Tenneco Automotive Inc $1,386,486 Halliburton Co $7,455,595 Archrock Partners LP $0 Archrock Inc $1,632,677 Weatherford International Plc $204,724 Westlake Chemical Corp $1,162,318 Marathon Oil Corp $421,818 Tenneco Automotive Inc $1,386,486 Halliburton Co $7,455,595 Archrock Partners LP $0 Archrock Inc $1,632,677 Weatherford International Plc $204,724 Westlake Chemical Corp $1,162,318 Marathon Oil Corp $421,818