| 1 | ROBERT BOSCH SRL | Bucureşti Sectorul 1 | Bucureşti | 7.9 bn | 5,300 |
| 2 | AUMOVIO TECHNOLOGIES ROMANIA S.R.L. | Municipiul Timişoara | Timiş | 7.4 bn | 8,304 |
| 3 | HELLA ROMÂNIA SRL | Sat Ghiroda, Comuna Ghiroda | Timiş | 4.1 bn | 4,941 |
| 4 | AUMOVIO SYSTEMS ROMANIA S.R.L. | Municipiul Sibiu | Sibiu | 3.2 bn | 2,907 |
| 5 | DAR DRAXLMAIER AUTOMOTIVE SRL | Municipiul Timişoara | Timiş | 1.5 bn | 1,337 |
| 6 | MARQUARDT SCHALTSYSTEME SCS | Municipiul Sibiu | Sibiu | 1.3 bn | 1,539 |
| 7 | YAZAKI ROMANIA SRL | Municipiul Ploieşti | Prahova | 1.1 bn | 3,249 |
| 8 | LEONI WIRING SYSTEMS RO SRL | Municipiul Bistriţa | Bistriţa-Năsăud | 1.1 bn | 3,486 |
| 9 | LEONI WIRING SYSTEMS ARAD SRL | Municipiul Arad | Arad | 894.0 m | 3,197 |
| 10 | HIRSCHMANN AUTOMOTIVE TM S.R.L. | Sat Chirileu, Comuna Sînpaul | Mureş | 659.8 m | 1,698 |
| 11 | LEONI WIRING SYSTEMS PITEŞTI SRL | Sat Bascov, Comuna Bascov | Argeş | 578.9 m | 1,948 |
| 12 | KYOCERA AVX COMPONENTS (TIMISOARA) S.R.L. | Sat Remetea Mare, Comuna Remetea Mare | Timiş | 570.0 m | 485 |
| 13 | YAZAKI COMPONENT TECHNOLOGY SRL | Municipiul Arad | Arad | 529.8 m | 801 |
| 14 | YAZAKI SYSTEMS AUTOMOTIVE SRL | Bucureşti Sectorul 2 | Bucureşti | 505.7 m | 14 |
| 15 | KROMBERG & SCHUBERT ROMÂNIA ME SRL | Municipiul Mediaş | Sibiu | 479.0 m | 1,886 |
| 16 | SE BORDNETZE SRL | Sat Buchin, Comuna Buchin | Caraş-Severin | 464.9 m | 1,483 |
| 17 | HARTING RO AUTOMOTIVE SRL | Loc. Agnita, Oraş Agnita | Sibiu | 356.1 m | 606 |
| 18 | KROMBERG & SCHUBERT ROMÂNIA NA SRL | Sat Nădab, Oraş Chişineu-Criş | Arad | 296.6 m | 1,206 |
| 19 | ECKERLE AUTOMOTIVE SRL | Municipiul Cluj-Napoca | Cluj | 260.3 m | 670 |
| 20 | MENNEKES ELECTRIC S.R.L. | Municipiul Cluj-Napoca | Cluj | 190.5 m | 118 |
| 21 | POLYCONTACT HERMANNSTADT SRL | Loc. Ocna Sibiului, Oraş Ocna Sibiului | Sibiu | 179.1 m | 319 |
| 22 | FUJIKURA AUTOMOTIVE ROMANIA SRL | Municipiul Cluj-Napoca | Cluj | 90.7 m | 477 |
| 23 | E-CABLAJE S.A. | Municipiul Bistriţa | Bistriţa-Năsăud | 72.1 m | 338 |
| 24 | FENGMEI NEW ENERGY AUTOMOTIVE TECHNOLOGY S.R.L. | Municipiul Codlea | Braşov | 46.9 m | 81 |
| 25 | KABLEM ROMANIA S.R.L. | Municipiul Câmpulung Moldovenesc | Suceava | 46.3 m | 36 |
| 26 | IWIS ENGINE SYSTEM S.R.L. | Bucureşti Sectorul 6 | Bucureşti | 29.1 m | 144 |
| 27 | STELLWAG ELECTROPROD SRL | Loc. Năsăud, Oraş Năsăud | Bistriţa-Năsăud | 23.9 m | 87 |
| 28 | GIC & GJM AUTOMOTIVE HARNESSES SRL | Municipiul Piteşti | Argeş | 23.8 m | 79 |
| 29 | GJM COMPONENTS SRL | Sat Prejmer, Comuna Prejmer | Braşov | 21.4 m | 46 |
| 30 | TP ELECTRICS S.R.L. | Municipiul Olteniţa | Călăraşi | 20.5 m | 71 |
| 31 | COMPANY MED SRL | Sat Pechea, Comuna Pechea | Galaţi | 20.4 m | 172 |
| 32 | VARROC ROMANIA S.A. | Municipiul Târgu Mureş | Mureş | 18.7 m | 95 |
| 33 | T & T CABLE SYSTEM SRL | Municipiul Braşov | Braşov | 13.9 m | 62 |
| 34 | E.M.W. SRL | Comuna Simnicu de Sus | Dolj | 12.7 m | 60 |
| 35 | MRB PROD SYSTEMS S.R.L. | Sat Vad, Comuna Vad | Cluj | 5.8 m | 83 |
| 36 | EPROM CABLAJ - SYSTEM SRL | Sat Bascov, Comuna Bascov | Argeş | 5.5 m | 46 |
| 37 | KABELSYSTEME HATZFELD SRL | Loc. Jimbolia, Oraş Jimbolia | Timiş | 5.1 m | 42 |
| 38 | M.P.M. SRL | Municipiul Reşiţa | Caraş-Severin | 4.5 m | 38 |
| 39 | ISPW S.R.L. | Municipiul Craiova | Dolj | 4.3 m | 83 |
| 40 | BM BRIDGE S.R.L. | Municipiul Sfântu Gheorghe | Covasna | 3.9 m | 47 |
| 41 | DELPHI PACKARD MOLDOVA NOUA SRL | Loc. Moldova Nouă, Oraş Moldova Nouă | Caraş-Severin | 3.3 m | 0 |
| 42 | ISOTRAD WIRINGS S.R.L. | Sat Lăcriţa Mică, Comuna Robăneşti | Dolj | 2.8 m | 13 |
| 43 | ISOTRAD PRODUCTION SRL | Sat Lăcriţa Mică, Comuna Robăneşti | Dolj | 2.5 m | 6 |
| 44 | ISOTRAD CABLES S.R.L. | Sat Lăcriţa Mică, Comuna Robăneşti | Dolj | 1.6 m | 10 |
| 45 | INSPIRE SRL | Loc. Cisnădie, Oraş Cisnădie | Sibiu | 1.5 m | 4 |
| 46 | BM PROLOGS S.R.L. | Municipiul Sfântu Gheorghe | Covasna | 1.5 m | 0 |
| 47 | ROMANIAN SELF SERVICE SRL | Municipiul Bacău | Bacău | 1.4 m | 4 |
| 48 | RX ASSEMBLY S.R.L. | Municipiul Târgu Mureş | Mureş | 861 k | 14 |
| 49 | EUROMONT IMPEX SRL | Municipiul Arad | Arad | 744 k | 5 |
| 50 | PROFESSIONAL CARP SRL | Sat Sânpetru, Comuna Sânpetru | Braşov | 483 k | 1 |
| 51 | RUS ELECTROMIC SRL | Municipiul Bistriţa | Bistriţa-Năsăud | 399 k | 3 |
| 52 | MALVINA ELECTRO COMPANY SRL | Municipiul Deva | Hunedoara | 380 k | 1 |
| 53 | ELECTROAPARATAJ TRACTIUNE SRL | Bucureşti Sectorul 2 | Bucureşti | 372 k | 1 |
| 54 | REKOL ELECTRIC SRL | Bucureşti Sectorul 6 | Bucureşti | 368 k | 1 |
| 55 | SUENOVOLT S.R.L. | Municipiul Carei | Satu Mare | 251 k | 1 |
| 56 | DIAGNOSTIC CARTECH SOLUTIONS S.R.L. | Municipiul Craiova | Dolj | 205 k | 1 |
| 57 | GOTRONIC SRL | Municipiul Târgu Mureş | Mureş | 199 k | 1 |
| 58 | PLAKONI ROMANIA SRL | Bucureşti Sectorul 3 | Bucureşti | 39 k | 0 |
| 59 | TEST SETUP SOLUTIONS S.R.L. | Sat Miroslava, Comuna Miroslava | Iaşi | 12 k | 0 |
| 60 | API WIRING S.R.L. | Municipiul Dej | Cluj | 3 k | 0 |
