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   1. FC Kaan-Marienborn 07
   Founded:  2007
   City:  Siegen
   Last Season:  Regionalliga - 2018/2019
   BV Borussia 09 Dortmund II
   Founded:  1909
   City:  Dortmund
   Last Season:  Regionalliga - 2018/2019

   DJK Teutonia Schalke
   Founded:  1921
   City:  Gelsenkirchen
   Last Season:   -
   DSC Arminia Bielefeld II
   Founded:  1905
   City:  Bielefeld
   Last Season:  Oberliga - 2017/2018

   FC Kaunitz
   Founded:  1946
   City:  Verl
   Last Season:   -
   FC Roj
   Founded:  2008
   City:  Dortmund
   Last Season:   -

   FC Wetter 10/30
   Founded:  1910
   City:  Wetter (Ruhr)
   Last Season:   -
   FK Sharri Dortmund
   Founded:  
   City:  
   Last Season:   -

   Hicretspor Dortmund
   Founded:  
   City:  
   Last Season:   -
   Hombrucher SV 09/72
   Founded:  2002
   City:  
   Last Season:   -

   Rot-Weiß Balikesirspor Dortmund
   Founded:  
   City:  
   Last Season:   -
   SC Greven 09
   Founded:  1909
   City:  Greven
   Last Season:   -

   SC Hassel 1919
   Founded:  1919
   City:  Gelsenkirchen
   Last Season:  Oberliga - 2017/2018
   SC Preußen Münster II
   Founded:  1906
   City:  Münster
   Last Season:   -

   SC Verl
   Founded:  1924
   City:  Verl
   Last Season:  DFB-Pokal - 2019/2020
   SC Westfalia Kinderhaus
   Founded:  1920
   City:  Münster
   Last Season:   -

   SC Wiedenbrück
   Founded:  2000
   City:  Rheda-Wiedenbrück
   Last Season:  Regionalliga - 2018/2019
   SpVg Olpe
   Founded:  1919
   City:  Olpe
   Last Season:   -

   SV Dersimspor Dortmund
   Founded:  
   City:  
   Last Season:   -
   SV Dortmund 1982
   Founded:  
   City:  
   Last Season:   -

   SV Lippstadt 08
   Founded:  1997
   City:  Lippstadt
   Last Season:  Regionalliga - 2018/2019
   SV Neubeckum 19
   Founded:  1919
   City:  Beckum
   Last Season:   -

   SV Rödinghausen
   Founded:  1969
   City:  Rödinghausen
   Last Season:  DFB-Pokal - 2019/2020
   TSC Eintracht Dortmund 1848/95
   Founded:  1969
   City:  Dortmund
   Last Season:   -

   TSV Marl-Hüls
   Founded:  1912
   City:  Marl
   Last Season:  Oberliga - 2017/2018
   TuS 05 Sinsen
   Founded:  
   City:  
   Last Season:   -

   TuS Altenberge
   Founded:  
   City:  
   Last Season:   -
   VfL Theesen
   Founded:  1949
   City:  Bielefeld
   Last Season:   -

   Vorwärts Epe 1923
   Founded:  1923
   City:  Gronau
   Last Season:   -
   VSW Wenden
   Founded:  1930
   City:  Wenden (Sauerland)
   Last Season:   -