| 1 | EATON ELECTRO PRODUCTIE SRL | Sat Sarbi, Comuna Fărcaşa | Maramureş | 1.7 bn | 1,720 |
| 2 | ELECTRO-ALFA INTERNATIONAL S.A. | Municipiul Botoşani | Botoşani | 831.4 m | 377 |
| 3 | EXIMPROD POWER SYSTEMS SRL | Comuna Ceptura | Prahova | 256.7 m | 196 |
| 4 | ELECTRO SISTEM SRL | Municipiul Baia Mare | Maramureş | 167.3 m | 412 |
| 5 | BACHMANN ROMANIA SRL | Municipiul Mediaş | Sibiu | 117.2 m | 222 |
| 6 | ENERGOM SRL | Municipiul Cluj-Napoca | Cluj | 75.5 m | 152 |
| 7 | UNIONALPHA S.P.A. COMUNANZA SUCURSALA CLUJ NAPOCA | Municipiul Cluj-Napoca | Cluj | 73.4 m | 162 |
| 8 | ELECTROTEL SA | Municipiul Alexandria | Teleorman | 65.8 m | 403 |
| 9 | ENEROPTIM SRL | Bucureşti Sectorul 3 | Bucureşti | 56.2 m | 20 |
| 10 | EUROSIC SA | Bucureşti Sectorul 6 | Bucureşti | 52.6 m | 48 |
| 11 | AEG SOLAR ENERGY S.R.L. | Municipiul Olteniţa | Călăraşi | 50.4 m | 56 |
| 12 | COMTEC 2000 INC. SRL | Bucureşti Sectorul 6 | Bucureşti | 49.9 m | 67 |
| 13 | STRATUM ENCLOSURES SRL | Bucureşti Sectorul 3 | Bucureşti | 49.8 m | 91 |
| 14 | ENOVA AUTOMATION & SERVICES SRL | Loc. Rovinari, Oraş Rovinari | Gorj | 43.1 m | 86 |
| 15 | ICPE ACTEL SA | Bucureşti Sectorul 3 | Bucureşti | 40.1 m | 58 |
| 16 | ENERGY CONTROL SYSTEMS SRL | Bucureşti Sectorul 3 | Bucureşti | 39.9 m | — |
| 17 | RECOMPLAST SRL | Municipiul Buzău | Buzău | 39.3 m | 129 |
| 18 | PROBIT SRL | Bucureşti Sectorul 2 | Bucureşti | 38.1 m | 33 |
| 19 | ELRO SRL | Sat Lazu, Comuna Agigea | Constanţa | 37.7 m | 34 |
| 20 | TECHNOELECTRIC SRL | Bucureşti Sectorul 2 | Bucureşti | 32.7 m | 41 |
| 21 | ELECTROTEHNO SRL | Municipiul Bacău | Bacău | 30.3 m | 62 |
| 22 | ELECTROTEHNICA EM S.A. | Bucureşti Sectorul 4 | Bucureşti | 26.9 m | 58 |
| 23 | ELECTROECHIPAMENT SRL | Loc. Bocşa, Oraş Bocşa | Caraş-Severin | 26.0 m | 61 |
| 24 | TOTAL ELECTRIC AUTOMATIZĂRI SRL | Municipiul Buzău | Buzău | 23.5 m | 52 |
| 25 | STM ELETTROMECCANICA SRL | Municipiul Blaj | Alba | 19.7 m | 170 |
| 26 | INSTA ELECTRIC SA | Municipiul Focşani | Vrancea | 19.5 m | 57 |
| 27 | RELEE SA | Municipiul Mediaş | Sibiu | 18.2 m | 142 |
| 28 | EL-CO SA | Municipiul Târgu Secuiesc | Covasna | 16.4 m | 70 |
| 29 | OPEN POWER ELECTRIC GLOBAL S.R.L. | Loc. Slănic, Oraş Slănic | Prahova | 16.2 m | 9 |
| 30 | CSATARI PLAST SRL | Municipiul Cluj-Napoca | Cluj | 15.5 m | 10 |
| 31 | HOERBURGER SRL | Sat Şura Mică, Comuna Şura Mică | Sibiu | 15.1 m | 32 |
| 32 | SMART CONTROLS ENGINEERING S.R.L. | Municipiul Ploieşti | Prahova | 14.8 m | 25 |
| 33 | FANTON SRL PADOVA SUCURSALA BUCURESTI | Bucureşti Sectorul 4 | Bucureşti | 14.4 m | 121 |
| 34 | PROENERG SRL | Municipiul Oradea | Bihor | 13.4 m | 23 |
| 35 | ELECTROUTILAJ SA | Municipiul Câmpina | Prahova | 12.8 m | 34 |
| 36 | OTHUA INDUSTRIAL SRL | Comuna Mărăcineni | Argeş | 11.3 m | 19 |
| 37 | ELECTROAPARATAJ SA | Bucureşti Sectorul 2 | Bucureşti | 10.4 m | 39 |
| 38 | LAMIS ENERGY S.R.L. | Bucureşti Sectorul 3 | Bucureşti | 10.3 m | 7 |
| 39 | ASACO ELECTRIC SRL | Sat Tomeşti, Comuna Tomeşti | Iaşi | 10.3 m | 11 |
| 40 | KRONTAB ELECTRIC S.R.L. | Municipiul Braşov | Braşov | 10.2 m | 12 |
| 41 | ORIGINAL COM SRL | Municipiul Târgovişte | Dâmboviţa | 9.6 m | 27 |
| 42 | CONECT ELECTRIC SRL | Municipiul Sibiu | Sibiu | 9.4 m | 18 |
| 43 | DABC ECOPROD SRL | Municipiul Piteşti | Argeş | 9.3 m | 17 |
| 44 | OBIECTIV INVEST S.R.L. | Sat Bizuşa Băi, Comuna Ileanda | Sălaj | 9.3 m | 17 |
| 45 | MEDIUM ELECTRIC SRL | Bucureşti Sectorul 1 | Bucureşti | 9.2 m | 16 |
| 46 | INDAELTRAC SRL | Municipiul Craiova | Dolj | 8.8 m | 55 |
| 47 | AVE MURES SRL | Loc. Ungheni, Oraş Ungheni | Mureş | 8.5 m | 93 |
| 48 | LR E MOTION SRL | Municipiul Cluj-Napoca | Cluj | 8.2 m | 7 |
| 49 | ELECTRO MEDIAS CONFECTII S.R.L. | Municipiul Mediaş | Sibiu | 8.1 m | 35 |
| 50 | INGINERIE SI TEHNOLOGIE INDUSTRIALA ELECTRA SRL | Bucureşti Sectorul 6 | Bucureşti | 8.0 m | 30 |
| 51 | SABER INDUSTRY SRL | Bucureşti Sectorul 4 | Bucureşti | 7.9 m | 24 |
| 52 | INVEST ELECTRIC PRODUCTION S.R.L. | Municipiul Dej | Cluj | 7.7 m | 1 |
| 53 | ELECO SYSTEM SRL | Bucureşti Sectorul 2 | Bucureşti | 7.6 m | 11 |
| 54 | ELROM SRL | Municipiul Bacău | Bacău | 7.6 m | 17 |
| 55 | DUX ELECTRIC PANELS SRL | Bucureşti Sectorul 3 | Bucureşti | 7.4 m | 7 |
| 56 | ALIZ METAB SRL | Sat Căldăraru, Comuna Cernica | Ilfov | 7.4 m | 17 |
| 57 | ELECTROMECANICA SATU MARE SRL | Sat Botiz, Comuna Botiz | Satu Mare | 7.3 m | 18 |
| 58 | DUE PI SERVICE RO SRL | Loc. Otopeni, Oraş Otopeni | Ilfov | 7.1 m | 11 |
| 59 | ALPS SOLAR S.R.L. | Bucureşti Sectorul 2 | Bucureşti | 7.0 m | 0 |
| 60 | INELEC ENGINEERING S.R.L. | Municipiul Piteşti | Argeş | 6.7 m | 22 |
| 61 | WORKING TECHNOLOGY S.R.L. | Loc. Ulmeni, Oraş Ulmeni | Maramureş | 6.1 m | 0 |
| 62 | TECHNOSAM SRL | Municipiul Satu Mare | Satu Mare | 6.1 m | 12 |
| 63 | ELECTROMOBIGAM SRL | Sat Smârdan, Comuna Smârdan | Galaţi | 5.9 m | 11 |
| 64 | ENOVA ELECTRIC S.R.L. | Municipiul Craiova | Dolj | 5.8 m | 32 |
| 65 | TRIPOL SISTEM ENGINEERING S.R.L. | Municipiul Buzău | Buzău | 5.8 m | 11 |
| 66 | TABLOMET SRL | Bucureşti Sectorul 3 | Bucureşti | 5.4 m | 20 |
| 67 | BLEU ELECTRIQUE ROMANIA SRL | Loc. Pantelimon, Oraş Pantelimon | Ilfov | 5.2 m | 37 |
| 68 | EL-NESS SRL | Municipiul Craiova | Dolj | 4.7 m | 6 |
| 69 | C.N.C. LTD EXIM SRL | Bucureşti Sectorul 3 | Bucureşti | 4.3 m | 9 |
| 70 | GLG TECNOSPARK SRL | Sat Oiejdea, Comuna Galda de Jos | Alba | 4.2 m | 6 |
| 71 | ELECTROCONSTRUCT DISTRIBUTIE EEG SRL | Bucureşti Sectorul 4 | Bucureşti | 4.0 m | 1 |
| 72 | SICURO SERVICES S.R.L. | Municipiul Baia Mare | Maramureş | 3.8 m | 74 |
| 73 | BRET PITESTI S.R.L. | Bucureşti Sectorul 4 | Bucureşti | 3.8 m | 2 |
| 74 | ENEERS PRIM S.R.L. | Bucureşti Sectorul 6 | Bucureşti | 3.5 m | 1 |
| 75 | ROMZIN SRL | Sat Lilieci, Comuna Hemeiuş | Bacău | 3.3 m | 1 |
| 76 | LUCADI ELECTRIC SYSTEM S.R.L. | Sat Remetea Chioarului, Comuna Remetea Chioarului | Maramureş | 3.0 m | 28 |
| 77 | FEAG ROMANIA S.R.L. | Bucureşti Sectorul 3 | Bucureşti | 2.9 m | 18 |
| 78 | TMT ELECTRO S.R.L. | Bucureşti Sectorul 4 | Bucureşti | 2.8 m | 6 |
| 79 | SOPREX INTERNATIONAL SRL | Bucureşti Sectorul 5 | Bucureşti | 2.5 m | 10 |
| 80 | EUROSIC SYSTEMS SRL | Bucureşti Sectorul 2 | Bucureşti | 2.3 m | 2 |
| 81 | COMARCOND SRL | Municipiul Oradea | Bihor | 2.2 m | 25 |
| 82 | VLAMER ELECTRIC S.R.L. | Sat Hărman, Comuna Hărman | Braşov | 2.2 m | 4 |
| 83 | ATC ELECTRIC UZIN S.R.L. | Sat Lieşti, Comuna Lieşti | Galaţi | 2.1 m | 5 |
| 84 | INTECH INTEGRATION TECHNOLOGIES SRL | Municipiul Curtea de Argeş | Argeş | 2.1 m | 5 |
| 85 | ART PANELS S.R.L. | Loc. Pantelimon, Oraş Pantelimon | Ilfov | 1.9 m | 5 |
| 86 | CEFEM SRL | Loc. Dumbrăveni, Oraş Dumbrăveni | Sibiu | 1.7 m | 11 |
| 87 | WORKLINE SYSTEM S.R.L. | Municipiul Baia Mare | Maramureş | 1.6 m | 13 |
| 88 | CESI MEP WORKS S.R.L. | Municipiul Craiova | Dolj | 1.6 m | 6 |
| 89 | INTEGRAT ELECTRIC SRL | Bucureşti Sectorul 5 | Bucureşti | 1.5 m | 2 |
| 90 | GLOBAL TAB PRODUCTION S.R.L. | Municipiul Suceava | Suceava | 1.4 m | 1 |
| 91 | GERO ELECTROTECH SRL | Municipiul Satu Mare | Satu Mare | 1.3 m | 17 |
| 92 | ACROM TECHNIC S.R.L. | Sat Moigrad-Porolissum, Comuna Mirşid | Sălaj | 1.2 m | 2 |
| 93 | HQ ENGINEERING INSTAL S.R.L. | Bucureşti Sectorul 6 | Bucureşti | 1.1 m | 1 |
| 94 | MAGNIS ARI SRL | Sat Dumbrava, Comuna Săsciori | Alba | 1.0 m | 2 |
| 95 | WATER LUXE POOLS S.R.L. | Bucureşti Sectorul 5 | Bucureşti | 1.0 m | 1 |
| 96 | POWER EXPERT SRL | Bucureşti Sectorul 6 | Bucureşti | 1.0 m | 1 |
| 97 | SERVICE PANOURI ELECTRICE S.R.L. | Oraş Popeşti Leordeni | Ilfov | 1.0 m | 3 |
| 98 | TEHNO GRUP ACS S.R.L. | Sat Nădăştia, Comuna Almaşu Mare | Alba | 1,000 k | 2 |
| 99 | ELTECH SRL | Municipiul Craiova | Dolj | 980 k | 2 |
| 100 | MULTIMAS SRL | Municipiul Târgu Mureş | Mureş | 976 k | 7 |