Crematorium technicians, who incinerate the body and collect the ashes, make the least in the cremation services industry. Based on the national average, someone in this vocation can expect to earn about $21,000 a year.rematorium technicians, who incinerate the body and collect the ashes, make the least in the cremation services industry. Based on the national average, someone in this vocation can expect to earn about $21,000 a year.