| 1 | ROMSTAL IMEX SRL | Bucureşti Sectorul 4 | Bucureşti | 1,412 |
| 2 | HONEST GENERAL TRADING SRL | Bucureşti Sectorul 3 | Bucureşti | 399 |
| 3 | MELINDA-IMPEX INSTAL S.A. | Municipiul Odorheiu Secuiesc | Harghita | 346 |
| 4 | DANFOSS SRL | Bucureşti Sectorul 5 | Bucureşti | 140 |
| 5 | GOLDEN FISH SRL | Sat Ştefăneştii de Jos, Comuna Ştefăneştii de Jos | Ilfov | 121 |
| 6 | WINTER COM SRL | Municipiul Bistriţa | Bistriţa-Năsăud | 98 |
| 7 | SECPRAL PRO INSTALATII SRL | Municipiul Cluj-Napoca | Cluj | 95 |
| 8 | NOVASERVIS FERRO GROUP SRL | Municipiul Cluj-Napoca | Cluj | 93 |
| 9 | TOYA ROMANIA SA | Bucureşti Sectorul 1 | Bucureşti | 82 |
| 10 | MAGDOLNA IMPEX SRL | Municipiul Odorheiu Secuiesc | Harghita | 75 |
| 11 | CONBETA SRL | Sat Goleşti, Comuna Goleşti | Vrancea | 69 |
| 12 | ROYAL N SRL | Municipiul Câmpina | Prahova | 49 |
| 13 | KREATIV SRL | Municipiul Satu Mare | Satu Mare | 46 |
| 14 | AMP GRUP SRL | Municipiul Craiova | Dolj | 46 |
| 15 | FISCHER FIXINGS ROMANIA S.R.L. | Municipiul Cluj-Napoca | Cluj | 45 |
| 16 | HYDROSYSTEMS SRL | Municipiul Petroşani | Hunedoara | 44 |
| 17 | ALUNU SRL | Loc. Balş, Oraş Balş | Olt | 43 |
| 18 | HOMPLEX S.A. | Sat Căţelu, Comuna Glina | Ilfov | 43 |
| 19 | PETROUZINEX SRL | Municipiul Piatra Neamţ | Neamţ | 42 |
| 20 | GEORG FISCHER GMBH ALBERSHAUSEN SUCURSALA BUCURESTI | Bucureşti Sectorul 2 | Bucureşti | 42 |
| 21 | ERATA IMPEX SRL | Municipiul Braşov | Braşov | 39 |
| 22 | SCHULLER EH KLAR SRL | Municipiul Cluj-Napoca | Cluj | 37 |
| 23 | AMBER TECHNOLOGIES SRL | Bucureşti Sectorul 2 | Bucureşti | 36 |
| 24 | FERBAT SERV SRL | Municipiul Ploieşti | Prahova | 36 |
| 25 | ORDEA PRODCOM SRL | Municipiul Târgu Mureş | Mureş | 36 |
| 26 | WINTEC SRL | Bucureşti Sectorul 6 | Bucureşti | 36 |
| 27 | N F G TRADE SRL | Bucureşti Sectorul 6 | Bucureşti | 35 |
| 28 | TRIVAS GRUP SRL | Bucureşti Sectorul 2 | Bucureşti | 34 |
| 29 | SALUS CONTROLS ROMANIA SRL | Municipiul Cluj-Napoca | Cluj | 34 |
| 30 | BENDKOPP ELECTRO SRL | Municipiul Cluj-Napoca | Cluj | 31 |
| 31 | ROMSTAL MURES SRL | Municipiul Târgu Mureş | Mureş | 31 |
| 32 | LUDOTERM SRL | Bucureşti Sectorul 6 | Bucureşti | 30 |
| 33 | INSTAL-DAC SRL | Municipiul Braşov | Braşov | 29 |
| 34 | BENDKOPP FASTENERS IMPORT EXPORT SRL | Municipiul Cluj-Napoca | Cluj | 29 |
| 35 | PRESTCOM INSTAL SRL | Bucureşti Sectorul 1 | Bucureşti | 29 |
| 36 | PURMO GROUP ROMANIA S.R.L. | Sat Juc-Herghelie, Comuna Jucu | Cluj | 28 |
| 37 | MDI CONSTRUCT TRANS EXPERT SRL | Comuna Afumaţi | Ilfov | 26 |
| 38 | AXA TRADING GRUP SRL | Loc. Eforie Sud, Oraş Eforie | Constanţa | 25 |
| 39 | SIMPLEX TRADE INVESTMENT SRL | Bucureşti Sectorul 1 | Bucureşti | 25 |
| 40 | PROINSTAL PIPE SRL | Oraş Ştefăneşti | Argeş | 23 |
| 41 | EURO ISSA COMPANY SRL | Bucureşti Sectorul 4 | Bucureşti | 23 |
| 42 | GERANIMO SRL | Municipiul Reşiţa | Caraş-Severin | 22 |
| 43 | INSTAL CARPATICA SRL | Municipiul Braşov | Braşov | 22 |
| 44 | EXPRESS INSTALL DISTRIBUTION SRL | Bucureşti Sectorul 4 | Bucureşti | 22 |
| 45 | MADALINA SRL | Municipiul Câmpulung | Argeş | 21 |
| 46 | FRANKE ROMANIA SRL | Loc. Pantelimon, Oraş Pantelimon | Ilfov | 21 |
| 47 | RECA BUCURESTI SRL | Bucureşti Sectorul 1 | Bucureşti | 21 |
| 48 | KERATO INSTAL SRL | Municipiul Cluj-Napoca | Cluj | 21 |
| 49 | KFT IMPORT-EXPORT ROM-WALD SRL | Municipiul Miercurea Ciuc | Harghita | 20 |
| 50 | BOLLHOFF SRL | Sat Borş, Comuna Borş | Bihor | 20 |
| 51 | GEZE ROMANIA SRL | Bucureşti Sectorul 2 | Bucureşti | 20 |
| 52 | CRISMAIR TRADE SRL | Municipiul Oradea | Bihor | 20 |
| 53 | FLORES HIGH QUALITY TOOLS S.R.L. | Comuna Afumaţi | Ilfov | 20 |
| 54 | ELETERM SRL | Municipiul Beiuş | Bihor | 19 |
| 55 | TIEMME SYSTEMS SRL | Sat Bolintin-Deal, Comuna Bolintin-Deal | Giurgiu | 19 |
| 56 | SANIMET COM SRL | Municipiul Ploieşti | Prahova | 19 |
| 57 | TECE ROMÂNIA S.R.L. | Sat Chiajna, Comuna Chiajna | Ilfov | 19 |
| 58 | AIR TECHNIK SRL | Sat Giarmata, Comuna Giarmata | Timiş | 18 |
| 59 | DONI DECOR SRL | Municipiul Craiova | Dolj | 18 |
| 60 | ACQUA SERVICE SA | Bucureşti Sectorul 6 | Bucureşti | 17 |
| 61 | VERTICAL CIA SRL | Bucureşti Sectorul 6 | Bucureşti | 17 |
| 62 | AEROGINERO S.R.L. | Municipiul Suceava | Suceava | 17 |
| 63 | ASSA ABLOY GLOBAL SOLUTIONS ROMÂNIA S.R.L. | Bucureşti Sectorul 6 | Bucureşti | 17 |
| 64 | REDOMAR SRL | Municipiul Baia Mare | Maramureş | 16 |
| 65 | BAVARIA SRL | Municipiul Constanţa | Constanţa | 16 |
| 66 | HERZ ARMATUREN ROMANIA SRL | Bucureşti Sectorul 5 | Bucureşti | 16 |
| 67 | DENIROM 2000 SRL | Municipiul Buzău | Buzău | 16 |
| 68 | MATRIX ACTIVITY GRUP SRL | Sat Afumaţi, Comuna Afumaţi | Ilfov | 16 |
| 69 | SIKLA SRL | Bucureşti Sectorul 6 | Bucureşti | 16 |
| 70 | TEHNOCLIMA SRL | Municipiul Galaţi | Galaţi | 15 |
| 71 | MARISIM TOTAL INSTAL SRL | Sat Bradu, Comuna Bradu | Argeş | 15 |
| 72 | ELTECHIM SRL | Municipiul Braşov | Braşov | 14 |
| 73 | ARIX IMP-EX SRL | Municipiul Sfântu Gheorghe | Covasna | 14 |
| 74 | UCROM-94 IMPEX SRL | Bucureşti Sectorul 6 | Bucureşti | 14 |
| 75 | TEONIC SRL | Municipiul Râmnicu Vâlcea | Vâlcea | 14 |
| 76 | EUROMETRIC SRL | Municipiul Alba Iulia | Alba | 14 |
| 77 | LINEX-PROD SRL | Municipiul Râmnicu Vâlcea | Vâlcea | 14 |
| 78 | CENTRAL INSTAL IMPEX SRL | Bucureşti Sectorul 3 | Bucureşti | 14 |
| 79 | EUROLIGHT SRL | Municipiul Reşiţa | Caraş-Severin | 14 |
| 80 | ELIOSTERM SRL | Municipiul Iaşi | Iaşi | 14 |
| 81 | STARINST PROEXPERT SRL | Municipiul Cluj-Napoca | Cluj | 14 |
| 82 | LYON BUSINESS SRL | Sat Vlădiceni, Comuna Tomeşti | Iaşi | 14 |
| 83 | R & M TOTAL COM SRL | Municipiul Focşani | Vrancea | 13 |
| 84 | LIM IMPEX SRL | Municipiul Buzău | Buzău | 13 |
| 85 | DEN LUIZ SRL | Municipiul Băileşti | Dolj | 13 |
| 86 | SOLARGROUP ENERGY RO S.R.L. | Municipiul Salonta | Bihor | 13 |
| 87 | UNICAL GAZ SRL | Municipiul Alba Iulia | Alba | 12 |
| 88 | GRUMTECH SRL | Municipiul Piatra Neamţ | Neamţ | 12 |
| 89 | T&K GROUP SRL | Comuna Apahida | Cluj | 12 |
| 90 | B & S DISTRICONSTRUCT SRL | Sat Miroslava, Comuna Miroslava | Iaşi | 12 |
| 91 | BOGDAN STORE S.R.L. | Sat Dobroeşti, Comuna Dobroeşti | Ilfov | 12 |
| 92 | ROYAL N SERVICII SRL | Municipiul Câmpina | Prahova | 11 |
| 93 | VALTEX SRL | Municipiul Râmnicu Vâlcea | Vâlcea | 11 |
| 94 | INSTALEXPERT SRL | Municipiul Galaţi | Galaţi | 11 |
| 95 | Riello Ro SRL | Bucureşti Sectorul 1 | Bucureşti | 11 |
| 96 | TAKTFEST SRL | Municipiul Iaşi | Iaşi | 11 |
| 97 | AMADEUS SRL | Municipiul Satu Mare | Satu Mare | 11 |
| 98 | DAFERO SRL | Municipiul Oradea | Bihor | 11 |
| 99 | MIREL & AURELIA SRL | Municipiul Buzău | Buzău | 11 |
| 100 | INSTALCORP CONCEPT SRL | Municipiul Constanţa | Constanţa | 11 |
