Harviala Oy ni mtoa ya bidhaa na huduma kama vile miti, mazingira, mapambo,bonsai miti,miti, mazingira, mapambo, chombo mzima,misitu na vichaka, mapambo, mashirika yasiyo ya maua,misitu na vichaka, mapambo, maua,mimea, mapambo, evergreen,aucubas,azaleas,a miti,fuchsias,hibiscuses,hydrangeas,lavender mimea,mguruka,rhododendrons,rose misitu,vipandikizi na shina, rose, kwa grafting.