Jelovica Okna ni mtoa ya bidhaa na huduma kama vile weatherstrips, mbao, kwa milango na madirisha,dirisha muafaka, gundi laminated mbao (glulam),dirisha muafaka, mbao, ukanda,dirisha muafaka, mbao, moto sugu,dirisha vitengo, composite kuni-chuma, kamili,shutters, kukunja na sliding, mbao.