파이프라인 연구

주요 선수 : Barnard Construction Company Inc., Sunland Construction Inc., Snelson Companies Inc., EnerMech Ltd, Baker Hughes Co.

주요 선수 : Baker Hughes Company, 3P Services GmbH & Co KG, Dacon Inspection Services Co. Ltd., LiN Scan, TD Williamson, Inc., Russell NDE Systems Inc.

주요 선수 : Tenaris SA, Tetra Tech Inc., Mistras Group Inc., Trican Well Services Ltd, Baker Hughes Co.

주요 선수 : Enduro Pipeline Services, Inc., NDT Global Services Ltd., Pigtek Ltd., Romstar Group, SGS SA

주요 선수 : Jindal SAW Ltd., Europipe GmbH, Tenaris SA, Essar Group, TMK 그룹

주요 선수 : TD Williamson Inc., TÜV Rheinland, Emerson Electric Co., Baker Hughes Company, SGS SA

주요 선수 : MasTec Inc., SGS SA, OCA Global, Intertek Group PLC, Fluor Corporation

주요 선수 : Tenaris Inc., TMK Group, Mott Macdonald Group Ltd., Nippon Steel Corporation, ChelPipe Group

주요 선수 : Petroliam Nasional Berhad(PETRONAS), JFE Engineering Corporation, Punj Lloyd Limited, Sapura Energy Berhad, Yokogawa Kontrol(말레이시아) Sdn. Bhd.

주요 선수 : Pipelife Nederland BV, PSC Teknologis, AVEVA Group plc, Mott MacDonald, TMK Group

주요 선수 : Baker Hughes A GE Co, EnerMech Ltd., TD Williamson Inc., STATS Group, Dacon Inspection Services Co. Ltd.

주요 선수 : Dacon Inspection Services Co. Ltd, EnerMech Ltd, TD Williamson Inc, STATS Group, China Petroleum Pipeline Engineering Co., Ltd

주요 선수 : Baker Hughes A GE Co, TD Williamson Inc, Oil States Industries Inc., EnerMech Ltd, STATS Group

주요 선수 : Rosen Group, TD Williamson, Inc, Romstar Sdn. Bhd., Dacon Inspection Services Co Ltd, Baker Hughes Company

주요 선수 : Saipem SpA, L&T Hydrocarbon Engineering Limited, China Petroleum Pipeline Engineering Co., Ltd., McDermott International, Ltd., Allseas Group SA

주요 선수 : Snelson Companies Inc., Bechtel Corporation, Pumpco Inc., Barnard Construction Company, Inc., Larsen & Toubro Limited

주요 선수 : Linde PLC, Oceaneering International, Inc., Baker Hughes Company, Sulzer Ltd., National Energy Services Reunited Corp.