Tenneco Automotive Inc $1,386,486 Halliburton Co $7,523,243 Archrock Partners LP $0 Archrock Inc $1,674,880 Weatherford International Plc $209,512 Westlake Chemical Corp $1,186,860 Marathon Oil Corp $472,019 Tenneco Automotive Inc $1,386,486 Halliburton Co $7,523,243 Archrock Partners LP $0 Archrock Inc $1,674,880 Weatherford International Plc $209,512 Westlake Chemical Corp $1,186,860 Marathon Oil Corp $472,019