Name  | active from | active to | |
| Grossmann, Jiri | 1960 | 1971 | |
| Grun, Dusan | 1960 | 1995 | |
| Grunik | | | |
| Gulo car | 1997 | | |
| Gult, Karel | | | |
| Gun Dreams | 1988 | | |
| Guncikova, Gabriela | 2011 | | |
| Guns | 1990 | | |
| Habartova, V. | | | |
| Habera, Pavol | 1980 | | |
| Hagen Baden | 1992 | 1993 |  |
| Haifa | | | |
| Hajdovsky, Lesik | 1980 | | |
| Hajnis, Ivan | 1966 | | |
| Hala, Karel | 1955 | 2001 | |
| Hammel & Varga | 1971 | | |
| Hammel, Pavol | 1963 | | |
| Hammer, Jan | 1962 | | |
| Hanicinec, Petr | 1955 | 2007 | |
| Hansard, Glen | 1990 | | |
| Hanzelkova, Marie | | | |
| Hanzlova, Zuzana | | | |
| Hapka, Petr | | | |
| Hapka+Horacek | | | |
| Harlej | 1995 | | |
| Harlem | 1989 | 1993 | |
| Hartus | | | |
| Hasiaci pristroj | 1990 | | |
| Hassmann | | | |
| Havlovi, Vojtech a Irena | 1985 | | |
