Largest 234 Oil & Gas Equipment & Services Companies in the World in 2023

Ranking	Company	Market Cap (USD)	Stock	Country	Sector	Industry
1	Schlumberger Limited	$75.81 B	SLB	United States	Energy	Oil & Gas Equipment & Services
2	Halliburton Company	$35.73 B	HAL	United States	Energy	Oil & Gas Equipment & Services
3	Baker Hughes Company	$28.99 B	BKR	United States	Energy	Oil & Gas Equipment & Services
4	Tenaris SA	$19.72 B	TEN	Luxembourg	Energy	Oil & Gas Equipment & Services
5	China Oilfield Services Ltd	$9.49 B	601808	China	Energy	Oil & Gas Equipment & Services
6	NOV Inc.	$8.05 B	NOV	United States	Energy	Oil & Gas Equipment & Services
7	ChampionX Corporation	$5.74 B	CHX	United States	Energy	Oil & Gas Equipment & Services
8	Aker ASA	$5.44 B	AKER	Norway	Energy	Oil & Gas Equipment & Services
9	Worley Limited	$5.29 B	WOR	Australia	Energy	Oil & Gas Equipment & Services
10	TechnipFMC plc	$5.15 B	FTI	United Kingdom	Energy	Oil & Gas Equipment & Services
11	CNOOC Energy Technology & Services Ltd	$4.33 B	600968	China	Energy	Oil & Gas Equipment & Services
12	Offshore Oil Engineering Co. Ltd	$4.06 B	600583	China	Energy	Oil & Gas Equipment & Services
13	Royal Vopak N.V.	$3.94 B	VPK	Netherlands	Energy	Oil & Gas Equipment & Services
14	Gaztransport & Technigaz SA	$3.79 B	9TG	France	Energy	Oil & Gas Equipment & Services
15	Weatherford International plc	$3.66 B	WFRD	United States	Energy	Oil & Gas Equipment & Services
16	Subsea 7 SA	$3.32 B (Dec. 1, 2022)	ACGYF	Luxembourg	Energy	Oil & Gas Equipment & Services
17	Cactus, Inc.	$3.11 B	WHD	United States	Energy	Oil & Gas Equipment & Services
18	Technip Energies N.V.	$2.95 B	TE	France	Energy	Oil & Gas Equipment & Services
19	SBM Offshore N.V.	$2.78 B	SBMO	Netherlands	Energy	Oil & Gas Equipment & Services
20	Liberty Oilfield Services Inc.	$2.75 B	LBRT	United States	Energy	Oil & Gas Equipment & Services
21	Saipem SpA	$2.45 B	SPM	Italy	Energy	Oil & Gas Equipment & Services
22	China Petroleum Engineering Corp	$2.44 B	600339	China	Energy	Oil & Gas Equipment & Services
23	NexTier Oilfield Solutions Inc.	$2.08 B	NEX	United States	Energy	Oil & Gas Equipment & Services
24	RPC, Inc.	$2.07 B	RES	United States	Energy	Oil & Gas Equipment & Services
25	CIMC Enric Holdings Ltd	$2.01 B	3899	China	Energy	Oil & Gas Equipment & Services
26	Tidewater Inc.	$1.97 B	TDW	United States	Energy	Oil & Gas Equipment & Services
27	USA Compression Partners, LP	$1.95 B	USAC	United States	Energy	Oil & Gas Equipment & Services
28	Oceaneering International, Inc.	$1.82 B	OII	United States	Energy	Oil & Gas Equipment & Services
29	Aker Solutions ASA	$1.81 B	AKSO	Norway	Energy	Oil & Gas Equipment & Services
30	Secure Energy Services Inc.	$1.76 B	SES	Canada	Energy	Oil & Gas Equipment & Services
31	Target Hospitality Corp.	$1.75 B	TH	United States	Energy	Oil & Gas Equipment & Services
32	TGS ASA	$1.75 B	TGC0	Norway	Energy	Oil & Gas Equipment & Services
33	Archrock, Inc.	$1.45 B	AROC	United States	Energy	Oil & Gas Equipment & Services
34	NOW Inc.	$1.40 B	DNOW	United States	Energy	Oil & Gas Equipment & Services
35	Fugro N.V.	$1.32 B	FUR	Netherlands	Energy	Oil & Gas Equipment & Services
36	ProPetro Holding Corp.	$1.21 B	PUMP	United States	Energy	Oil & Gas Equipment & Services
37	Helix Energy Solutions Group, Inc.	$1.20 B	HLX	United States	Energy	Oil & Gas Equipment & Services
38	Nanjing Develop Advanced Manufacturing Co. Ltd	$1.11 B	688377	China	Energy	Oil & Gas Equipment & Services
39	Select Energy Services, Inc.	$1.05 B	WTTR	United States	Energy	Oil & Gas Equipment & Services
40	Zhongman Petroleum and Natural Gas Group Corp Ltd	$1.04 B	603619	China	Energy	Oil & Gas Equipment & Services
41	Core Laboratories N.V.	$1.04 B (Dec. 1, 2022)	CLB	Netherlands	Energy	Oil & Gas Equipment & Services
42	Schoeller-Bleckmann Oilfield Equipment Aktiengesellschaft	$1.03 B	SLL	Austria	Energy	Oil & Gas Equipment & Services
43	MRC Global Inc.	$1.02 B	MRC	United States	Energy	Oil & Gas Equipment & Services
44	Pason Systems Inc.	$1.01 B	PSI	Canada	Energy	Oil & Gas Equipment & Services
45	Dril-Quip, Inc.	$971.8 M	DRQ	United States	Energy	Oil & Gas Equipment & Services
46	U.S. Silica Holdings, Inc.	$944.8 M	SLCA	United States	Energy	Oil & Gas Equipment & Services
47	Enerflex Ltd.	$882.1 M	EFX	Canada	Energy	Oil & Gas Equipment & Services
48	Seacor Holdings Inc.	$850.4 M (Feb. 18, 2021)	CKH	United States	Energy	Oil & Gas Equipment & Services
49	Sino Geophysical Co. Ltd	$833.1 M	300191	China	Energy	Oil & Gas Equipment & Services
50	Suzhou Douson Drilling & Production Equipment Co. Ltd	$818.6 M	603800	China	Energy	Oil & Gas Equipment & Services