| 1 | BOSCH AUTOMOTIVE S.R.L. | Municipiul Blaj | Alba | 2.5 bn | 1,666 |
| 2 | PLEXUS SERVICES RO SRL | Municipiul Oradea | Bihor | 1.5 bn | 1,811 |
| 3 | SIMEA SIBIU SRL | Municipiul Sibiu | Sibiu | 956.4 m | 1,415 |
| 4 | FLEXTRONICS ROMÂNIA SRL | Municipiul Timişoara | Timiş | 837.3 m | 2,731 |
| 5 | BENCHMARK ELECTRONICS ROMANIA SRL | Loc. Ghimbav, Oraş Ghimbav | Braşov | 713.2 m | 829 |
| 6 | MIELE TEHNICA SRL | Bucureşti Sectorul 1 | Bucureşti | 519.2 m | — |
| 7 | IFM PROVER SRL | Municipiul Sibiu | Sibiu | 352.3 m | 297 |
| 8 | IFM EFECTOR SRL | Sat Cristian, Comuna Cristian | Sibiu | 258.0 m | 401 |
| 9 | PANDUIT EUROPEAN SOLUTIONS SRL | Municipiul Arad | Arad | 237.2 m | 424 |
| 10 | A-E ELECTRONICS SA | Municipiul Bacău | Bacău | 231.6 m | 289 |
| 11 | HELBAKO ELECTRONICA SRL | Sat Ghiroda, Comuna Ghiroda | Timiş | 218.9 m | 154 |
| 12 | SUMIDA ROMANIA SRL | Loc. Jimbolia, Oraş Jimbolia | Timiş | 205.1 m | 589 |
| 13 | KENDRION AUTOMOTIVE (SIBIU) SRL | Municipiul Sibiu | Sibiu | 201.9 m | 203 |
| 14 | SOLERO TECHNOLOGIES SIBIU S.R.L. | Municipiul Sibiu | Sibiu | 132.6 m | 189 |
| 15 | KENDRION INDUSTRIAL (SIBIU) SRL | Municipiul Sibiu | Sibiu | 102.1 m | 170 |
| 16 | ERGAD TECHNOLOGY SRL | Municipiul Arad | Arad | 64.4 m | 134 |
| 17 | AKRON RO S.R.L. | Sat Mărgineni, Comuna Mărgineni | Bacău | 58.6 m | 124 |
| 18 | ELCONET SRL | Municipiul Cluj-Napoca | Cluj | 55.8 m | 18 |
| 19 | TELCO - PE SRL | Municipiul Timişoara | Timiş | 55.5 m | 387 |
| 20 | EXOR ELECTRONICA S.R.L. | Loc. Râşnov, Oraş Râşnov | Braşov | 47.8 m | — |
| 21 | Elma Electronic Romania SRL | Bucureşti Sectorul 1 | Bucureşti | 39.2 m | 150 |
| 22 | SHINHEUNG ELECTRONICS SRL | Municipiul Oradea | Bihor | 37.4 m | 55 |
| 23 | NUINTEK EUROPE SRL | Municipiul Ploieşti | Prahova | 30.3 m | 37 |
| 24 | VERDE ELECTRIC CORPORATION S.R.L. | Bucureşti Sectorul 2 | Bucureşti | 29.7 m | 31 |
| 25 | VARI BLUE SRL | Loc. Măcin, Oraş Măcin | Tulcea | 27.8 m | 249 |
| 26 | SNE EUROPE SRL | Municipiul Arad | Arad | 20.5 m | 36 |
| 27 | EMS-ELECTRA SRL | Sat Brătuleni, Comuna Miroslava | Iaşi | 16.0 m | 43 |
| 28 | DIEHL CONTROLS ROMANIA S.R.L. | Municipiul Braşov | Braşov | 15.2 m | 10 |
| 29 | ARIONTEC SRL | Municipiul Mediaş | Sibiu | 13.3 m | 134 |
| 30 | ECAS ELECTRO SRL | Bucureşti Sectorul 4 | Bucureşti | 12.7 m | 26 |
| 31 | ELECTRO PROMEX INVEST S.R.L. | Municipiul Petroşani | Hunedoara | 12.3 m | 16 |
| 32 | REOS PRODUCTION SRL | Municipiul Giurgiu | Giurgiu | 9.0 m | 85 |
| 33 | KNORR-BREMSE SRL | Bucureşti Sectorul 4 | Bucureşti | 8.7 m | 12 |
| 34 | AUXITEL CONECT SRL | Bucureşti Sectorul 3 | Bucureşti | 8.6 m | — |
| 35 | MB ROMANIA S.R.L. | Municipiul Hunedoara | Hunedoara | 6.6 m | 21 |
| 36 | NOKTO ELECTRONICS S.R.L. | Municipiul Timişoara | Timiş | 6.1 m | 1 |
| 37 | WH TECHNOLOGIES CABLE & ELECTRONICS S.R.L. | Municipiul Buzău | Buzău | 5.8 m | 64 |
| 38 | LEVTECH SERVICE & PRODUCTION SRL | Sat Lueta, Comuna Lueta | Harghita | 5.3 m | 14 |
| 39 | EMC - EMBEDDED MODULAR COMPUTERS S.R.L. | Sat Tamaşi, Comuna Corbeanca | Ilfov | 5.1 m | 2 |
| 40 | AMI TRADE SRL | Sat Chişoda, Comuna Giroc | Timiş | 4.2 m | 9 |
| 41 | BEDIA SENSORS RO S.R.L. | Bucureşti Sectorul 3 | Bucureşti | 3.8 m | 18 |
| 42 | SOLAR WAY PV S.R.L. | Bucureşti Sectorul 2 | Bucureşti | 3.8 m | — |
| 43 | MIBATRON SRL | Bucureşti Sectorul 2 | Bucureşti | 3.8 m | 8 |
| 44 | TECHNOSYS SRL | Municipiul Ploieşti | Prahova | 3.5 m | 6 |
| 45 | QUINTRIX IMPEX SRL | Municipiul Craiova | Dolj | 3.4 m | 6 |
| 46 | DIGITRONICS SERVICES SRL | Bucureşti Sectorul 6 | Bucureşti | 3.4 m | 4 |
| 47 | FIRETEK SRL | Sat Holboca, Comuna Holboca | Iaşi | 3.3 m | 1 |
| 48 | MAGNET ONLINE SHOP S.R.L. | Municipiul Cluj-Napoca | Cluj | 3.2 m | 5 |
| 49 | ARISEP SRL | Municipiul Arad | Arad | 3.1 m | 5 |
| 50 | GAMMA MANUFACTURING SRL | Municipiul Curtea de Argeş | Argeş | 3.1 m | 7 |
| 51 | NO BRAND EXPRESS TEAM SRL | Bucureşti Sectorul 3 | Bucureşti | 2.8 m | 7 |
| 52 | ORKA ROMANIA S.R.L. | Municipiul Suceava | Suceava | 2.8 m | 33 |
| 53 | INFINE SMART SOLUTIONS SRL | Municipiul Bistriţa | Bistriţa-Năsăud | 2.6 m | 5 |
| 54 | ESO ELECTRONIC SRL | Loc. Lipova, Oraş Lipova | Arad | 2.5 m | 25 |
| 55 | DDM HOPT+SCHULER S.R.L. | Municipiul Alba Iulia | Alba | 2.2 m | 24 |
| 56 | PREST SERV CONSULT SRL | Municipiul Curtea de Argeş | Argeş | 2.0 m | 31 |
| 57 | TURBON SE-TEC ELECTRONICS S.R.L. | Municipiul Olteniţa | Călăraşi | 1.9 m | 0 |
| 58 | SAMWAY ELECTRONIC SRL | Bucureşti Sectorul 3 | Bucureşti | 1.8 m | 3 |
| 59 | SEP ARAD SRL | Municipiul Arad | Arad | 1.8 m | 5 |
| 60 | E-BODA ELECTRONICS SRL | Sat Căldăraru, Comuna Cernica | Ilfov | 1.7 m | 1 |
| 61 | TEKNO SYSTEM PROD SRL | Municipiul Deva | Hunedoara | 1.6 m | 17 |
| 62 | FIRST CLASS ESTATE S.R.L. | Sat Corunca, Comuna Corunca | Mureş | 1.6 m | 6 |
| 63 | DYNAMIC TECHNOLOGY ENGINEERING SRL | Bucureşti Sectorul 6 | Bucureşti | 1.5 m | 2 |
| 64 | SIRMIOCONECT SRL | Sat Bălceşti, Comuna Bengeşti-Ciocadia | Gorj | 1.5 m | 4 |
| 65 | COMPUTIME TECHNOLOGIES S.R.L. | Municipiul Cluj-Napoca | Cluj | 1.4 m | 14 |
| 66 | QUALITRON ELECTRONICA SRL | Sat Urleta, Comuna Băneşti | Prahova | 1.3 m | 12 |
| 67 | AUTOZONE SRL | Municipiul Timişoara | Timiş | 1.1 m | 1 |
| 68 | PHOENIX PCB SRL | Bucureşti Sectorul 6 | Bucureşti | 1.0 m | 3 |
| 69 | BAM PROTOTYPES S.R.L. | Municipiul Satu Mare | Satu Mare | 1.0 m | 2 |
| 70 | FELIX ELECTRONIC SERVICES SRL | Bucureşti Sectorul 2 | Bucureşti | 942 k | 7 |
| 71 | MITANGO SRL | Municipiul Oradea | Bihor | 917 k | 0 |
| 72 | TIVAN PLAST SRL | Municipiul Oradea | Bihor | 913 k | 2 |
| 73 | AUTOMATROM SRL | Bucureşti Sectorul 1 | Bucureşti | 859 k | 2 |
| 74 | PROSERV INDUSTRY SRL | Municipiul Cluj-Napoca | Cluj | 693 k | 1 |
| 75 | ALTIUS FOTOVOLTAIC SRL | Municipiul Giurgiu | Giurgiu | 613 k | 0 |
| 76 | GUENTHER IMPEX SRL | Municipiul Oradea | Bihor | 590 k | 4 |
| 77 | REANART WHITEPLAST S.R.L. | Loc. Odobeşti, Oraş Odobeşti | Vrancea | 561 k | 4 |
| 78 | ELECTRO CREATIV SRL | Municipiul Buzău | Buzău | 534 k | 3 |
| 79 | BITSPACE SRL | Bucureşti Sectorul 2 | Bucureşti | 526 k | 1 |
| 80 | GREEN CONSULT SRL | Bucureşti Sectorul 2 | Bucureşti | 522 k | 2 |
| 81 | CIRCUIT MEISTER S.R.L. | Bucureşti Sectorul 4 | Bucureşti | 507 k | 1 |
| 82 | LEDCORE SRL | Municipiul Oradea | Bihor | 420 k | 1 |
| 83 | DCMOTT SRL | Sat Balciu, Comuna Miroslava | Iaşi | 372 k | 2 |
| 84 | INTELIGENT ELECTRONIC SOLUTION SRL | Sat Tărlungeni, Comuna Tărlungeni | Braşov | 345 k | 1 |
| 85 | PROIMPACT NEW SOLUTIONS S.R.L. | Municipiul Cluj-Napoca | Cluj | 323 k | 1 |
| 86 | LORAND SRL | Municipiul Craiova | Dolj | 309 k | 2 |
| 87 | ELECTRO-ASSEMBLIES S.R.L. | Sat Valiug, Comuna Valiug | Caraş-Severin | 305 k | 1 |
| 88 | BITELECTRIC SYSTEMS S.R.L. | Bucureşti Sectorul 3 | Bucureşti | 279 k | — |
| 89 | ELECTRONIC CIRCUIT SRL | Loc. Măgurele, Oraş Măgurele | Ilfov | 249 k | 1 |
| 90 | ELJS-TEKNIC S.R.L. | Municipiul Arad | Arad | 239 k | 1 |
| 91 | LUMPED ELEMENTS SRL | Loc. Măgurele, Oraş Măgurele | Ilfov | 212 k | 0 |
| 92 | ELFELECTRONICART S.R.L. | Sat Linia Hanului, Comuna Nicolae Bălcescu | Vâlcea | 174 k | 0 |
| 93 | PASSCHIP PRO S.R.L. | Bucureşti Sectorul 1 | Bucureşti | 166 k | 1 |
| 94 | SAFEAND SOLUTIONS S.R.L. | Sat Joseni, Comuna Joseni | Harghita | 166 k | 1 |
| 95 | QLT RO SRL | Sat Urleta, Comuna Băneşti | Prahova | 146 k | 1 |
| 96 | TECHNO GAMES SRL | Bucureşti Sectorul 5 | Bucureşti | 142 k | 1 |
| 97 | DALL MECHATRON S.R.L. | Municipiul Sibiu | Sibiu | 141 k | 0 |
| 98 | KIROAGE MARKET SRL | Sat Călienii Vechi, Comuna Năneşti | Vrancea | 118 k | 1 |
| 99 | ELECTRIC ERA TEHNOLOGIES S.R.L. | Sat Siretel, Comuna Sireţel | Iaşi | 117 k | 0 |
| 100 | R & D SOFTWARE SOLUTIONS SRL | Bucureşti Sectorul 5 | Bucureşti | 106 k | 1 |