC 13G/A | Act: 34 | File No.: 005-43035 | Film No.: 09591209
SIC: 8711 Services-Engineering Services

Mailing Address 1555 PEACHTREE STREET NE SUITE 1800 ATLANTA GA 30309
Business Address 1555 PEACHTREE STREET NE SUITE 1800 ATLANTA GA 30309 404-892-0896
Invesco Ltd. (Filed by) CIK: 0000914208 (see all company filings)

EIN.: 980557567 | State of Incorp.: D0 | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 6282 Investment Advice