• 3 ENERGY SERVICE
• ANDERSON HICKEY COMPANY
• BAKER STONE TRANSPORT LLC
• BMR TRANSPORT INC
• BRYAN & BRYAN ASPHALT LLC
• BRYAN & BRYAN TRUCKING LLC
• CAPCO CONTRACTORS INC
• CONESTOGA PRODUCTION SERVICES LLC
• COWBELL TRAFFIC SERVICE INC
• ELIM VACUUM TRANSPORT INC
• FIRSTSHOT PRODUCTION SERVICES LLC
• HAMMETT WRECKER SERVICE
• HENDERSON CLAY DIV BORAL BRICKS
• I5 TRANSPORT LLC
• JERRY'S WRECKER AND TRANSPORTATION SERVICE
• JONES DOZER SERVICE INC
• KCD TRUCKING LLC
• L&L HOTSHOT
• LONE STAR EQUIPMENT CO
• MCKNIGHT CONSTRUCTION
• OLD SCHOOL SERVICES LLC
• PALMETTO SERVICES LLC
• PERFORMANCE HAULING OF TEXAS
• PIPER MCKINLEY TRANSPORT LLC
• PRESSURE TESTING SERVICES LLC
• PRINCESS THREE OPERATING LLC
• PRIORITY WELL TESTING LLC
• QWIKPIPE
• RTM AGGREGATE TRANSPORT LLC
• SKYCO CONCRETE LLC
• STANLEY ASPHALT INC
• TEXAS LOCATION CONTRACTORS LLC
• TOP LINE PUMPING SERVICES LLC
• TOP LINE RENTAL LLC
• TRUCORE ENERGY LLC
• TRUSS OPS TRUCKING LLC
• VELVIN OIL COMPANY INC
• WALLACE & SONS' WRECKER SERVICE LLC
• X-1 ENERGY SERVICES LLC