| 1 | ELECTROGRUP SA | Municipiul Cluj-Napoca | Cluj | 195.6 m | 675 |
| 2 | ELEKTRA INVEST SRL | Bucureşti Sectorul 2 | Bucureşti | 140.3 m | 168 |
| 3 | AJ BRAND - S.R.L. | Bucureşti Sectorul 4 | Bucureşti | 79.1 m | 298 |
| 4 | BIT INVEST SRL | Municipiul Târgovişte | Dâmboviţa | 59.8 m | 220 |
| 5 | PRELCHIM SRL | Municipiul Râmnicu Vâlcea | Vâlcea | 52.7 m | 123 |
| 6 | SNEF CENTRAL EASTERN EUROPE S.A. | Bucureşti Sectorul 6 | Bucureşti | 38.1 m | 6 |
| 7 | TIAB SA | Bucureşti Sectorul 1 | Bucureşti | 30.5 m | 784 |
| 8 | LOIAL IMPEX SRL | Sat Şcheia, Comuna Şcheia | Suceava | 26.5 m | 263 |
| 9 | SIMCO INTERNATIONAL IMPEX SRL | Bucureşti Sectorul 4 | Bucureşti | 24.8 m | 64 |
| 10 | ELECTRO-SERVICE DISTRIBUŢIE SRL | Bucureşti Sectorul 3 | Bucureşti | 21.7 m | 107 |
| 11 | PASIROM INTERNAŢIONAL SRL | Municipiul Tulcea | Tulcea | 21.5 m | 4 |
| 12 | PET COMMUNICATIONS SRL | Municipiul Constanţa | Constanţa | 20.8 m | 112 |
| 13 | LSG BUILDING SOLUTIONS SRL | Bucureşti Sectorul 5 | Bucureşti | 20.8 m | 65 |
| 14 | ELECTRO MAT PROMPT SRL | Sat Onceşti, Comuna Onceşti | Maramureş | 19.3 m | 126 |
| 15 | EC SYSTEMS S.R.L. | Bucureşti Sectorul 6 | Bucureşti | 16.7 m | 11 |
| 16 | ELECTROAXA SRL | Loc. Dolhasca, Oraş Dolhasca | Suceava | 16.4 m | 26 |
| 17 | EMSENS PROD SRL | Municipiul Baia Mare | Maramureş | 16.0 m | 35 |
| 18 | STIL ELECTRO MAX SRL | Municipiul Oradea | Bihor | 14.1 m | 3 |
| 19 | MEGA POWER ENERGY SRL | Sat Isvoarele, Comuna Isvoarele | Giurgiu | 12.6 m | 65 |
| 20 | FLASH LIGHTING SERVICES SA | Bucureşti Sectorul 2 | Bucureşti | 12.6 m | 165 |
| 21 | PROINSTAL SRL | Municipiul Călăraşi | Călăraşi | 12.5 m | 54 |
| 22 | SMART HOUSE COLOR SRL | Municipiul Arad | Arad | 12.1 m | 24 |
| 23 | ELECTRO GRUP SRL | Municipiul Zalău | Sălaj | 12.0 m | 51 |
| 24 | GENERAL ME.EL ELECTRIC S.R.L. | Loc. Băicoi, Oraş Băicoi | Prahova | 11.5 m | 180 |
| 25 | ELECTRIC LIGHT SRL | Sat Vârteşcoiu, Comuna Vârteşcoiu | Vrancea | 11.4 m | 43 |
| 26 | ROMSIR-IMPEX SRL | Loc. Balş, Oraş Balş | Olt | 11.1 m | 13 |
| 27 | ASMOTEC ELECTRIC S.R.L. | Municipiul Târgu Mureş | Mureş | 10.7 m | 7 |
| 28 | LUXTEN LIGHTING COMPANY SA | Municipiul Timişoara | Timiş | 10.5 m | 205 |
| 29 | TRIPOL SISTEM CONSTRUCT S.R.L. | Municipiul Buzău | Buzău | 10.5 m | 98 |
| 30 | METCHIM GREEN ENERGY S.R.L. | Sat Păuleştii Noi, Comuna Păuleşti | Prahova | 10.4 m | 12 |
| 31 | ELBIM GRUPSERV SRL | Municipiul Oneşti | Bacău | 10.4 m | 51 |
| 32 | CFO INTEGRATOR SRL | Municipiul Cluj-Napoca | Cluj | 10.2 m | 1 |
| 33 | STREET LIGHTING SRL | Comuna Jilava | Ilfov | 9.8 m | 20 |
| 34 | SOLUTII ELECTRICE INTEGRATE S.R.L. | Bucureşti Sectorul 4 | Bucureşti | 9.0 m | — |
| 35 | ELNET INSTAL SRL | Bucureşti Sectorul 6 | Bucureşti | 8.8 m | 38 |
| 36 | A.G.GRUPINSTAL SRL | Municipiul Focşani | Vrancea | 8.8 m | 43 |
| 37 | GREENTECH PROFESSIONALS S.R.L. | Bucureşti Sectorul 1 | Bucureşti | 8.6 m | 98 |
| 38 | DATACOR SRL | Loc. Viişoara, Municipiul Bistriţa | Bistriţa-Năsăud | 8.6 m | 165 |
| 39 | ENVIRO SMART TECHNOLOGIES S.R.L. | Bucureşti Sectorul 4 | Bucureşti | 8.5 m | 5 |
| 40 | LEDTRADING SRL | Municipiul Cluj-Napoca | Cluj | 8.4 m | 5 |
| 41 | A.E.G. INTERNATIONAL SERVICII S.R.L. | Bucureşti Sectorul 3 | Bucureşti | 8.0 m | 58 |
| 42 | VIVIDE SRL | Municipiul Iaşi | Iaşi | 7.9 m | 8 |
| 43 | M SYS SRL | Municipiul Satu Mare | Satu Mare | 7.9 m | 46 |
| 44 | SOLAR CENTER S.R.L. | Sat Râşeşti, Comuna Drânceni | Vaslui | 7.6 m | 8 |
| 45 | GENERAL SECURITY SRL | Municipiul Cluj-Napoca | Cluj | 7.5 m | 133 |
| 46 | ELMAROM GRUP SRL | Bucureşti Sectorul 2 | Bucureşti | 7.5 m | 101 |
| 47 | BUILD INSTAL ELECTRIC SRL | Municipiul Roman | Neamţ | 7.3 m | 42 |
| 48 | COL-AIR AIRPORT SOLUTIONS SRL | Sat Brebu Manăstirei, Comuna Brebu | Prahova | 7.2 m | 13 |
| 49 | UTI CONSTRUCTION AND FACILITY MANAGEMENT S.A. | Oraş Otopeni | Ilfov | 7.2 m | 660 |
| 50 | SILKAT ELECTRIC GRUP SRL | Bucureşti Sectorul 4 | Bucureşti | 6.8 m | 63 |
| 51 | TEMPOS SERV SRL | Bucureşti Sectorul 2 | Bucureşti | 6.7 m | 41 |
| 52 | ALBACO EXIM SRL | Loc. Oarda, Municipiul Alba Iulia | Alba | 6.7 m | 58 |
| 53 | NEOTRONIX SRL | Bucureşti Sectorul 3 | Bucureşti | 6.6 m | 76 |
| 54 | VERTATEL INTERNATIONAL S.R.L. | Bucureşti Sectorul 4 | Bucureşti | 6.5 m | 343 |
| 55 | TOBIMAR GROUP SRL | Sat Vinţu de Jos, Comuna Vinţu de Jos | Alba | 6.5 m | 31 |
| 56 | ENERGO POWER SRL | Municipiul Cluj-Napoca | Cluj | 6.4 m | 36 |
| 57 | ELECTRIC MONTAJ SRL | Municipiul Constanţa | Constanţa | 6.3 m | 37 |
| 58 | KABAR INTERNATIONAL RO S.R.L. | Bucureşti Sectorul 2 | Bucureşti | 6.2 m | 0 |
| 59 | BLUEL SRL | Municipiul Braşov | Braşov | 6.2 m | 19 |
| 60 | BEP LIGHT ENERGY SRL | Sat Ghermăneşti, Comuna Snagov | Ilfov | 6.2 m | 36 |
| 61 | SPOTING SA | Sat Strejnicu, Comuna Târgşoru Vechi | Prahova | 6.2 m | 239 |
| 62 | ELECTRO ENERGETICA SRL | Municipiul Cluj-Napoca | Cluj | 6.1 m | 43 |
| 63 | J.T.S INSTAL CONSTRUCT S.R.L. | Sat Borleşti, Comuna Merişani | Argeş | 5.9 m | 32 |
| 64 | ELECTROCONSTRUCTIA ELCO GIURGIU SA | Municipiul Giurgiu | Giurgiu | 5.8 m | 87 |
| 65 | ORIZONT ELECTRIC S.R.L. | Municipiul Zalău | Sălaj | 5.7 m | 24 |
| 66 | SUNJIU ENERGY S.R.L. | Municipiul Târgu Jiu | Gorj | 5.7 m | 0 |
| 67 | REINVENT ENERGY SRL | Bucureşti Sectorul 3 | Bucureşti | 5.7 m | 144 |
| 68 | LUGANA ELECTRIC SRL | Municipiul Galaţi | Galaţi | 5.7 m | 15 |
| 69 | GENERAL TEHNIC SRL | Municipiul Iaşi | Iaşi | 5.6 m | 65 |
| 70 | TEAM ELECTRIC RO S.R.L. | Municipiul Galaţi | Galaţi | 5.6 m | 13 |
| 71 | INOCOM BIZ SRL | Sat Şendreni, Comuna Şendreni | Galaţi | 5.6 m | 36 |
| 72 | ELECTRICA RACORD INSTAL SRL | Bucureşti Sectorul 5 | Bucureşti | 5.6 m | 36 |
| 73 | B2B SYNERGY S.R.L. | Sat Sântana de Mureş, Comuna Sântana de Mureş | Mureş | 5.6 m | 26 |
| 74 | GREENCELLS CEE SRL | Bucureşti Sectorul 2 | Bucureşti | 5.5 m | 256 |
| 75 | INVEST SERVICII COMERCIALE SRL | Municipiul Dej | Cluj | 5.5 m | 106 |
| 76 | SCM ATI ELECTRIC SRL | Bucureşti Sectorul 5 | Bucureşti | 5.4 m | 19 |
| 77 | GLOBALSERV ELIN S.R.L. | Sat Curtişoara, Comuna Curtişoara | Olt | 5.4 m | 37 |
| 78 | RITMOTEH SRL | Municipiul Oradea | Bihor | 5.3 m | 34 |
| 79 | CONECON RO S.R.L. | Municipiul Mediaş | Sibiu | 5.3 m | 76 |
| 80 | TEHNOINSTAL SRL | Bucureşti Sectorul 2 | Bucureşti | 5.3 m | 40 |
| 81 | ELTAL GROUP SRL | Sat Moşniţa Nouă, Comuna Moşniţa Nouă | Timiş | 5.2 m | 12 |
| 82 | EDS ELECTRIC SRL | Municipiul Baia Mare | Maramureş | 5.0 m | 23 |
| 83 | PGV ALERT CONCEPT SRL | Sat Vişeu de Jos, Comuna Vişeu de Jos | Maramureş | 4.9 m | 19 |
| 84 | EURO NUCLEAR SECURITY SERVICES SRL | Bucureşti Sectorul 1 | Bucureşti | 4.7 m | 21 |
| 85 | CASA PRIM TECH - S.R.L. | Loc. Pucioasa, Oraş Pucioasa | Dâmboviţa | 4.6 m | 25 |
| 86 | INSTA GRUP S.A. | Municipiul Târgu Mureş | Mureş | 4.6 m | 56 |
| 87 | CARBON HEAT SOLUTIONS SRL | Bucureşti Sectorul 4 | Bucureşti | 4.6 m | 46 |
| 88 | REPCONS SRL | Municipiul Sibiu | Sibiu | 4.6 m | 30 |
| 89 | E.G.M.S. ELECTRO MONTAJ SI SERVICE SRL | Bucureşti Sectorul 6 | Bucureşti | 4.6 m | 71 |
| 90 | MAN PROD DIVISION S.R.L. | Sat Ciuta, Comuna Măgura | Buzău | 4.5 m | 11 |
| 91 | DROP ENERGY SRL | Sat Preajba, Comuna Malu Mare | Dolj | 4.5 m | 26 |
| 92 | ELECTRO & CONSTRUCT SRL | Sat Verneşti, Comuna Verneşti | Buzău | 4.4 m | 24 |
| 93 | TQM SERVICES SRL | Municipiul Călăraşi | Călăraşi | 4.3 m | 90 |
| 94 | INOVATIV ELECTRICAL COMPANY SRL | Sat Adjudu Vechi, Municipiul Adjud | Vrancea | 4.3 m | 7 |
| 95 | TRI EM SERV SRL | Loc. Seini, Oraş Seini | Maramureş | 4.3 m | 38 |
| 96 | PROEXIB INSTAL SRL | Sat Săcălaz, Comuna Săcălaz | Timiş | 4.2 m | 26 |
| 97 | ELECTRONIC ALARMS SYSTEMS SRL | Bucureşti Sectorul 5 | Bucureşti | 4.2 m | 16 |
| 98 | ACTIVE IDEA TEAM SRL | Bucureşti Sectorul 1 | Bucureşti | 4.2 m | 3 |
| 99 | GENWAY ROMANIA S.R.L. | Bucureşti Sectorul 3 | Bucureşti | 4.2 m | 1 |
| 100 | ELECTROVAL-SOUND SRL | Municipiul Piteşti | Argeş | 4.2 m | 24 |