Customer List
Domestic Customer List
| Akema Boring Co.,Ltd. |
| Marubeni-Itochu Steel Inc. |
| SK Engineering Co.,Ltd. |
| TenarisNKKTubes |
| Japan Agency for Marine-Earth Science and Technology |
| KOREA National Oil Corporation |
| KANEMATSU CORPORATION |
| Global Ocean Development Inc. |
| INPEX Corporation |
| IODP International Ocean Discovery Program |
| Seadrill Offshore A.S. |
| JFE Engineering Corporation |
| JFE Shoji Trade Corporation |
| NIPPON STEEL ＆ SUMITOMO METAL CORPORATION |
| JFE Steel Corporation |
| SUMITOMO CORPORATION |
| Japan Oil Gas and Metals National Corporation |
| Japan Petroleum Exploration Co.,Ltd. |
| DAI-ICHI HIGH FREQUENCY CO.,LTD. |
| DAIICHI JITSUGYO CO.,LTD. |
| Daruma Tekko K.K. |
| JMC Geothermal Engineering Co.,Ltd. |
| Teiseki Drilling Co.,Ltd. |
| Nippon Oil & Energy |
| JAPEX Offshore Ltd |
| Japan Drilling Co.,Ltd. |
| Mantle Quest Japan Company Ltd. |
| NICHIBOR CO.,LTD. |
| FUGRO Japan Co.,Ltd |
| Marathon Upstream Sakhaline Services Ltd |
| Mitsubishi Heavy Industries,Ltd.Nagasaki Shipyard & Machinery Works |
| Mitsubishi Material Techno Co. |
| MITSUI CO.LTD. |
| METALONE CORPORATION |
| YBM |
Overseas Customer List
- Abu Dhabi Company for Onshore Oil Operations (ADCO)
- Arab Drill and WorkOver Co., Libya (ADWOC)
- ARAMCO Overseas Co. B.V. (AOV)
- Azienda Generale Italiana Petroli (AGIP) / Eni S.p.A.
- (The) Bahrain National Oil Co. (BANACO)
- Bariven S. A. / Petroleos de Venezuela, S. A. (PDVSA)
- Bechtel International Corp.
- British Petroleum plc. (BP)
- Cairn Energy plc.
- Chevron Overseas Petroleum Inc.
- China National Petroleum Corp. (CNPC)
- CIRRUS Energy Nederland B.V.
- Conoco Inc.
- Conoco Inc., UK
- ConocoPhillips Co.
- Dubai Petroleum Co. (DPE)
- Elf Aquitaine, Inc.
- ELF (SNEAP)
- Exxon Mobil Corp.
- Fluor Corp.
- Fluor Daniel Japan Inc.
- Fluor Int’l Inc.
- Fluor Technical Services, Ltd.
- Gulf
- Gulf Oil Corp., Ltd.
- Gulf Oil Explo. & Prod. Co.
- Gulf Ras Al Khaimah
- Gulf of Suez Petroleum Co. (GUPCO)
- Sumatra Gulf Oil, Ltd.
- Terra Field Service
- Hallmark Tubulars Ltd.
- Iraqi Drilling Company
- Indus National Oil Co.
- Iraq National Oil Co. (INOC)
- I.T.Ex. S.r.l.
- Kuwait National Petroleum Co. (KNPC)
- Kuwait Oil Co.
- Maesrk Drilling
- Marathon Petroleum Australia Ltd.
- Nirgeria Agip Oil Co., Ltd. (N. A. O. C.)
- NDT Eagle
- National Iranian Gas Co. (NIGC)
- National Oil Varco (NOV), Tuboscope
- OCCIDENTAL EXPLORATION PRODUCTION Co.
- Oil India, Ltd.
- OMV, Pakistan
- Office National de Recherches et d’Exploitation Petrolieres (ONAREP), Morroco
- Petrobras
- Phillips Petroleum Co., Ltd.
- Pusan Steel Ind., Co., Ltd.
- Reliance Industries, Ltd.
- Saipem S.p.A. / Eni S.p.A.
- Royal Dutch Shell plc.
- Shell Oil Co.
- Shell U.K.
- Shell Exploration and Production Co.
- Shell Offshore Inc.
- Brunei Shell Petroleum Co.
- Shell Western E & P Inc.
- Shell Internationale Petroleum Maatschappij B.V. (SIPM)
- Shell and Bp South African Petroleum Refineries (Pty), Ltd.
- Snamprogetti S.p.A.
- Total S.A.
- United Oil Co. of Thailand
- Wintershall Holding GmbH
- Western Zagross