• 2019
• BADLANDS HOT OIL SERVICES LLC
• BEAR CHIEF OIL LLC
• BEAR MOUNTAIN LLC
• BEAVER CREEK LLC
• BROK'N ASSETS 2 LLC
• BUCKHORN MEASUREMENT SERVICES INC
• CF TRUCKING LLC
• CINCH IT UP LLC
• DAKOTA CHEMICAL INC
• DIAMOND WILLOW ENERGY LLC
• ESTVOLD OILFIELD SERVICES INC
• GRAY HORSE ENERGY SERVICES LLC
• IRON HORSE INC
• K&E PERFORMANCE AND REPAIR LLP
• KNS ENTERPRISES LLC
• LAKESHORE TRANSPORT
• LITTLE MISSOURI OIL FIELD SERVICES LLC
• MMD ROUSTABOUT INC
• OILFIELD SUPPORT SERVICES INC
• QUALE TRUCKING LLC
• ROCKING M LLC
• RUNNING HORSE LLC
• SPIRIT ENERGY LLC
• S & S ROUSTABOUT INC
• SYNERGY OIL FIELD SERVICES LLC
• TR TRUCKING LLC
• UNITED QUALITY COOPERATIVE
• WOLDING TRUCKING LLC
• YES WE CAN INDUSTRIES LLC