Rangert etter antall ansatte registrert i Enhetsregisteret.
| # | Bedrift | Ansatte |
|---|---|---|
| 1 | AKER SOLUTIONS ASLYSAKER | 8 891 |
| 2 | HALLIBURTON ASTANANGER | 2 536 |
| 3 | SCHLUMBERGER NORGE ASSTAVANGER | 2 396 |
| 4 | KAEFER ENERGY ASSTAVANGER | 1 809 |
| 5 | BEERENBERG SERVICES ASKOKSTAD | 1 441 |
| 6 | DEEP SEA MANAGEMENT ASKOKSTAD | 1 408 |
| 7 | ONESUBSEA AS |
Kilde: Brønnøysundregistrene og Regnskapsregisteret (NLOD). Listen oppdateres daglig.
| 1 272 |
| 8 | ARCHER ASSANDNES | 1 254 |
| 9 | BILFINGER ISP OFFSHORE NORWAY ASSTAVANGER | 1 192 |
| 10 | BAKER HUGHES NORGE ASTANANGER | 1 188 |
| 11 | TRANSOCEAN NORWAY OPERATIONS ASSTAVANGER | 1 059 |
| 12 | IKM TESTING ASSOLA | 1 017 |
| 13 | DEEPOCEAN ASHAUGESUND | 954 |
| 14 | APPLY ASSTAVANGER | 938 |
| 15 | H&P DRILLING NORGE ASBLOMSTERDALEN | 872 |
| 16 | WOOD GROUP NORWAY ASSANDEFJORD | 805 |
| 17 | SUBSEA 7 NORWAY ASSTAVANGER | 731 |
| 18 | OCEANEERING ASSANDNES | 713 |
| 19 | COSL OFFSHORE MANAGEMENT ASSANDNES | 676 |
| 20 | LINJEBYGG ASMOLDE | 668 |
| 21 | VETCO GRAY SCANDINAVIA ASSTAVANGER | 507 |
| 22 | ODFJELL OPERATIONS ASKOKSTAD | 414 |
| 23 | INTERWELL NORWAY ASRØYNEBERG | 408 |
| 24 | ALTUS INTERVENTION ASSTAVANGER | 391 |
| 25 | ISLAND OFFSHORE MANAGEMENT ASULSTEINVIK | 388 |
| 26 | H&P MODU OPERATIONS ASBLOMSTERDALEN | 380 |
| 27 | ARCHER NORGE ASSANDNES | 366 |
| 28 | NOV PROCESS & FLOW TECHNOLOGIES ASFORNEBU | 341 |
| 29 | OLYMPIC CREWING ASFOSNAVÅG | 297 |
| 30 | PSW TECHNOLOGY ASMONGSTAD | 286 |
| 31 | WEATHERFORD NORGE ASSANDNES | 266 |
| 32 | EXPRO NORWAY ASTANANGER | 264 |
| 33 | SAIPEM DRILLING NORWAY ASSTAVANGER | 237 |
| 34 | ALTERA INFRASTRUCTURE PRODUCTION ASTRONDHEIM | 196 |
| 35 | ARCHER VERTIKAL ASVOLDA | 196 |
| 36 | OCEAN INSTALLER ASSTAVANGER | 195 |
| 37 | SLB KRISTIANSAND ASKRISTIANSAND S | 193 |
| 38 | APL NORWAY ASKOLBJØRNSVIK | 190 |
| 39 | ODFJELL OFFSHORE LTD NUFKOKSTAD | 188 |
| 40 | SEA1 MARINE CREW ASKRISTIANSAND S | 184 |
| 41 | SHELF DRILLING (NORWAY) ASSANDNES | 181 |
| 42 | ODFJELL WELL SERVICES NORWAY ASTANANGER | 179 |
| 43 | ISLAND OFFSHORE CREWING ASULSTEINVIK | 177 |
| 44 | ISLAND DRILLING CREWING ASULSTEINVIK | 175 |
| 45 | IKM SUBSEA ASBRYNE | 171 |
| 46 | ARCHER OILTOOLS ASSANDNES | 171 |
| 47 | ODFJELL DRILLING ASKOKSTAD | 170 |
| 48 | NOV WELLBORE TECHNOLOGIES NORWAY LLC NUFSTAVANGER | 161 |
| 49 | ON & OFFSHORE SERVICES ASKRISTIANSAND S | 156 |
| 50 | OMEGA SUBSEA ASBERGEN | 155 |
| 51 | ENHANCED DRILLING ASSTRAUME | 150 |
| 52 | P/F PAM-OFFSHORE SERVICE | 140 |
| 53 | ODFJELL TECHNOLOGY ASKOKSTAD | 140 |
| 54 | AKOFS NORWAY OPERATIONS ASLYSAKER | 123 |
| 55 | HAVILA SUBSEA CREWING ASFOSNAVÅG | 121 |
| 56 | BW OFFSHORE NORWAY ASOSLO | 121 |
| 57 | RAMCO NORWAY ASFLORØ | 120 |
| 58 | THREE60 ENERGY NORWAY ASSTAVANGER | 118 |
| 59 | DOF SUBSEA NORWAY ASBERGEN | 113 |
| 60 | WELLTEC OILFIELD SERVICES (NORWAY) ASBLOMSTERDALEN | 109 |
| 61 | SEA1 OFFSHORE CREW ASKRISTIANSAND S | 99 |
| 62 | SCAN TECH ASSTAVANGER | 90 |
| 63 | TCO NORWAY ASINDRE ARNA | 89 |
| 64 | COSL NORWEGIAN ASSANDNES | 86 |
| 65 | ODFJELL WELL SERVICES ASKOKSTAD | 85 |
| 66 | NORTH SEA OFFSHORE ASBAKKASUND | 80 |
| 67 | TDW OFFSHORE SERVICES ASSTAVANGER | 75 |
| 68 | FORCE TECHNOLOGY NORWAY ASHVALSTAD | 73 |
| 69 | FOURPHASE ASKOKSTAD | 71 |
| 70 | AXTECH ASMOLDE | 69 |
| 71 | SEA1 OFFSHORE ASKRISTIANSAND S | 68 |
| 72 | SCORE ASRANDABERG | 68 |
| 73 | SUB SEA SERVICES ASSTAVANGER | 68 |
| 74 | KANFA ASLYSAKER | 63 |
| 75 | IZOMAX ASSTAVANGER | 55 |
| 76 | HAVILA SERVICE ASFOSNAVÅG | 54 |
| 77 | IK SUBSEA ASSTAVANGER | 52 |
| 78 | IO ULSTEINVIK ASULSTEINVIK | 51 |
| 79 | DELMAR SYSTEMS ASSTRAUME | 51 |
| 80 | PSW SOLUTIONS ASMONGSTAD | 50 |
| 81 | FLUID CONTROL SERVICE ASSOLA | 49 |
| 82 | NDT GLOBAL ASØVRE ERVIK | 47 |
| 83 | WELLPARTNER ASTANANGER | 46 |
| 84 | IKM AQUAMARINE ASJØRPELAND | 44 |
| 85 | KVENNA ASÅLESUND | 44 |
| 86 | NOS RENTAL ASSANDNES | 43 |
| 87 | MARDAHL INDUSTRI ASORKANGER | 41 |
| 88 | CACTUS INTERNATIONAL ASSTAVANGER | 40 |
| 89 | E PLUG ASSTAVANGER | 40 |
| 90 | TOOLSERV ASSTAVANGER | 39 |
| 91 | JANSEN OG WILLUMSEN SERVICES ASSANDNES | 38 |
| 92 | KIMEK OFFSHORE ASKIRKENES | 36 |
| 93 | TIOS CREWING ASSTAVANGER | 34 |
| 94 | ONSITE TREATMENT SERVICES ASTANANGER | 32 |
| 95 | REMOTION ASSANDNES | 31 |
| 96 | CLAXTON ENGINEERING SERVICES ASSANDNES | 30 |
| 97 | SAIPEM NORGE ASSTAVANGER | 30 |
| 98 | AKOFS OFFSHORE OPERATIONS ASLYSAKER | 29 |
| 99 | ALFA NORDIC SERVICES ASRANDABERG | 27 |
| 100 | INDEPENDENT OIL TOOLS ASSTAVANGER | 27 |