- Universal Offshore Rigs Inc.Houston - TexasOffshore Oil Rigs Trading, Repairing, Moving and Recycling.
- Global Energy Equipment LtdUnited Arab EmiratesDrilling Equipment trading
- ISO International Drilling, Inc.Houston - TexasDrilling and Appraisal Services.
- Menadrill Investment Company LtdUnited Arab EmiratesOilfield Assets Investment
- Gulf Oil Drilling S.A. de C.V.MexicoDrilling contractor