Attached files
| file | filename |
|---|---|
| EX-32 - EXHIBIT 32 CEO & CFO - Perma-Pipe International Holdings, Inc. | exhibit3210k2017.htm |
| EX-31.2 - EXHIBIT 31.2 CFO - Perma-Pipe International Holdings, Inc. | exhibit31210k2017.htm |
| EX-31.1 - EXHIBIT 31.1 CEO - Perma-Pipe International Holdings, Inc. | exhibit31110k2017.htm |
| EX-24 - EXHIBIT 24 - Perma-Pipe International Holdings, Inc. | exhibit24powerofattorney10.htm |
| EX-23 - EXHIBIT 23 - Perma-Pipe International Holdings, Inc. | exhibit23consent10k2017.htm |
| EX-10.(M) - EXHIBIT 10.(M) - Perma-Pipe International Holdings, Inc. | exhibit106thamendmenttobmo.htm |
| 10-K - 10-K PPIH - Perma-Pipe International Holdings, Inc. | ppih10k1-31x17.htm |
Exhibit 21
SUBSIDIARIES OF REGISTRANT
MFRI Holdings (B.V.I) Ltd (British Virgin Islands)
MFRI Luxembourg S.A. (Luxembourg)
Midwesco Filter Resources, Denmark A/S (Denmark)
Midwesco Filter Resources, Inc. (Delaware corporation)
MN Niles, Inc. (Delaware corporation)
Perma-Pipe, Inc. (Delaware corporation)
Perma-Pipe Canada, Inc. (Delaware corporation)
Perma-Pipe Canada, LTD. (Canada)
Perma-Pipe Canada Holdings, LTD (Canada)
Perma-Pipe India Pvt. Ltd. (India)
Perma-Pipe International Co. LLC (Delaware corporation)
Perma-Pipe Middle East FZC (United Arab Emirates)
Perma-Pipe Oil Field Services LLC (United Arab Emirates)
Perma-Pipe Saudi Arabia, LLC (Kingdom of Saudi Arabia)
TDC Filter Manufacturing, Inc. (Delaware corporation)
TC Niles, Inc. (Delaware corporation)