I have only used Serano Serostim from the USA,but hers some others:
Genotr, genotonorm, geno Kabi quick and Genotropin by Kabi Pharmacies
Chinese Generic, a Chinese Export
Humatrope by Lilly
Norditropin and Nordotrip pen sets by Nordisk or novo-Nordisk
Nutropin, Nutropin AQ and Protropin by Genentech
Serostim and Saizen by Serono
Somatohorm by Biomed and Kabi-Vitrum
Somatotropin, a Russian Export
Zomacton by Ferring
Equigen, a horse GH that has been discontinued
Later