List of publishers with date of establishment, current date of establishment and how old their publishing houses are:

Publisher's nameDate of establishmentCurrent dateAGE
Jex Max Publication1969-12-252025-07-0555
BPP Publication1985-10-012025-07-0539
New Harrold Publication1975-09-052025-07-0549
Ultra Press Inc.1948-07-102025-07-0576
Mountain Publication1975-01-012025-07-0550
Summer Night Publication1990-12-102025-07-0534
Pieterson Grp. of Publishers1950-07-152025-07-0574
Novel Publisher Ltd.2000-01-012025-07-0525