| Publishers | date of establishment or country or city |
|---|---|
| Jex Max Publication | 1969-12-25 |
| BPP Publication | 1985-10-01 |
| New Harrold Publication | 1975-09-05 |
| Ultra Press Inc. | 1948-07-10 |
| Mountain Publication | 1975-01-01 |
| Summer Night Publication | 1990-12-10 |
| Pieterson Grp. of Publishers | 1950-07-15 |
| Novel Publisher Ltd. | 2000-01-01 |