Learn more

Top companies in geophysics

# Company name
1 HALLIBURTON ENERGY SERVICES INC show full report
2 BAKER HUGHES INC show full report
3 SCHLUMBERGER TECHNOLOGY CORP show full report
4 PGS GEOPHYSICAL AS show full report
5 INST FRANCAIS DU PETROLE show full report
6 EXXONMOBIL UPSTREAM RES CO show full report
7 LANDMARK GRAPHICS CORP show full report
8 SCHLUMBERGER TECHNOLOGY BV show full report
9 HALLIBURTON ENERGY SERV INC show full report
10 CHEVRON USA INC show full report
11 SCHLUMBERGER CA LTD show full report
12 SAUDI ARABIAN OIL CO show full report
13 CHINA PETROLEUM & CHEM CORP show full report
14 CGG SERVICES SA show full report
15 GECO TECHNOLOGY BV show full report
16 NUCTECH CO LTD show full report
17 SCHLUMBERGER HOLDINGS show full report
18 WESTERN ATLAS INT INC show full report
19 WESTERNGECO LLC show full report
20 EXXON PRODUCTION RESEARCH CO show full report
21 SCHLUMBERGER LTD show full report
22 PETROCHINA CO LTD show full report
23 SICK AG show full report
24 CONOCOPHILLIPS CO show full report
25 CHINA NAT PETROLEUM CORP show full report
26 ION GEOPHYSICAL CORP show full report
27 RAPISCAN SYSTEMS INC show full report
28 BAKER HUGHES A GE CO LLC show full report
29 DRESSER IND show full report
30 TOTAL SA show full report
31 CGGVERITAS SERVICES SA show full report
32 GEOPHYSIQUE CIE GLE show full report
33 SERCEL RECH CONST ELECT show full report
34 WESTERNGECO SEISMIC HOLDINGS show full report
35 SCHLUMBERGER SERVICES PETROL show full report
36 BP CORP NORTH AMERICA INC show full report
37 ATLANTIC RICHFIELD CO show full report
38 SCHLUMBERGER PROSPECTION show full report
39 UNIV JILIN show full report
40 SCHLUMBERGER WELL SURV CORP show full report
41 TEXACO INC show full report
42 HALLIBURTON CO show full report
43 CONOCO INC show full report
44 CONTINENTAL OIL CO show full report
45 GECO AS show full report
46 INPUT OUTPUT INC show full report
47 ELF AQUITAINE show full report
48 FAIRFIELD IND INC show full report
49 AMERICAN SCIENCE & ENG INC show full report
50 PGS AMERICAS INC show full report
51 AMOCO CORP show full report
52 WESTERN GEOPHYSICAL CO show full report
53 INST GEOLOGY & GEOPHYSICS CAS show full report
54 TECH RESOURCES PTY LTD show full report
55 CGG SERVICES SAS show full report
56 PRAD RES & DEV LTD show full report
57 STATOIL PETROLEUM AS show full report
58 SCHLUMBERGER OVERSEAS show full report
59 KOREA INST GEOSCIENCE & MINERA show full report
60 CHINA NAT OFFSHORE OIL CORP show full report
61 STATOIL ASA show full report
62 SERVICES PÉTROLIERS SCHLUMBERGER show full report
63 UNIV CHINA PETROLEUM EAST CHINA show full report
64 RADIODETECTION LTD show full report
65 LEUZE ELECTRONIC GMBH & CO KG show full report
66 SERVICES PETROLIERS SCHLUMBERGER show full report
67 JERSEY PROD RES CO show full report
68 UNIV CHINA PETROLEUM BEIJING show full report
69 ATLAS ELEKTRONIK GMBH show full report
70 SMITHS HEIMANN GMBH show full report
71 QINETIQ LTD show full report
72 LOGINED BV show full report
73 MANNESCHI ALESSANDRO show full report
74 KEYENCE CO LTD show full report
75 INOVA LTD show full report
76 MERLIN TECHNOLOGY INC show full report
77 UNIV CHINA GEOSCIENCES BEIJING show full report
78 ELF EXPLORATION PROD show full report
79 UNIV SOUTHWEST PETROLEUM show full report
80 WEATHERFORD LAMB show full report
81 SICK OPTIK ELEKTRONIK ERWIN show full report
82 SOCONY MOBIL OIL CO INC show full report
83 WESTERNGECO SEISMIC HOLDINGS LTD show full report
84 CALIFORNIA RESEARCH CORP show full report
85 EQUINOR ENERGY AS show full report
86 SOCONY VACUUM OIL CO INC show full report
87 BARRINGER RESEARCH LTD show full report
88 REEVES WIRELINE TECH LTD show full report
89 UNIV CHENGDU TECHNOLOGY show full report
90 HYDROACOUSTIC INC show full report
91 SENSORMATIC ELECTRONICS CORP show full report
92 ELECTROMAGNETIC GEOSERVICES AS show full report
93 SCHLUMBERGER SURENCO SA show full report
94 WELL SURVEYS INC show full report
95 ANALOGIC CORP show full report
96 L 3 COMM SECURITY & DETECTION show full report
97 KJT ENTPR INC show full report
98 NORSKE STATS OLJESELSKAP show full report
99 OPTEX CO LTD show full report
100 OPTASENSE HOLDINGS LTD show full report