Texas Power Systems is a supplier of component manufacturing and assembly services to Caterpillar that makes and assembles C- ... 9, C-13 and C-15 diesel engines and related products for Caterpillar as well as other clients worldwide. Texas Power Systems is operated out of an 800,000-square-foot facility on a 180-acre plot on Seguin’s West Side at 1720 W. Kingsbury. read more