SK E&C30

MMEC MANNESMANN29

BONATTI GROUP28

SEEH AL SARYA27

SAMSUNG ENGINEERING26

PUNJ LLOYD25

TARGET ENGINEERING24

FLUOR23

HYUNDAI ENGINEERING22

MOTT MACDONALD21

OIEC20

DODSAL GROUP19

BECHTEL18

CPECC17

CCC16

SUBSEA 715

JGC14

LAMPRELL13

GALFAR12

TECNICAS REUNIDAS11

KBR10

TECHNIPFMC9

SAIPEM8

WORLEY7

SNC- LAVALIN6

WOOD5

MCDERMOTT4

PETROFAC3

LARSEN & TOUBRO HYDROCARBON ENGINEERING2

NPCC1