PyroGenesis Canada appoints Perma-Fix Environmental Services CFO Ben Naccarato as an independent directorProactive Investors • 03/03/21
Perma-Fix to Participate in the Winter Wonderland Conference- Best Ideas from the Buy-SideGlobeNewsWire • 02/11/21
Perma-Fix Environmental Services, Inc. (PESI) CEO Mark Duff on Q3 2020 Results - Earnings Call TranscriptSeeking Alpha • 11/09/20
Perma-Fix Environmental Services, Inc. (PESI) CEO Mark Duff on Q2 2020 Results - Earnings Call TranscriptSeeking Alpha • 08/12/20
Perma-Fix Environmental Services, Inc. (PESI) CEO Mark Duff on Q1 2020 Results - Earnings Call TranscriptSeeking Alpha • 05/13/20
Perma-Fix Environmental Services, Inc. (PESI) CEO Mark Duff on Q3 2019 Results - Earnings Call TranscriptSeeking Alpha • 11/12/19
Perma-Fix Environmental Services, Inc. (PESI) CEO Mark Duff on Q1 2019 Results - Earnings Call TranscriptSeeking Alpha • 05/12/19
Bullish Thesis Remains Intact At Perma-Fix, Near Term Catalysts Could Drive Stock Materially HigherSeeking Alpha • 05/09/19
Perma-Fix Environmental Services, Inc. (PESI) CEO Mark Duff on Q4 2018 Results - Earnings Call TranscriptSeeking Alpha • 04/01/19