Service King Manufacturing, Inc. is owned and operated by individuals with years of rig building & operational experience. The SK Series is a line of rigs & carriers that are designed for fast rig-up and rig-down with versatility. All rigs will meet or exceed oilfield industry standards. SK175, SK275, SK375, SK475, SK575, SK675, SK775, SK1000, SK1100, Blocks, Masts & Substructures. We manufacture Swab Rigs,Pole Rigs, Workover and Drilling Rigs.