Below is a list of the largest refining companies around the world, in rank order based on their ownership of total refining distillation capacity as of the beginning of 2025.
Refiners with partial ownership of a refinery through a JV with another refining company, are credited with capacity in proportion to their ownership interest in each refinery.
Rank Company Cap. (kbpd) No. Refineries
1 Sinopec 5819 29
2 CNPC 5278 39
3 ExxonMobil 4385 17
4 Saudi Aramco 4070 21
5 Marathon 3132 13
6 Rosneft 3035 23
7 Valero 2829 14
8 Pemex 2280 8
9 NIORDC 2224 10
10 Phillips 66 1930 11
11 Petrobras 1894 12
12 TotalEnergies 1858 13
13 Chevron 1747 8
14 KPC 1724 6
15 IOCL 1602 11
16 BP 1600 7
17 Eneos 1579 9
18 Shell 1405 10
19 Reliance 1400 2
20 PDVSA 1354 8
21 Gazprom 1248 7
22 Lukoil 1237 8
23 CNOOC 1214 12
24 Pertamina 1172 6
25 SK 1135 2
26 PBF 1055 6
27 Repsol 1002 7
28 SinoChem 988 6
29 PKN 877 5
30 Sonatrach 873 6
31 Idemitsu 854 7
32 CITGO 849 3
33 EGPC 840 9
34 HPCL 837 5
35 HF Sinclair 768 8
36 BPCL 749 3
37 Flint Hills 725 2
38 Eni 694 7
39 CPC 690 2
40 Mubadala 643 4
41 Vitol 639 8
42 Tupras 608 4
43 Cenovus 606 6
44 NNPC 575 4
45 Petronas 541 4
46 Formosa 540 1
47 ADNOC 531 2
48 Dangote 520 1
49 Hyundai 516 2
50 Suncor 480 4
51 Tatneft 464 3
52 Baota 453 3
53 OMV 452 5
54 Ecopetrol 438 3
55 PTT 433 3
56 Surgutneftegaz 430 1
57 OQ 419 3
58 Rongsheng 408 1
59 YPF 407 5
60 GS 400 1
61 Hengli 400 1
62 Yulong 400 1
63 Irving 395 2
64 Cosmo 393 4
65 Socar 392 2
66 Kazmunaigaz 390 4
67 BAPCO 384 1
68 NRC 382 4
69 Libya NOC 380 5
70 Helleniq 350 3
71 Preem 340 2
72 SRC 340 3
73 MOL 331 3
74 G.O.I. 320 1
75 RdK 320 1
76 Shenghong 320 1
77 Delek 320 4
78 MRC 290 4
79 QP 290 2
80 Lyondell 289 1
81 Carlyle 278 5
82 BCP 269 2
83 Petron 266 2
84 Naftan 240 1
85 Turkmenneftgas 237 2
86 ENAP 236 3
87 Glencore 228 2
88 Galp 220 1
89 Par Pacific 218 4
90 ONGC 215 1
91 CVR 214 2
92 Essar 213 2
93 Klesch 211 2
94 Monroe Energy 208 1
95 Neste 206 1
96 Equinor 205 1
97 ENOC 200 1
98 Gunvor 200 2
99 Prax Group 200 2
100 ORL 197 1