2

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3

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4

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5

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7

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11

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12

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15

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16

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17

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18

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19

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20

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21

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22

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24

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25

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26

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27-28-29

DUG do Brasil

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GEOSOFTWARE

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STRYDE

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MORKEN GROUP

----------------------------------------

IKON Science

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SERCEL

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LUMINA (GEOPHYSICAL LLC)

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WHITSON

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CMG (COMPUTER MODELLING GROUP LTD.)

----------------------------------------

ROCK FLOW DINAMICS

----------------------------------------

SLB

----------------------------------------

GEOLOG ARGENTINA S.A.

----------------------------------------

BLACK SQUARE

----------------------------------------

HALLIBURTON ARGENTINA SRL

----------------------------------------

INTERFACES S.A.

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ROGII LATINA S.A.

----------------------------------------

BGP

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AEROTERRA

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PROVINCIA DE MENDOZA