| 1 | YAZAKI ROMANIA S.R.L. | Prahova | 3.623 |
| 2 | AQUILA PART PROD COM S.A. | Prahova | 2.543 |
| 3 | J. CHRISTOF E&P SERVICES SRL | Prahova | 2.162 |
| 4 | CRIS-TIM FAMILY HOLDING S.A. | Prahova | 2.045 |
| 5 | CAMERON ROMÂNIA SRL | Prahova | 1.900 |
| 6 | MASPEX ROMANIA SRL | Prahova | 1.734 |
| 7 | CONPET SA | Prahova | 1.387 |
| 8 | BRITISH - AMERICAN TOBACCO ROMANIA INVESTMENT SRL | Prahova | 955 |
| 9 | TRANSPORT CĂLĂTORI EXPRESS S.A. | Prahova | 870 |
| 10 | CONFIND SRL | Prahova | 838 |
| 11 | ANA & CORNEL SRL | Prahova | 774 |
| 12 | TIMKEN ROMANIA SA | Prahova | 735 |
| 13 | LEMET SRL | Prahova | 713 |
| 14 | HIDRO PRAHOVA SA | Prahova | 694 |
| 15 | NESS PROIECT EUROPE SRL | Prahova | 680 |
| 16 | SUPERMARKET LA COCOŞ S.A. | Prahova | 680 |
| 17 | UNILEVER ROMANIA SA | Prahova | 612 |
| 18 | DETERGENTI S.A. | Prahova | 548 |
| 19 | PETROTEL - LUKOIL SA | Prahova | 546 |
| 20 | DOMIDENE COM SRL | Prahova | 522 |
| 21 | ADEPLAST S.R.L. | Prahova | 511 |
| 22 | SNGN "ROMGAZ" SA-FILIALA DE ÎNMAGAZINARE GAZE NATURALE DEPOGAZ PLOIEŞTI SRL | Prahova | 507 |
| 23 | SERVICII DE GOSPODĂRIRE URBANĂ PLOIEŞTI SRL | Prahova | 505 |
| 24 | GVS MICROFILTRAZIONE SRL | Prahova | 502 |
| 25 | PHOENIXY SRL | Prahova | 491 |
| 26 | TASAR DESIGN SRL | Prahova | 464 |
| 27 | HAIER TECH S.R.L. | Prahova | 462 |
| 28 | OLTINA IMPEX PROD COM SRL | Prahova | 459 |
| 29 | BIANCOSPINO SRL | Prahova | 445 |
| 30 | SAINT-GOBAIN PRIME GLASS WORKING S.R.L. | Prahova | 440 |
| 31 | SOCERAM S.A. | Prahova | 417 |
| 32 | CONI SRL | Prahova | 412 |
| 33 | ELECTROMECANICA PLOIESTI SA | Prahova | 401 |
| 34 | BAUELEMENTE SRL | Prahova | 400 |
| 35 | DUCATI ENERGIA ROMANIA SA | Prahova | 399 |
| 36 | MARELLI PLOIESTI ROMANIA S.R.L. | Prahova | 380 |
| 37 | CHRISTOF MB WELL S.R.L. | Prahova | 351 |
| 38 | LEDMAX ELECTRONICS SRL | Prahova | 350 |
| 39 | MEDIMFARM TOPFARM S.A. | Prahova | 349 |
| 40 | ROHRER OIL & GAS SERVICES S.R.L. | Prahova | 337 |
| 41 | TRI FARM SRL | Prahova | 321 |
| 42 | PECEF TEHNICA SRL | Prahova | 320 |
| 43 | GOODIES MEAT PRODUCTION SRL | Prahova | 318 |
| 44 | BETTY ICE DISTRIBUTIE S.R.L. | Prahova | 318 |
| 45 | UZINA MECANICA PLOPENI SA | Prahova | 313 |
| 46 | NEPTUN SA | Prahova | 309 |
| 47 | VABRO RETAIL SRL | Prahova | 307 |
| 48 | COFICAB PLOIEŞTI SRL | Prahova | 304 |
| 49 | FLEXITECH RO SRL | Prahova | 302 |
| 50 | FERROBETON ROMÂNIA SRL | Prahova | 298 |
| 51 | TRAUN GUARD HMS SRL | Prahova | 297 |
| 52 | AENOVA ROMANIA S.R.L. | Prahova | 296 |
| 53 | BINAR SPEED EXCLUSIVE SRL | Prahova | 290 |
| 54 | HUMANA PEOPLE TO PEOPLE SRL | Prahova | 290 |
| 55 | AGRISOL INTERNATIONAL R.O. SRL | Prahova | 287 |
| 56 | SAIPEM ROMANIA S.R.L. | Prahova | 287 |
| 57 | RTV HD S.R.L. | Prahova | 277 |
| 58 | WETTERBEST S.A. | Prahova | 275 |
| 59 | MAINFREIGHT SRL | Prahova | 272 |
| 60 | SIPEX COMPANY S.A. | Prahova | 271 |
| 61 | DAN SEPSI SRL | Prahova | 267 |
| 62 | NEW CLEANING CONCEPT S.R.L. | Prahova | 267 |
| 63 | WEATHERFORD ATLAS GIP SA | Prahova | 263 |
| 64 | EXPLOATARE SISTEM ZONAL PRAHOVA SA | Prahova | 257 |
| 65 | BIALETTI STAINLESS STEEL SRL | Prahova | 255 |
| 66 | RHEIN VISION SRL | Prahova | 251 |
| 67 | APLAST WOOD INDUSTRY S.R.L. | Prahova | 249 |
| 68 | ARTSANI COM SRL | Prahova | 247 |
| 69 | FLORICON SALUB SRL | Prahova | 243 |
| 70 | SPOTING SA | Prahova | 236 |
| 71 | 24 IANUARIE SA | Prahova | 235 |
| 72 | INDUSTRIAL MONTAJ S.R.L. | Prahova | 229 |
| 73 | CORAL IMPEX SRL | Prahova | 227 |
| 74 | HABAU S.R.L. | Prahova | 226 |
| 75 | APA NOVA PLOIESTI SRL | Prahova | 223 |
| 76 | ROQUET EASTERN EUROPE S.R.L. | Prahova | 218 |
| 77 | ARTEMA PLAST SRL | Prahova | 216 |
| 78 | DAAS IMPEX SRL | Prahova | 212 |
| 79 | MM PACKAGING ROMANIA S.R.L. | Prahova | 211 |
| 80 | TRANSCOM SRL | Prahova | 206 |
| 81 | CENTRUL MEDICAL MEDIURG SRL | Prahova | 205 |
| 82 | KRAFTANLAGEN ROMANIA SRL | Prahova | 204 |
| 83 | TC MĂSURARE & CONTROL SRL | Prahova | 204 |
| 84 | BYXAN TRANS SRL | Prahova | 202 |
| 85 | PROFESSIONAL FARMA LINE SRL | Prahova | 198 |
| 86 | FERUCCIO CONSTRUCT S.R.L. | Prahova | 196 |
| 87 | RONI CIVIL INTEROUTE SRL | Prahova | 195 |
| 88 | PRESTIGE MOB S.R.L. | Prahova | 195 |
| 89 | ALEXANDRION SABER DISTILLERIES 1789 S.R.L. | Prahova | 195 |
| 90 | UNILEVER SOUTH CENTRAL EUROPE SA | Prahova | 195 |
| 91 | DIRECTOR SPECIAL TROOPS-D.S.T. SRL | Prahova | 193 |
| 92 | TERQUA SRL | Prahova | 189 |
| 93 | TECHNOPHAR EQUIPMENT AND SERVICE SRL | Prahova | 189 |
| 94 | PRAGOSA ROMANIA SRL | Prahova | 188 |
| 95 | AKKIM EUROPE S.R.L. | Prahova | 188 |
| 96 | CORD IMPEX SRL | Prahova | 188 |
| 97 | ROHRER SERVICII INDUSTRIALE SRL | Prahova | 187 |
| 98 | SINAIA SA | Prahova | 186 |
| 99 | CHRISTOF SURFACE SERVICES S.R.L. | Prahova | 183 |
| 100 | CARTRANS PREDA SRL | Prahova | 182 |