| 1 | EURO-ECOLOGIC SRL | Loc. Vlăhiţa, Oraş Vlăhiţa | Harghita | 59.5 m | 157 |
| 2 | NAIAD WATER SOLUTIONS S.R.L. | Loc. Voluntari, Oraş Voluntari | Ilfov | 52.5 m | 132 |
| 3 | SWS SONNEK ENGINEERING S.R.L. | Bucureşti Sectorul 3 | Bucureşti | 48.5 m | 109 |
| 4 | TOI TOI & DIXI SRL | Bucureşti Sectorul 4 | Bucureşti | 39.3 m | 71 |
| 5 | DRUSAL S.A. | Municipiul Cluj-Napoca | Cluj | 27.8 m | 190 |
| 6 | CALYPSO MONO SRL | Bucureşti Sectorul 3 | Bucureşti | 26.6 m | 33 |
| 7 | SERVICII TEHNICE COMUNALE SA | Loc. Sovata, Oraş Sovata | Mureş | 16.8 m | 77 |
| 8 | EXPERT SERVICII VIDANJARE SRL | Sat Udeni-Zăvoi, Comuna Călineşti | Argeş | 15.1 m | 25 |
| 9 | AQUA D & P TECHNOLOGIES SRL | Municipiul Cluj-Napoca | Cluj | 13.3 m | 6 |
| 10 | ECO PUBLIC SRL | Bucureşti Sectorul 6 | Bucureşti | 10.9 m | 38 |
| 11 | DAVIN CLEAN SRL | Bucureşti Sectorul 3 | Bucureşti | 10.8 m | 19 |
| 12 | TARVOS GENERAL CONTRACTOR S.R.L. | Sat Cârcea, Comuna Cârcea | Dolj | 10.6 m | 14 |
| 13 | TEKOS EXPERT SRL | Loc. Cisnădie, Oraş Cisnădie | Sibiu | 10.0 m | 60 |
| 14 | ROGES TOTAL SERV SRL | Bucureşti Sectorul 4 | Bucureşti | 7.7 m | 29 |
| 15 | LALECRIS SEWERAGE SERV S.R.L. | Bucureşti Sectorul 2 | Bucureşti | 7.1 m | 10 |
| 16 | EUROMARKET WATER & WASTEWATER ENGINEERING SRL | Municipiul Iaşi | Iaşi | 6.8 m | 8 |
| 17 | ECOABAC SERV SRL | Municipiul Craiova | Dolj | 6.4 m | 13 |
| 18 | KHASM GROUP SRL | Bucureşti Sectorul 3 | Bucureşti | 6.3 m | 2 |
| 19 | ALAN VET-INSTAL S.R.L. | Oraş Voluntari | Ilfov | 5.9 m | 14 |
| 20 | ACVAPUR-DAM SRL | Loc. Cisnădie, Oraş Cisnădie | Sibiu | 5.5 m | 6 |
| 21 | REDISZA SA | Sat Remetea, Comuna Remetea | Harghita | 5.1 m | 24 |
| 22 | DARLEOT GROUP SRL | Sat Gârlenii de Sus, Comuna Gârleni | Bacău | 5.0 m | 16 |
| 23 | MIHA SEATRANS SRL | Sat Blidari, Comuna Cobia | Dâmboviţa | 4.7 m | 5 |
| 24 | LITEANU SRL | Sat Muntenii de Sus, Comuna Muntenii de Sus | Vaslui | 4.7 m | 8 |
| 25 | VIDANJ ACTIV SOLUTION SRL | Bucureşti Sectorul 3 | Bucureşti | 4.5 m | 23 |
| 26 | HYDRO - JET CM SRL | Municipiul Timişoara | Timiş | 4.2 m | 16 |
| 27 | ECHIPA HORSE SRL | Municipiul Ploieşti | Prahova | 4.2 m | 22 |
| 28 | GONDOR DIVERS CONSTRUCT SRL | Sat Cătanele, Comuna Căteasca | Argeş | 3.7 m | 11 |
| 29 | MARI CAR-ROMA SRL | Municipiul Braşov | Braşov | 3.6 m | 9 |
| 30 | VIDANJĂRI RICIU SERVICII S.R.L. | Sat Mădârjeşti, Comuna Bălţaţi | Iaşi | 3.2 m | 4 |
| 31 | EUROMOND IMPEX SRL | Comuna Chiajna | Ilfov | 3.0 m | 7 |
| 32 | CLEAN OTTER S.R.L. | Bucureşti Sectorul 3 | Bucureşti | 2.8 m | 15 |
| 33 | ANDREMAR INSTAL CONSTRUCT SRL | Sat Valea Ursului, Comuna Bascov | Argeş | 2.8 m | 8 |
| 34 | TOTDEAUNA IMPECABIL SRL | Loc. Urlaţi, Oraş Urlaţi | Prahova | 2.7 m | 15 |
| 35 | ASUS SERVICE SRL | Sat Agigea, Comuna Agigea | Constanţa | 2.6 m | 6 |
| 36 | LIDA RED - S.R.L. | Bucureşti Sectorul 1 | Bucureşti | 2.4 m | 3 |
| 37 | VIDAMAR AQUA S.R.L. | Municipiul Săcele | Braşov | 2.3 m | 4 |
| 38 | ESTATE INC S.R.L. | Sat Copaciu, Comuna Ghimpaţi | Giurgiu | 2.1 m | 5 |
| 39 | EMACO GAL SRL | Municipiul Galaţi | Galaţi | 2.0 m | 8 |
| 40 | ILOC IMPEX PREST SRL | Municipiul Zalău | Sălaj | 1.8 m | 7 |
| 41 | MIROVID STAR SRL | Sat Afumaţi, Comuna Afumaţi | Ilfov | 1.8 m | 2 |
| 42 | NOVALIS SRL | Municipiul Sibiu | Sibiu | 1.7 m | 2 |
| 43 | TBY AQUA CLEAN S.R.L. | Sat Urseni, Comuna Moşniţa Nouă | Timiş | 1.6 m | 3 |
| 44 | AQUA TOWN SRL | Sat 1 Decembrie, Comuna 1 Decembrie | Ilfov | 1.6 m | 7 |
| 45 | BRYANTONY & FABY SRL | Oraş Voluntari | Ilfov | 1.6 m | 4 |
| 46 | AQUA SEWER SERVICES GLOBAL SRL | Bucureşti Sectorul 2 | Bucureşti | 1.6 m | 8 |
| 47 | UNI STAR SRL | Loc. Năvodari, Oraş Năvodari | Constanţa | 1.5 m | 4 |
| 48 | BALTAVI SERV SRL | Loc. Băicoi, Oraş Băicoi | Prahova | 1.5 m | 8 |
| 49 | CSIKI TOURS SRL | Sat Livezeni, Comuna Livezeni | Mureş | 1.5 m | 5 |
| 50 | LINDA ROMVIDA SRL | Loc. Râşnov, Oraş Râşnov | Braşov | 1.4 m | 10 |
| 51 | BAYER CLEAN WATER S.R.L. | Sat Remetea, Comuna Remetea | Harghita | 1.4 m | 7 |
| 52 | AVANT OPERATIV S.R.L. | Sat Berceni, Comuna Berceni | Ilfov | 1.4 m | 8 |
| 53 | AQUATHANE TECHNOLOGIES AND CONTRACTING S.R.L. | Bucureşti Sectorul 3 | Bucureşti | 1.4 m | 3 |
| 54 | NEOVID INSPECT SRL | Bucureşti Sectorul 1 | Bucureşti | 1.4 m | 2 |
| 55 | M.A. FABIM CONSTRUCT S.R.L. | Oraş Voluntari | Ilfov | 1.3 m | 3 |
| 56 | AQUA D & P INDUSTRIES SRL | Municipiul Cluj-Napoca | Cluj | 1.3 m | 2 |
| 57 | ACTIV AQUA SRL | Oraş Bragadiru | Ilfov | 1.3 m | 8 |
| 58 | INFRA DATA DESIGN SRL | Sat Prisacani, Comuna Prisacani | Iaşi | 1.3 m | 2 |
| 59 | GREENTOILET S.R.L. | Sat Găureni, Comuna Miroslava | Iaşi | 1.2 m | 1 |
| 60 | DINSTEF COM SRL | Bucureşti Sectorul 5 | Bucureşti | 1.2 m | 4 |
| 61 | SALOTI SRL | Municipiul Cluj-Napoca | Cluj | 1.2 m | 5 |
| 62 | BELL&ENI SRL | Municipiul Târgu Mureş | Mureş | 1.1 m | 2 |
| 63 | DANYALBERTAQUA SRL | Sat Creţeşti, Comuna Vidra | Ilfov | 1.1 m | 5 |
| 64 | VLADOREX SERVICII S.R.L. | Municipiul Ploieşti | Prahova | 1.1 m | 1 |
| 65 | NIC SI GOG SERV SRL | Sat Mănăstirea, Comuna Cobia | Dâmboviţa | 1.1 m | 2 |
| 66 | MILIVIOCRIS SRL | Bucureşti Sectorul 4 | Bucureşti | 1.1 m | 4 |
| 67 | GALAXY TERMO TRADING SRL | Municipiul Piteşti | Argeş | 1.1 m | 8 |
| 68 | ARSPRODEST ECOPURA S.R.L. | Municipiul Baia Mare | Maramureş | 1.1 m | 3 |
| 69 | NIKMAR CIOBANU S.R.L. | Sat Ogrezeni, Comuna Ogrezeni | Giurgiu | 1.0 m | 3 |
| 70 | TOP ECOLOGIC S.R.L. | Municipiul Drobeta-Turnu Severin | Mehedinţi | 987 k | 2 |
| 71 | CRIS MASTER INSTAL SRL | Municipiul Piteşti | Argeş | 945 k | 3 |
| 72 | ECOGEN C&E S.R.L. | Sat Valea Ursului, Comuna Miroslava | Iaşi | 929 k | 2 |
| 73 | SMART ECO FIELD S.R.L. | Sat Ghirdoveni, Comuna I. L. Caragiale | Dâmboviţa | 927 k | 2 |
| 74 | ROGES TOTAL SRL | Bucureşti Sectorul 4 | Bucureşti | 911 k | 5 |
| 75 | FENDLER ECOLOGIC S.R.L. | Sat Frumuşiţa, Comuna Frumuşiţa | Galaţi | 882 k | 3 |
| 76 | WYDRAL CLEAN S.R.L. | Municipiul Drobeta-Turnu Severin | Mehedinţi | 830 k | 4 |
| 77 | APA CANAL TURNU ROSU SRL | Sat Turnu Roşu, Comuna Turnu Roşu | Sibiu | 807 k | 5 |
| 78 | ETY SERVICII AQUA SRL | Bucureşti Sectorul 5 | Bucureşti | 763 k | 3 |
| 79 | HAZSEPTIC SRL | Municipiul Craiova | Dolj | 753 k | 2 |
| 80 | FENDLER SRL | Sat Frumuşiţa, Comuna Frumuşiţa | Galaţi | 747 k | 1 |
| 81 | ECOFLOW S.R.L. | Loc. Târgu Bujor, Oraş Târgu Bujor | Galaţi | 723 k | 4 |
| 82 | SUCTIONS & PRESSURE SERVICES SRL | Bucureşti Sectorul 2 | Bucureşti | 719 k | 3 |
| 83 | MAGAZINUL APEI S.R.L. | Oraş Otopeni | Ilfov | 683 k | 4 |
| 84 | VACONI 2011 TRANS SRL | Sat Ocniţa, Comuna Ocniţa | Dâmboviţa | 676 k | 1 |
| 85 | JURIDIS DANTON CONSULTING - S.R.L. | Sat Tomeşti, Comuna Tomeşti | Iaşi | 671 k | 1 |
| 86 | ANDAMAR GREEN S.R.L. | Comuna Jilava | Ilfov | 669 k | 3 |
| 87 | GREEN VIDANJ S.R.L. | Sat Şindriliţa, Comuna Găneasa | Ilfov | 660 k | 1 |
| 88 | MAXI BOX MIXT SRL | Sat Zetea, Comuna Zetea | Harghita | 644 k | — |
| 89 | BLUE_LINE SERVICES SRL | Bucureşti Sectorul 5 | Bucureşti | 620 k | 3 |
| 90 | BARNA INTERVENȚII S.R.L. | Municipiul Arad | Arad | 592 k | 3 |
| 91 | QUEEN CAFFE AND TEA SRL | Sat Lilieci, Comuna Hemeiuş | Bacău | 583 k | 2 |
| 92 | ALEANDRA CONSTRUCT SRL | Municipiul Oradea | Bihor | 572 k | 4 |
| 93 | ALPACINO SRL | Loc. Buftea, Oraş Buftea | Ilfov | 569 k | 1 |
| 94 | ARAM OFFICE SRL | Municipiul Cluj-Napoca | Cluj | 552 k | 1 |
| 95 | VIDANJ WATER SRL | Bucureşti Sectorul 6 | Bucureşti | 541 k | 2 |
| 96 | SOARE GRAND RESIDENCE SRL | Bucureşti Sectorul 4 | Bucureşti | 530 k | 1 |
| 97 | UTILIS GLOBAL S.R.L. | Municipiul Câmpina | Prahova | 525 k | 1 |
| 98 | IANINA DEO SERVICE SRL | Loc. Pantelimon, Oraş Pantelimon | Ilfov | 524 k | 3 |
| 99 | DICOMAR PREST SRL | Sat Potlogi, Comuna Potlogi | Dâmboviţa | 523 k | 4 |
| 100 | REP NAV STAR SRL | Municipiul Constanţa | Constanţa | 518 k | 5 |