Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000897069-12-000190
Filing Date
2012-02-14
Accepted
2012-02-14 10:16:08
Documents
1

Document Format Files

Seq Description Document Type Size
1 cg094.htm SC 13G/A 105831
  Complete submission text file 0000897069-12-000190.txt   107422
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)

EIN.: 363922969 | State of Incorp.: DE | Fiscal Year End: 0131
Type: SC 13G/A | Act: 34 | File No.: 005-43197 | Film No.: 12603513
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)

EIN.: 363538658 | State of Incorp.: IL | Fiscal Year End: 1031
Type: SC 13G/A