Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000914208-11-000521
Filing Date
2011-12-12
Accepted
2011-12-12 11:01:27
Documents
1

Document Format Files

Seq Description Document Type Size
1 INSITUFORM TECHNOLOGIES, INC. insituformtech11302011.htm SC 13G/A 38755
  Complete submission text file 0000914208-11-000521.txt   40902
Mailing Address 17988 EDISON AVENUE CHESTERFIELD MO 63005
Business Address 17988 EDISON AVENUE CHESTERFIELD MO 63005 6365308000
Aegion Corp (Subject) CIK: 0000353020 (see all company filings)

EIN.: 133032158 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-35120 | Film No.: 111255316
SIC: 1623 Water, Sewer, Pipeline, Comm & Power Line Construction

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