<SEC-DOCUMENT>0001437749-22-012878-index.html : 20220621 <SEC-HEADER>0001437749-22-012878.hdr.sgml : 20220621 <ACCEPTANCE-DATETIME>20220518103706 <PRIVATE-TO-PUBLIC> ACCESSION NUMBER: 0001437749-22-012878 CONFORMED SUBMISSION TYPE: CORRESP PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20220518 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Perma-Pipe International Holdings, Inc. CENTRAL INDEX KEY: 0000914122 STANDARD INDUSTRIAL CLASSIFICATION: INDUSTRIAL & COMMERCIAL FANS & BLOWERS & AIR PURIFYING EQUIP [3564] IRS NUMBER: 363922969 STATE OF INCORPORATION: DE FISCAL YEAR END: 0131 FILING VALUES: FORM TYPE: CORRESP BUSINESS ADDRESS: STREET 1: 6410 WEST HOWARD STREET CITY: NILES STATE: IL ZIP: 60714 BUSINESS PHONE: 8479661000 MAIL ADDRESS: STREET 1: 6410 WEST HOWARD STREET CITY: NILES STATE: IL ZIP: 60714 FORMER COMPANY: FORMER CONFORMED NAME: MFRI INC DATE OF NAME CHANGE: 19970402 FORMER COMPANY: FORMER CONFORMED NAME: MIDWESCO FILTER RESOURCES INC DATE OF NAME CHANGE: 19970402 </SEC-HEADER> <DOCUMENT> <TYPE>CORRESP <SEQUENCE>1 <FILENAME>filename1.htm <TEXT> Document 1 - file: filename1.htm
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