The Dark Man #1 - #4 were published by Necronomicon Press

 The Dark Man #5 - #7 were published by Mind's Eye HyperPublishing/Iron Harp Publications

The Dark Man #7 (2nd edition) - #9 were published by Seele-Brennt Publications

The Dark Man #12 (2nd edition)- Volume 7 Number 1 (#17) were published by University of La Verne

The Dark Man #19 and #20 were published by CreateSpace