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Filing Detail
Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
SEC Accession No. 0000897069-17-000109
Filing Date
2017-02-14
Accepted
2017-02-14 14:36:56
Documents
1

Document Format Files

Seq Description Document Type Size
1 cg874.htm SC 13G/A 69243
  Complete submission text file 0000897069-17-000109.txt   70850
Mailing Address 6410 WEST HOWARD STREET NILES IL 60714
Business Address 6410 WEST HOWARD STREET 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.: 17607231
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