SPG Co., Ltd., based in Incheon, South Korea, and founded on March 21, 1991,... SPG Co., Ltd., based in Incheon, South Korea, and founded on March 21, 1991, specializes in the development, manufacturing, and distribution of sophisticated control gear motors. The company's diverse product portfolio includes a range of items such as standard motors, industrial motors, brushless direct current (BLDC) fan motors, planetary gear heads, standard BLDC geared motors, shaded pole geared motors, capacitor run geared motors, standard DC geared motors, and alternating current fan motors.