| 1 | EATON ELECTRO PRODUCTIE SRL | Sat Sarbi, Comuna Fărcaşa | Maramureş | 126.8 m | 1,720 |
| 2 | ELECTRO-ALFA INTERNATIONAL S.A. | Municipiul Botoşani | Botoşani | 98.3 m | 377 |
| 3 | EXIMPROD POWER SYSTEMS SRL | Comuna Ceptura | Prahova | 34.2 m | 196 |
| 4 | ICPE ACTEL SA | Bucureşti Sectorul 3 | Bucureşti | 11.0 m | 58 |
| 5 | ELECTRO SISTEM SRL | Municipiul Baia Mare | Maramureş | 10.1 m | 412 |
| 6 | UNIONALPHA S.P.A. COMUNANZA SUCURSALA CLUJ NAPOCA | Municipiul Cluj-Napoca | Cluj | 9.0 m | 162 |
| 7 | ENEROPTIM SRL | Bucureşti Sectorul 3 | Bucureşti | 8.6 m | 20 |
| 8 | COMTEC 2000 INC. SRL | Bucureşti Sectorul 6 | Bucureşti | 5.6 m | 67 |
| 9 | ENERGY CONTROL SYSTEMS SRL | Bucureşti Sectorul 3 | Bucureşti | 4.8 m | — |
| 10 | OPEN POWER ELECTRIC GLOBAL S.R.L. | Loc. Slănic, Oraş Slănic | Prahova | 4.7 m | 9 |
| 11 | TOTAL ELECTRIC AUTOMATIZĂRI SRL | Municipiul Buzău | Buzău | 4.1 m | 52 |
| 12 | TECHNOELECTRIC SRL | Bucureşti Sectorul 2 | Bucureşti | 3.8 m | 41 |
| 13 | OTHUA INDUSTRIAL SRL | Comuna Mărăcineni | Argeş | 3.5 m | 19 |
| 14 | CSATARI PLAST SRL | Municipiul Cluj-Napoca | Cluj | 3.4 m | 10 |
| 15 | ELECTROTEHNO SRL | Municipiul Bacău | Bacău | 3.4 m | 62 |
| 16 | ELRO SRL | Sat Lazu, Comuna Agigea | Constanţa | 3.2 m | 34 |
| 17 | PROBIT SRL | Bucureşti Sectorul 2 | Bucureşti | 2.8 m | 33 |
| 18 | EUROSIC SA | Bucureşti Sectorul 6 | Bucureşti | 2.8 m | 48 |
| 19 | ENOVA AUTOMATION & SERVICES SRL | Loc. Rovinari, Oraş Rovinari | Gorj | 2.8 m | 86 |
| 20 | ELECTROTEHNICA EM S.A. | Bucureşti Sectorul 4 | Bucureşti | 2.7 m | 58 |
| 21 | LR E MOTION SRL | Municipiul Cluj-Napoca | Cluj | 2.5 m | 7 |
| 22 | ELECTROECHIPAMENT SRL | Loc. Bocşa, Oraş Bocşa | Caraş-Severin | 2.4 m | 61 |
| 23 | ELECO SYSTEM SRL | Bucureşti Sectorul 2 | Bucureşti | 2.2 m | 11 |
| 24 | PROENERG SRL | Municipiul Oradea | Bihor | 2.2 m | 23 |
| 25 | ENERGOM SRL | Municipiul Cluj-Napoca | Cluj | 2.1 m | 152 |
| 26 | ASACO ELECTRIC SRL | Sat Tomeşti, Comuna Tomeşti | Iaşi | 2.1 m | 11 |
| 27 | BACHMANN ROMANIA SRL | Municipiul Mediaş | Sibiu | 1.9 m | 222 |
| 28 | INGINERIE SI TEHNOLOGIE INDUSTRIALA ELECTRA SRL | Bucureşti Sectorul 6 | Bucureşti | 1.8 m | 30 |
| 29 | DABC ECOPROD SRL | Municipiul Piteşti | Argeş | 1.7 m | 17 |
| 30 | BRET PITESTI S.R.L. | Bucureşti Sectorul 4 | Bucureşti | 1.6 m | 2 |
| 31 | ENEERS PRIM S.R.L. | Bucureşti Sectorul 6 | Bucureşti | 1.2 m | 1 |
| 32 | MEDIUM ELECTRIC SRL | Bucureşti Sectorul 1 | Bucureşti | 1.2 m | 16 |
| 33 | RECOMPLAST SRL | Municipiul Buzău | Buzău | 1.2 m | 129 |
| 34 | LUCADI ELECTRIC SYSTEM S.R.L. | Sat Remetea Chioarului, Comuna Remetea Chioarului | Maramureş | 1.2 m | 28 |
| 35 | EL-NESS SRL | Municipiul Craiova | Dolj | 1.1 m | 6 |
| 36 | EUROSIC SYSTEMS SRL | Bucureşti Sectorul 2 | Bucureşti | 1.0 m | 2 |
| 37 | TRIPOL SISTEM ENGINEERING S.R.L. | Municipiul Buzău | Buzău | 884 k | 11 |
| 38 | INTEGRAT ELECTRIC SRL | Bucureşti Sectorul 5 | Bucureşti | 806 k | 2 |
| 39 | INSTA ELECTRIC SA | Municipiul Focşani | Vrancea | 740 k | 57 |
| 40 | CONECT ELECTRIC SRL | Municipiul Sibiu | Sibiu | 705 k | 18 |
| 41 | TECHNOSAM SRL | Municipiul Satu Mare | Satu Mare | 670 k | 12 |
| 42 | ROMZIN SRL | Sat Lilieci, Comuna Hemeiuş | Bacău | 559 k | 1 |
| 43 | ELECTROTEL SA | Municipiul Alexandria | Teleorman | 529 k | 403 |
| 44 | ELECTROMOBIGAM SRL | Sat Smârdan, Comuna Smârdan | Galaţi | 457 k | 11 |
| 45 | C.N.C. LTD EXIM SRL | Bucureşti Sectorul 3 | Bucureşti | 431 k | 9 |
| 46 | OBIECTIV INVEST S.R.L. | Sat Bizuşa Băi, Comuna Ileanda | Sălaj | 423 k | 17 |
| 47 | SMART CONTROLS ENGINEERING S.R.L. | Municipiul Ploieşti | Prahova | 400 k | 25 |
| 48 | ICPET INTROMETIC SRL | Bucureşti Sectorul 4 | Bucureşti | 392 k | 3 |
| 49 | DUE PI SERVICE RO SRL | Loc. Otopeni, Oraş Otopeni | Ilfov | 354 k | 11 |
| 50 | INDAELTRAC SRL | Municipiul Craiova | Dolj | 351 k | 55 |
| 51 | ELECTROMECANICA SATU MARE SRL | Sat Botiz, Comuna Botiz | Satu Mare | 350 k | 18 |
| 52 | ELECTRO MEDIAS CONFECTII S.R.L. | Municipiul Mediaş | Sibiu | 329 k | 35 |
| 53 | ALIZ METAB SRL | Sat Căldăraru, Comuna Cernica | Ilfov | 327 k | 17 |
| 54 | VISIONELECTRIC S.R.L. | Sat Sieu-Magherus, Comuna Sieu-Magherus | Bistriţa-Năsăud | 322 k | 2 |
| 55 | KRONTAB ELECTRIC S.R.L. | Municipiul Braşov | Braşov | 314 k | 12 |
| 56 | MAGNIS ARI SRL | Sat Dumbrava, Comuna Săsciori | Alba | 273 k | 2 |
| 57 | SERVICE PANOURI ELECTRICE S.R.L. | Oraş Popeşti Leordeni | Ilfov | 271 k | 3 |
| 58 | ESPA SRL | Municipiul Braşov | Braşov | 254 k | 1 |
| 59 | DUX ELECTRIC PANELS SRL | Bucureşti Sectorul 3 | Bucureşti | 249 k | 7 |
| 60 | VLAMER ELECTRIC S.R.L. | Sat Hărman, Comuna Hărman | Braşov | 227 k | 4 |
| 61 | TEHNO GRUP ACS S.R.L. | Sat Nădăştia, Comuna Almaşu Mare | Alba | 224 k | 2 |
| 62 | AVE MURES SRL | Loc. Ungheni, Oraş Ungheni | Mureş | 222 k | 93 |
| 63 | TMT ELECTRO S.R.L. | Bucureşti Sectorul 4 | Bucureşti | 202 k | 6 |
| 64 | HQ ENGINEERING INSTAL S.R.L. | Bucureşti Sectorul 6 | Bucureşti | 199 k | 1 |
| 65 | BETA SOLUTIONS SRL | Bucureşti Sectorul 1 | Bucureşti | 197 k | 2 |
| 66 | WATER LUXE POOLS S.R.L. | Bucureşti Sectorul 5 | Bucureşti | 184 k | 1 |
| 67 | SOPREX INTERNATIONAL SRL | Bucureşti Sectorul 5 | Bucureşti | 171 k | 10 |
| 68 | ENERGO COM SA | Bucureşti Sectorul 4 | Bucureşti | 156 k | 1 |
| 69 | GLOBAL TAB PRODUCTION S.R.L. | Municipiul Suceava | Suceava | 156 k | 1 |
| 70 | FINTECH CORP S.R.L. | Sat Apahida, Comuna Apahida | Cluj | 155 k | 0 |
| 71 | PANELMAT S.R.L. | Municipiul Iaşi | Iaşi | 149 k | 1 |
| 72 | ELROM SRL | Municipiul Bacău | Bacău | 142 k | 17 |
| 73 | MULTIMAS SRL | Municipiul Târgu Mureş | Mureş | 142 k | 7 |
| 74 | POWER EXPERT SRL | Bucureşti Sectorul 6 | Bucureşti | 123 k | 1 |
| 75 | ENOVA ELECTRIC S.R.L. | Municipiul Craiova | Dolj | 123 k | 32 |
| 76 | ORIGINAL COM SRL | Municipiul Târgovişte | Dâmboviţa | 118 k | 27 |
| 77 | DIMARONI ELECTRIC S.R.L. | Sat Fedeleşoiu, Comuna Dăeşti | Vâlcea | 109 k | 1 |
| 78 | COMARCOND SRL | Municipiul Oradea | Bihor | 103 k | 25 |
| 79 | DAFELCO SRL | Sat Cătămăreşti-Deal, Comuna Mihai Eminescu | Botoşani | 98 k | 1 |
| 80 | M.G. ELECTRO CONSULTING SRL | Bucureşti Sectorul 5 | Bucureşti | 95 k | 0 |
| 81 | ART PANELS S.R.L. | Loc. Pantelimon, Oraş Pantelimon | Ilfov | 82 k | 5 |
| 82 | FEAG ROMANIA S.R.L. | Bucureşti Sectorul 3 | Bucureşti | 79 k | 18 |
| 83 | NICAD AUTOMATIZĂRI S.R.L. | Oraş Popeşti Leordeni | Ilfov | 73 k | 1 |
| 84 | FANTON SRL PADOVA SUCURSALA BUCURESTI | Bucureşti Sectorul 4 | Bucureşti | 73 k | 121 |
| 85 | VANAGOLLI ELECTRONIC SRL | Sat Ţipari, Comuna Coşteiu | Timiş | 67 k | 0 |
| 86 | AUTOMATION-ELECTRIC S.R.L. | Sat Gherţa Mică, Comuna Gherţa Mică | Satu Mare | 64 k | 1 |
| 87 | ELECTRIC CONF S.R.L. | Sat Leorda, Comuna Leorda | Botoşani | 61 k | 1 |
| 88 | GLC ELECTRO S.R.L. | Oraş Popeşti Leordeni | Ilfov | 58 k | 0 |
| 89 | ALPS SOLAR S.R.L. | Bucureşti Sectorul 2 | Bucureşti | 58 k | 0 |
| 90 | GTS GREEN SOLUTIONS S.R.L. | Municipiul Sibiu | Sibiu | 58 k | 0 |
| 91 | ACROM TECHNIC S.R.L. | Sat Moigrad-Porolissum, Comuna Mirşid | Sălaj | 50 k | 2 |
| 92 | GREENWAY PLANS S.R.L. | Bucureşti Sectorul 3 | Bucureşti | 50 k | 0 |
| 93 | WATTEXPERT DEVELOPMENT S.R.L. | Sat Tudor Vladimirescu, Comuna Tudor Vladimirescu | Galaţi | 48 k | 1 |
| 94 | SICURO SERVICES S.R.L. | Municipiul Baia Mare | Maramureş | 44 k | 74 |
| 95 | KJ TWINS ENGINEERING S.R.L. | Oraş Popeşti Leordeni | Ilfov | 39 k | — |
| 96 | INTECH INTEGRATION TECHNOLOGIES SRL | Municipiul Curtea de Argeş | Argeş | 36 k | 5 |
| 97 | ADVANCED AUTOMATION RENERGY S.R.L. | Loc. Chitila, Oraş Chitila | Ilfov | 34 k | 1 |
| 98 | BLEU ELECTRIQUE ROMANIA SRL | Loc. Pantelimon, Oraş Pantelimon | Ilfov | 32 k | 37 |
| 99 | FLOMAR ELECTRIC SISTEM S.R.L. | Municipiul Piteşti | Argeş | 24 k | 0 |
| 100 | ATC ELECTRIC UZIN S.R.L. | Sat Lieşti, Comuna Lieşti | Galaţi | 18 k | 5 |