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Filing Detail
Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
SEC Accession No. 0000897069-11-000175
Filing Date
2011-02-08
Accepted
2011-02-08 14:16:06
Documents
1

Document Format Files

Seq Description Document Type Size
1 mfri1.htm SC 13G/A 105798
  Complete submission text file 0000897069-11-000175.txt   107802
Mailing Address 7720 LEHIGH AVE NILES IL 60714
Business Address 7720 LEHIGH AVE NILES IL 60714 8479661000
MFRI INC (Subject) CIK: 0000914122 (see all company filings)

IRS No.: 363922969 | State of Incorp.: DE | Fiscal Year End: 0131
Type: SC 13G/A | Act: 34 | File No.: 005-43197 | Film No.: 11581883
SIC: 3564 Industrial & Commercial Fans & Blowers & Air Purifing Equip

Mailing Address 300 SOUTH WACKER DRIVE SUITE 2880 CHICAGO IL 60606
Business Address 300 SOUTH WACKER DRIVE SUITE 2880 CHICAGO IL 60606 3126691650
PERRITT CAPITAL MANAGEMENT INC (Filed by) CIK: 0001279342 (see all company filings)

IRS No.: 363538658 | State of Incorp.: IL | Fiscal Year End: 1031
Type: SC 13G/A