TK Holdings Inc DBA Gateway Engineering Categories Custom Fabrication & Machine WorkManufacturingWelding Services 715 E 9 Street South Sioux City NE 68776-0490 (402) 494-2530 Send Email Visit Website Rep/Contact Info Thomas Donahue × Thomas Donahue Karen Murray × Karen Murray Kelvin Patrick × Kelvin Patrick Share × Print Email Facebook Twitter LinkedIn Tell a Friend ×