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Content analysis
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New words:
abandon, added, Aid, AMT, analyze, bring, budget, carryback, CBE, certified, chain, choose, cleaning, collapse, combat, commencement, consumption, correction, corridor, deliver, deviate, deviation, disaster, disproportionate, distancing, drastically, dropped, Egypt, Egyptian, enhanced, escalation, extraordinary, failed, forgivable, home, implicit, improper, imputed, inappropriate, investigation, landlord, lessor, longevity, month, outbreak, pandemic, Paycheck, piece, premised, reach, reforecast, reinsurance, released, Relief, remotely, request, requested, restored, ROU, Russian, scrutiny, shut, shutdown, slowdown, spread, stabilization, steep, stem, stranded, Supplemental, temporarily, timeframe, travel, type, undertook, unprecedented, viable, visibility, voluntarily, workforce, Wuhan
Removed:
acquirer, Albert, announcement, assumed, authoritative, Basin, buy, buyer, clarifying, combined, composed, concurrence, consummated, criteria, delinquent, delivery, determinable, diameter, discontinued, EACOP, earned, electrically, evaluate, exchanged, French, heavy, hold, implemented, IRS, iv, Km, knowledge, Lake, long, longest, met, mile, offer, Offshore, owner, paragraph, partner, partnership, persuasive, port, profitable, redeem, redeemed, rendered, repurchase, requirement, retrospectively, seasonal, separately, sizable, strong, surviving, Tanga, Tanzania, tender, traced, Tullow, Uganda, unprofitable, void, vote
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Exhibit 21
SUBSIDIARIES OF REGISTRANT
MFRI Holdings (B.V.I) Ltd (British Virgin Islands)
Midwesco Filter Resources, Inc. (Delaware corporation)
MM Niles, Inc. (Delaware corporation)
Perma-Pipe, Inc. (Delaware corporation)
Perma-Pipe Canada, Inc. (Delaware corporation)
Perma-Pipe Canada, 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 Egypt for Metal Fabrication and Insulation Industries (Perma-Pipe Egypt) S.A.E. (Egypt)
Perma-Pipe Oil Field Services LLC (United Arab Emirates)
Perma-Pipe Saudi Arabia, LLC (Kingdom of Saudi Arabia)