Rangert etter antall ansatte registrert i Enhetsregisteret.
| # | Bedrift | Ansatte |
|---|---|---|
| 1 | NORCONSULT NORGE ASSANDVIKA | 4 398 |
| 2 | MULTICONSULT NORGE ASOSLO | 2 956 |
| 3 | DNV ASHØVIK | 2 314 |
| 4 | SWECO NORGE ASOSLO | 2 254 |
| 5 | RAMBØLL NORGE ASOSLO | 1 399 |
| 6 | ASPLAN VIAK ASSANDVIKA | 1 297 |
| 7 | COWI ASOSLO | 1 296 |
Kilde: Brønnøysundregistrene og Regnskapsregisteret (NLOD). Listen oppdateres daglig.
| 8 | SIEMENS ENERGY ASOSLO | 1 194 |
| 9 | STATENS KARTVERKHØNEFOSS | 881 |
| 10 | SIEMENS ASOSLO | 490 |
| 11 | HRP ASOSLO | 462 |
| 12 | AFRY NORWAY ADVISORY ASOSLO | 440 |
| 13 | HEAD ENERGY CONSULTING ASBLOMSTERDALEN | 438 |
| 14 | WSP NORGE ASOSLO | 403 |
| 15 | AFRY NORWAY ASOSLO | 377 |
| 16 | AUTOSTORE ASNEDRE VATS | 364 |
| 17 | OCEANEERING ASSET INTEGRITY ASSANDSLI | 329 |
| 18 | RYSTAD ENERGY ASOSLO | 315 |
| 19 | GOODTECH ASOSLO | 305 |
| 20 | REACH SUBSEA ASHAUGESUND | 302 |
| 21 | LINK ARKITEKTUR ASOSLO | 258 |
| 22 | METIER ASOSLO | 244 |
| 23 | PGS GEOPHYSICAL ASOSLO | 230 |
| 24 | NORDIC OFFICE OF ARCHITECTURE ASOSLO | 209 |
| 25 | KIWA ASOSLO | 201 |
| 26 | FUGRO NORWAY ASOSLO | 199 |
| 27 | SIEMENS MOBILITY ASOSLO | 197 |
| 28 | DNV AQUACULTURE AND OCEAN HEALTH ASSISTRANDA | 194 |
| 29 | DEEPOCEAN SUBSEA SERVICES LTD NUFSC ABERDEEN AB11 | 188 |
| 30 | ODFJELL ENGINEERING ASKOKSTAD | 183 |
| 31 | IKM CONSULTANTS ASSOLA | 177 |
| 32 | IKM INSPECTION ASSTAVANGER | 175 |
| 33 | DR TECHN OLAV OLSEN ASLYSAKER | 174 |
| 34 | WESTCON LØFTETEKNIKK ASHAUGESUND | 171 |
| 35 | JOHNSON CONTROLS NORWAY ASOSLO | 170 |
| 36 | VOITH HYDRO ASOSLO | 169 |
| 37 | SLB CAPTURI NORWAY ASFORNEBU | 166 |
| 38 | AFRY CONSULT ASSARPSBORG | 158 |
| 39 | ELEMENT LOGIC ASKLØFTA | 152 |
| 40 | EUROFINS ENVIRONMENT TESTING NORWAY ASMOSS | 151 |
| 41 | NOVAFORM ASSANDNES | 149 |
| 42 | NORSK OLJEVERNFORENING FOR OPERATØRSELSKAPSANDNES | 147 |
| 43 | AF ENERGI ASOSLO | 146 |
| 44 | REJLERS ASOSLO | 146 |
| 45 | NORDOMATIC NORGE ASOSLO | 144 |
| 46 | DNV BUSINESS ASSURANCE NORWAY ASHØVIK | 141 |
| 47 | SWECO ARCHITECTS ASOSLO | 141 |
| 48 | 4SUBSEA ASASKER | 141 |
| 49 | NEMKO NORLAB ASMO I RANA | 137 |
| 50 | LPO ARKITEKTER ASOSLO | 136 |
| 51 | MARITIME ROBOTICS ASTRONDHEIM | 135 |
| 52 | SEAONICS ASÅLESUND | 127 |
| 53 | OPAK ASOSLO | 125 |
| 54 | EUROFINS FOOD & FEED TESTING NORWAY ASMOSS | 124 |
| 55 | SAFETEC NORDIC ASTRONDHEIM | 123 |
| 56 | KNIGHTEC GROUP NORWAY ASKONGSBERG | 122 |
| 57 | Q10 OFFSHORE SERVICE ASSTAVANGER | 118 |
| 58 | INTERTEK WEST LAB ASTANANGER | 116 |
| 59 | AXESS ASSET INTEGRITY ASMOLDE | 116 |
| 60 | ABL GROUP NORWAY ASOSLO | 116 |
| 61 | VESTAS NORWAY ASTRONDHEIM | 114 |
| 62 | STRATUM RESERVOIR (NORWAY) ASSTAVANGER | 113 |
| 63 | SCANSHIP ASTØNSBERG | 112 |
| 64 | ANKO ASSANDNES | 108 |
| 65 | VILJR ASOSLO | 107 |
| 66 | RAIL PRODUCTION ASOSLO | 105 |
| 67 | SCANMUDRING ASMANDAL | 104 |
| 68 | ORIGO SOLUTIONS ASKRISTIANSAND S | 104 |
| 69 | TEXAS INSTRUMENTS NORWAY ASOSLO | 100 |
| 70 | GE POWER NORWAY ASOSLO | 99 |
| 71 | NORDKONTAKT ASBODØ | 94 |
| 72 | BREKKE & STRAND AKUSTIKK ASOSLO | 93 |
| 73 | NIRAS NORGE ASOSLO | 93 |
| 74 | NORSK ENERGIOSLO | 91 |
| 75 | SGS NORWAY ASHAMAR | 91 |
| 76 | NORDPLAN ASNORDFJORDEID | 90 |
| 77 | A-LAB ASOSLO | 89 |
| 78 | GLOBAL MARITIME ASSTAVANGER | 89 |
| 79 | OBOS PROSJEKT ASOSLO | 87 |
| 80 | ODFJELL PLATFORM DRILLING ASKOKSTAD | 86 |
| 81 | SHEARWATER GEOSERVICES NORWAY ASLAKSEVÅG | 85 |
| 82 | HOLTE CONSULTING ASOSLO | 85 |
| 83 | ARKITEMA ASOSLO | 83 |
| 84 | TRESCAL NORWAY ASTANANGER | 81 |
| 85 | SNØHETTA OSLO ASOSLO | 81 |
| 86 | COROMATIC ASKJELLER | 81 |
| 87 | TECHOUSE ASSANDNES | 80 |
| 88 | IKM OCEAN DESIGN ASSANDNES | 79 |
| 89 | INCON ASTANANGER | 78 |
| 90 | MASKINSTYRING ASFURNES | 78 |
| 91 | ODFJELL ENERGY CREWING ASKOKSTAD | 78 |
| 92 | W1EPS ASSKIEN | 77 |
| 93 | RATIO ARKITEKTER ASOSLO | 77 |
| 94 | VIANOVA ASSANDVIKA | 75 |
| 95 | ELSIKKERHET NORGE ASHAMAR | 75 |
| 96 | IKM PRS SERVICES ASHAUGESUND | 74 |
| 97 | CAMBI GROUP ASASKER | 73 |
| 98 | OMEGA 365 PROTEK ASKARMSUND | 73 |
| 99 | AMIBLU TECHNOLOGY ASSANDEFJORD | 71 |
| 100 | MAD ARKITEKTER ASOSLO | 71 |