| 1 | HARTING ROMÂNIA MANUFACTURING SCS | Municipiul Sibiu | Sibiu | 555.3 m | 923 |
| 2 | CICOR ROMANIA - S.R.L. | Municipiul Arad | Arad | 528.6 m | 622 |
| 3 | CONNECT GROUP ROMANIA S.R.L. | Municipiul Oradea | Bihor | 425.0 m | 1,161 |
| 4 | KIMBALL ELECTRONICS ROMANIA SRL | Bucureşti Sectorul 1 | Bucureşti | 375.7 m | 298 |
| 5 | WENGLOR ELECTRONIC INNOVATION LITO SOCIETATE ÎN COMANDITĂ | Municipiul Sibiu | Sibiu | 158.8 m | 294 |
| 6 | H&T- NPE EAST EUROPE S.R.L. | Sat Mădăras, Comuna Mădăras | Bihor | 147.8 m | 212 |
| 7 | DAHUA TECHNOLOGY SRL | Bucureşti Sectorul 4 | Bucureşti | 81.8 m | 23 |
| 8 | CEDES HERMANNSTADT S.R.L. | Sat Şura Mică, Comuna Şura Mică | Sibiu | 55.4 m | 41 |
| 9 | ELECTRONICA P.M.A. SRL | Municipiul Baia Mare | Maramureş | 52.9 m | 146 |
| 10 | SOLERS SRL | Municipiul Bacău | Bacău | 49.6 m | 170 |
| 11 | LACON ELECTRONIC SRL | Municipiul Galaţi | Galaţi | 29.2 m | 291 |
| 12 | WEIDMULLER LUGOJ S.R.L. | Municipiul Lugoj | Timiş | 27.4 m | 254 |
| 13 | DEFOND ELECTECH S.R.L. | Bucureşti Sectorul 1 | Bucureşti | 20.0 m | 52 |
| 14 | GTK RO SRL | Municipiul Craiova | Dolj | 18.3 m | — |
| 15 | V.E.M. PROIECT LIGHTING SRL | Oraş Popeşti Leordeni | Ilfov | 16.9 m | 25 |
| 16 | LUMITECH BT S.R.L. | Municipiul Braşov | Braşov | 14.8 m | 69 |
| 17 | RESET EMS SRL | Sat Ghiroda, Comuna Ghiroda | Timiş | 14.5 m | 74 |
| 18 | CERB PLAST SRL | Sat Prejmer, Comuna Prejmer | Braşov | 13.1 m | 19 |
| 19 | INTEA ENGINEERING TECNOLOGIE ELETTRONICHE APPLICATE SRL SALE MARASINO SUCURSALA ARAD | Municipiul Arad | Arad | 12.2 m | 22 |
| 20 | MIDAS & CO SRL | Municipiul Urziceni | Ialomiţa | 10.5 m | 77 |
| 21 | VANDEWIELE ROMÂNIA S.R.L. | Sat Ghiroda, Comuna Ghiroda | Timiş | 9.4 m | 106 |
| 22 | LUMITECH SRL | Municipiul Braşov | Braşov | 8.0 m | 67 |
| 23 | GRAND GAZ SRL | Bucureşti Sectorul 4 | Bucureşti | 7.9 m | 27 |
| 24 | AA TEHNIC SRL | Municipiul Craiova | Dolj | 7.8 m | 11 |
| 25 | CALIROM SRL | Municipiul Câmpia Turzii | Cluj | 5.0 m | 12 |
| 26 | ARANTRONIC RO SRL | Loc. Moldova Veche, Oraş Moldova Nouă | Caraş-Severin | 4.2 m | 67 |
| 27 | UNO ENGINEERING SRL | Sat Sîngeorgiu de Mureş, Comuna Sîngeorgiu de Mureş | Mureş | 3.6 m | 6 |
| 28 | BOX2M ENGINEERING SRL | Bucureşti Sectorul 3 | Bucureşti | 3.2 m | 5 |
| 29 | FRONTIER PENTA S.R.L. | Municipiul Braşov | Braşov | 3.0 m | 3 |
| 30 | KALRAY ROMANIA S.R.L. | Bucureşti Sectorul 1 | Bucureşti | 2.9 m | 5 |
| 31 | ANTARES ELECTRONICS SRL | Municipiul Arad | Arad | 2.4 m | 23 |
| 32 | GREEN LEAP S.R.L. | Bucureşti Sectorul 1 | Bucureşti | 1.9 m | 1 |
| 33 | SELETRON-SOFTWARE SI AUTOMATIZARI SRL | Bucureşti Sectorul 2 | Bucureşti | 1.8 m | 4 |
| 34 | ADVANCED SYSTEMS S.R.L. | Municipiul Târgovişte | Dâmboviţa | 1.4 m | 1 |
| 35 | EASY ELECTRONIC SRL | Sat Maşloc, Comuna Maşloc | Timiş | 1.2 m | 14 |
| 36 | SMARTECH SRL | Municipiul Călăraşi | Călăraşi | 1.2 m | 4 |
| 37 | CLOUD MONITORING SERVICES S.R.L. | Municipiul Târgu Mureş | Mureş | 1.0 m | 2 |
| 38 | SALVARANI ROM SRL | Loc. Segarcea, Oraş Segarcea | Dolj | 984 k | 2 |
| 39 | IMROD S.R.L. | Sat Mănăstirea, Comuna Crevedia | Dâmboviţa | 917 k | 14 |
| 40 | IVSYS SRL | Sat Mirăslău, Comuna Mirăslău | Alba | 716 k | 5 |
| 41 | SOFT TEX CLEAN SRL | Municipiul Baia Mare | Maramureş | 703 k | 2 |
| 42 | OVITECH SERVICE 2012 S.R.L. | Municipiul Arad | Arad | 671 k | 1 |
| 43 | MCB ELECTRONIC MANUFACTURING SERVICES SRL | Sat Viişoara, Comuna Viişoara | Cluj | 634 k | 32 |
| 44 | BIOELECTRONIC SRL | Municipiul Ploieşti | Prahova | 566 k | 2 |
| 45 | BGP SOLUTIONS S.R.L. | Sat Cicârlău, Comuna Cicârlău | Maramureş | 497 k | 9 |
| 46 | XTRATECRO SRL | Sat Iecea Mare, Comuna Iecea Mare | Timiş | 468 k | 3 |
| 47 | CLOUD CENTER INVESTMENT S.R.L. | Bucureşti Sectorul 1 | Bucureşti | 384 k | 10 |
| 48 | YELLOW LINE SERVICES S.R.L. | Bucureşti Sectorul 3 | Bucureşti | 366 k | 0 |
| 49 | ELMODAN ELECTRONICS SRL | Bucureşti Sectorul 3 | Bucureşti | 334 k | 0 |
| 50 | ZVT MICROCONTROLLER S.R.L. | Bucureşti Sectorul 4 | Bucureşti | 313 k | 0 |
| 51 | SOLEUX ELECTRONICS S.R.L. | Oraş Teiuş | Alba | 307 k | 1 |
| 52 | NASECA INDUSTRIES SRL | Bucureşti Sectorul 5 | Bucureşti | 268 k | 1 |
| 53 | SMALLSERIES SRL | Sat Sîngeorgiu de Mureş, Comuna Sîngeorgiu de Mureş | Mureş | 257 k | 1 |
| 54 | SMARTY CREATIVE IT SOLUTIONS S.R.L. | Sat Vânători, Comuna Popricani | Iaşi | 248 k | 1 |
| 55 | EVOTRONIX S.R.L. | Municipiul Ploieşti | Prahova | 238 k | 1 |
| 56 | SAMPLE SHOP PCB S.R.L. | Municipiul Piteşti | Argeş | 233 k | 1 |
| 57 | TEHNOBIT IC S.R.L. | Sat Baciu, Comuna Baciu | Cluj | 229 k | 1 |
| 58 | BANEASA SILICON SRL | Bucureşti Sectorul 1 | Bucureşti | 200 k | 1 |
| 59 | LOGI SCAN S.R.L. | Sat Floreşti, Comuna Floreşti | Cluj | 198 k | 1 |
| 60 | GREENTEK RESEARCH S.R.L. | Sat Mănăstirea, Comuna Crevedia | Dâmboviţa | 191 k | — |
| 61 | PULSTECH IQ TECHNOLOGY SRL | Bucureşti Sectorul 5 | Bucureşti | 187 k | 1 |
| 62 | LED TECHNOLOGY DINCA S.R.L. | Bucureşti Sectorul 2 | Bucureşti | 181 k | 0 |
| 63 | MOKALIFE SRL | Bucureşti Sectorul 5 | Bucureşti | 171 k | 1 |
| 64 | DANIEL ELECTRONICS & WINDING SOLUTIONS SRL | Sat Drăgăneşti-Vlaşca, Comuna Drăgăneşti-Vlaşca | Teleorman | 163 k | — |
| 65 | QUINTRIX TECHNOLOGY DISTRIBUTION S.R.L. | Bucureşti Sectorul 2 | Bucureşti | 150 k | 1 |
| 66 | HABOS TYRE SRL | Loc. Cristuru Secuiesc, Oraş Cristuru Secuiesc | Harghita | 143 k | 15 |
| 67 | NEXON ENGINEERING S.R.L. | Sat Mătrici, Comuna Eremitu | Mureş | 139 k | 1 |
| 68 | FRACTAL LOGIC S.R.L. | Sat Bogdan Vodă, Comuna Săuceşti | Bacău | 132 k | 1 |
| 69 | DILLER BYTECH S.R.L. | Municipiul Oradea | Bihor | 114 k | 1 |
| 70 | PLANTARE & PROIECTARE PCB S.R.L. | Municipiul Braşov | Braşov | 104 k | 1 |
| 71 | RADIO ENGINEERING SRL | Municipiul Galaţi | Galaţi | 67 k | 0 |
| 72 | CRITECRO S.R.L. | Municipiul Galaţi | Galaţi | 54 k | 0 |
| 73 | AVIANOVA SOCIETATE CU RASPUNDERE LIMITATĂ | Sat Mănăstirea, Comuna Crevedia | Dâmboviţa | 54 k | 1 |
| 74 | TRANSYLVANIA INNOVATION S.R.L. | Municipiul Târgu Mureş | Mureş | 40 k | 0 |
| 75 | COJOTECH SRL | Bucureşti Sectorul 3 | Bucureşti | 37 k | 0 |
| 76 | SWD ROBOTIC S.R.L. | Comuna Sânpetru | Braşov | 35 k | 1 |
| 77 | ARCTOS INNOVATION SRL | Bucureşti Sectorul 1 | Bucureşti | 23 k | 0 |
| 78 | MECRO IMPEX SRL | Municipiul Cluj-Napoca | Cluj | 20 k | 0 |
| 79 | AT-E ATELIERUL DE ELECTRONICA S.R.L. | Municipiul Braşov | Braşov | 9 k | 0 |
| 80 | VATRA SITNEI SRL | Municipiul Botoşani | Botoşani | 9 k | 1 |
| 81 | BRIGHT DEVICES S.R.L. | Municipiul Sibiu | Sibiu | 6 k | 0 |
| 82 | INTERCONTI INDUSTRIE SRL | Municipiul Baia Mare | Maramureş | 0 | — |
| 83 | SUPORT MONTAJ SRL | Loc. Odobeşti, Oraş Odobeşti | Vrancea | 0 | 0 |