MFRI, INC. FORM 10-K

Company

Perma-Pipe International Holdings, Inc.

Filed

May 1, 2008

Period of Report

January 31, 2008

Accession Number

0001169232-08-001793

A 10-K is a company's comprehensive annual report, required by the SEC. It includes audited financial statements, a description of the business, risk factors, and management's discussion of results. Learn more about 10-K filings →