COLMAC, Colville, Wash., has elected SCOTT D. MCMILLAN chairman of the board of directors. McMillan represents the third generation of the family to lead the company. He succeeds his father, Roger, who retired in 2002 and remains on the board. McMillan's late grandfather, Jerry, founded COLMAC INDUSTRIES in 1957 and COLMAC COIL MANUFACTURING in 1971.
HANSEN TECHNOLOGIES CORP., Burr Ridge, Ill., appointed
PATRICIA PINDEL manager of human resources. Hansen manufactures components for industrial refrigeration systems, including sealed motor valves, control valves, shutoff valves, pressure-relief valves, refrigerant pumps, air purgers, defrost controls and liquid-level controls.