- Aramark US
- Aramark Gulf
- PES LLC.
- 2006 Doha Asian Games (ESS-Qatar)
- Aramis Management Sdn Bhd
- Atwood Oceanic
- Compass Group
- Diamond Offshore
- EMAS Offshore Pte Ltd.
- ExprESS Angola
- Frontier
- Exxon Mobil
- Global Industries
- Hallin Marine
- Subsea International Ltd.
- Hereema
- Fairmont B.V.
- Hyundai Merchant Marine
- K.A.B. Drilling Corp.
- KHAN Offshore Support
- Noble Drilling
- PBU Ltd.
- Premium Drilling
- Prosafe Offshore Ltd.
- Qatar Petroleum
- Saudi Aramco
- Technip
- Sapura Crest Petroleum
- Schlumberger
- SHRM SDN BHD
- Songa Offshore
- Swire Pacific Offshore
- Transocean
- TBNP Indonesia
- Vantage Drilling
- WAVentures
- Sime Darby
- ESS Norway
- Daewoo Shipbuilding & Marine Engineering Co. Ltd.
- ESS Alaska
- Deep Black Drilling
- Schahin Ofshore
- Compass Singapore