Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000914208-09-000045
Filing Date
2009-01-09
Accepted
2009-01-09 15:55:41
Documents
2

Document Format Files

Seq Description Document Type Size
1 NORTHWEST PIPE COMPANY northwest010909.htm SC 13G 47525
2 JOINT FILING AGREEMENT jointfilingagr010909.htm EX-99 31611
  Complete submission text file 0000914208-09-000045.txt   81370
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
SIC: 6282 Investment Advice

Mailing Address 12005 N BURGARD P O BOX 83149 PORTLAND OR 97203
Business Address 12005 N BURGARD P O BOX 83149 PORTLAND OR 97203 5032851400
NORTHWEST PIPE CO (Subject) CIK: 0001001385 (see all company filings)

EIN.: 930557988 | State of Incorp.: OR | Fiscal Year End: 1231
Type: SC 13G | Act: 34 | File No.: 005-44989 | Film No.: 09518779
SIC: 3317 Steel Pipe & Tubes