| Name | Count | Years active |
|---|---|---|
| Gregg | 776 | 1071, 1939, 1965-1974, 1989 |
| Gregg International | 159 | 1728, 1796, 1900, 1912, 1939, 1966, 1968-1974, 1978, 1984, 1987 |
| Gregg International Publishers | 68 | 1968-1973 |
| Gregg Internat. | 19 | 1967-1972 |
| Gregg Press | 8 | 1962, 1964-1965, 1969, 1971-1972 |
| Gregg International Pub. | 6 | 1969, 1971-1972, 1980 |
| British Theses Service | 4 | 1989-1990 |
| Gregg International Publishers Limited | 3 | 1970-1971, 1973 |
| Gregg P | 2 | 1970 |
| GreggInternational | 2 | 1969, 1972 |