| 1 | SAIPEM ROMANIA S.R.L. | Sat Ariceştii Rahtivani, Comuna Ariceştii Rahtivani | Prahova | 1.5 bn | 351 |
| 2 | REGISTRUL AUTO ROMAN RA | Bucureşti Sectorul 1 | Bucureşti | 701.1 m | 1,655 |
| 3 | EXPLEO ROMANIA S.R.L. | Bucureşti Sectorul 6 | Bucureşti | 259.3 m | 1,085 |
| 4 | GVS MICROFILTRAZIONE SRL | Bucureşti Sectorul 1 | Bucureşti | 164.9 m | 414 |
| 5 | COMPANIA NAŢIONALĂ PENTRU CONTROLUL CAZANELOR, INSTALAŢIILOR DE RIDICAT ŞI RECIPIENTELOR SUB PRESIUNE - (CNCIR) SA | Bucureşti Sectorul 1 | Bucureşti | 133.4 m | 557 |
| 6 | STADA HEMOFARM SRL | Municipiul Timişoara | Timiş | 130.9 m | 255 |
| 7 | SGS ROMANIA SA | Bucureşti Sectorul 4 | Bucureşti | 118.8 m | 462 |
| 8 | MOVEOS SRL | Loc. Rovinari, Oraş Rovinari | Gorj | 116.1 m | 1,215 |
| 9 | TUV AUSTRIA ROMANIA SRL | Bucureşti Sectorul 6 | Bucureşti | 109.4 m | 179 |
| 10 | SEIDEL UND NAUMANN ROMANIA SRL | Municipiul Oradea | Bihor | 72.2 m | 98 |
| 11 | DECOMAR LOGISTIC SRL | Bucureşti Sectorul 6 | Bucureşti | 72.2 m | 470 |
| 12 | BUREAU VERITAS S.R.L. | Municipiul Galaţi | Galaţi | 63.1 m | 168 |
| 13 | ROMPETROL QUALITY CONTROL SRL | Loc. Năvodari, Oraş Năvodari | Constanţa | 58.6 m | 185 |
| 14 | GEOSTUD SRL | Bucureşti Sectorul 1 | Bucureşti | 49.6 m | 159 |
| 15 | FORMEL D ROMÂNIA SRL | Municipiul Sibiu | Sibiu | 47.2 m | 349 |
| 16 | TRIGO ROMANIA S.A. | Municipiul Timişoara | Timiş | 45.8 m | 386 |
| 17 | CONTROL-UNION ROMANIA SRL | Municipiul Constanţa | Constanţa | 38.6 m | 208 |
| 18 | IMAGE QUALITY CONTROL DIVISION SRL | Sat Sboghiţeşti, Comuna Nucşoara | Argeş | 35.9 m | 217 |
| 19 | DYOMEDICA CND SRL | Municipiul Ploieşti | Prahova | 35.8 m | 45 |
| 20 | GEOLOGIC SITE SRL | Loc. Călan, Oraş Călan | Hunedoara | 34.7 m | 54 |
| 21 | ALS ROMANIA SRL | Sat Gura Roşiei, Comuna Roşia Montană | Alba | 26.2 m | 40 |
| 22 | GLOBAL ENGINEERING SERVICES & SOLUTIONS S.R.L. | Municipiul Sibiu | Sibiu | 25.3 m | 76 |
| 23 | IPROEX ENERGY MANAGEMENT SRL | Bucureşti Sectorul 1 | Bucureşti | 24.2 m | 41 |
| 24 | GAMSERV CONS SRL | Municipiul Bacău | Bacău | 24.0 m | 22 |
| 25 | SGP - SORTING GROUP SRL | Municipiul Timişoara | Timiş | 23.6 m | 238 |
| 26 | HIKVISION TECHNOLOGIES S.R.L. | Bucureşti Sectorul 5 | Bucureşti | 22.0 m | 39 |
| 27 | INTERTEK INDUSTRY SERVICES ROMANIA SRL | Bucureşti Sectorul 5 | Bucureşti | 21.9 m | 8 |
| 28 | METRON SERV SRL | Municipiul Focşani | Vrancea | 20.2 m | 77 |
| 29 | MULTICO SRL | Municipiul Arad | Arad | 20.1 m | 126 |
| 30 | SEGULA TESTING & VALIDATION S.R.L. | Municipiul Piteşti | Argeş | 19.9 m | 43 |
| 31 | EUROFINS FOOD TESTING SRL | Bucureşti Sectorul 6 | Bucureşti | 19.8 m | 33 |
| 32 | DNV ROMANIA S.R.L. | Bucureşti Sectorul 1 | Bucureşti | 19.5 m | 13 |
| 33 | ADINA SRL | Sat Vânători, Comuna Vânători | Galaţi | 19.2 m | 16 |
| 34 | ERM ENVIRONMENTAL RESOURCES MANAGEMENT SRL | Bucureşti Sectorul 1 | Bucureşti | 17.4 m | 22 |
| 35 | NOV GERMANY GMBH CELLE GERMANIA SUCURSALA TÂRGOVIŞTE | Municipiul Târgovişte | Dâmboviţa | 16.9 m | 43 |
| 36 | DCA DIMENSIONAL CONTROL SRL | Sat Băceşti, Comuna Drăganu | Argeş | 16.9 m | 27 |
| 37 | AMSPEC ROMANIA S.R.L. | Municipiul Constanţa | Constanţa | 16.6 m | 70 |
| 38 | EUROFINS ASBESTOS TESTING ROMANIA S.R.L. | Bucureşti Sectorul 6 | Bucureşti | 16.5 m | 56 |
| 39 | NIXI S.R.L. | Loc. Găeşti, Oraş Găeşti | Dâmboviţa | 15.4 m | 141 |
| 40 | METROMAT SRL | Municipiul Săcele | Braşov | 15.2 m | 58 |
| 41 | SMART SUPPLY LOGISTIC S.R.L. | Oraş Mioveni | Argeş | 14.4 m | 135 |
| 42 | SYNEVOVET SRL | Sat Chiajna, Comuna Chiajna | Ilfov | 14.3 m | 41 |
| 43 | TÜV RHEINLAND ROMANIA SRL | Bucureşti Sectorul 3 | Bucureşti | 14.1 m | 22 |
| 44 | INTERMEDIA CALL 2005 SRL | Municipiul Hunedoara | Hunedoara | 13.8 m | 50 |
| 45 | ECOCERT SRL | Bucureşti Sectorul 1 | Bucureşti | 13.2 m | 39 |
| 46 | WESSLING ROMANIA SRL | Municipiul Târgu Mureş | Mureş | 13.0 m | 70 |
| 47 | VASIROM INTERNATIONAL SRL | Municipiul Ploieşti | Prahova | 12.9 m | 22 |
| 48 | ALS LIFE SCIENCES ROMANIA SRL | Municipiul Ploieşti | Prahova | 12.2 m | 48 |
| 49 | METROSENZOR SRL | Municipiul Constanţa | Constanţa | 11.3 m | 31 |
| 50 | DEKRA CERTIFICATION SRL | Bucureşti Sectorul 5 | Bucureşti | 11.1 m | 23 |
| 51 | ROMCONTROL SA | Bucureşti Sectorul 1 | Bucureşti | 11.0 m | 87 |
| 52 | SPECTRUM NDT SRL | Bucureşti Sectorul 4 | Bucureşti | 11.0 m | 28 |
| 53 | TEHPRO SRL | Municipiul Cluj-Napoca | Cluj | 10.5 m | 12 |
| 54 | RUAL LABORATORIES SRL | Bucureşti Sectorul 5 | Bucureşti | 10.4 m | 18 |
| 55 | INFRASOILTEST S.R.L. | Municipiul Cluj-Napoca | Cluj | 10.1 m | 26 |
| 56 | REGIO METRO CERT SRL | Comuna Pieleşti | Dolj | 9.9 m | 49 |
| 57 | B.B.N. INTERNATIONAL CARGO INSPECTION CO LTD SRL | Municipiul Constanţa | Constanţa | 9.9 m | 47 |
| 58 | PRESCON GROUP DEVELOPMENT SRL | Municipiul Braşov | Braşov | 9.8 m | 61 |
| 59 | CERTIND SA | Bucureşti Sectorul 1 | Bucureşti | 9.8 m | 27 |
| 60 | LABORATOR CENTRAL CONSTRUCTII CCF SRL | Bucureşti Sectorul 6 | Bucureşti | 9.8 m | 46 |
| 61 | CONSIM LABORATOR SRL | Bucureşti Sectorul 5 | Bucureşti | 9.4 m | 26 |
| 62 | BETONTEST & CONSULTING CO SRL | Bucureşti Sectorul 6 | Bucureşti | 9.1 m | 23 |
| 63 | NIPPON KAIJI KYOKAI SA JAPONIA SUCURSALA CONSTANŢA | Municipiul Constanţa | Constanţa | 9.1 m | 4 |
| 64 | QUALITY ENGINEERING AND INSPECTION SERVICES SRL | Municipiul Craiova | Dolj | 9.0 m | 38 |
| 65 | METROCERT UMITEMP SRL | Bucureşti Sectorul 2 | Bucureşti | 8.9 m | 26 |
| 66 | GEVA GAS & OIL SRL | Bucureşti Sectorul 4 | Bucureşti | 8.9 m | 6 |
| 67 | PETCOM INSPECTION INDEPENDENT SURVEYOR SRL | Municipiul Constanţa | Constanţa | 8.9 m | 80 |
| 68 | LABORATOR DE FEBRUARIE S.R.L. | Loc. Mavrodin, Oraş Răcari | Dâmboviţa | 8.7 m | 29 |
| 69 | CAR TESTING CENTER S.R.L. | Municipiul Cluj-Napoca | Cluj | 8.5 m | 0 |
| 70 | ABTOR SRL | Municipiul Rădăuţi | Suceava | 8.4 m | 10 |
| 71 | PROIECT INSTALL GAZ SRL | Sat Sântandrei, Comuna Sântandrei | Bihor | 8.1 m | 40 |
| 72 | PROSPECT TECHNICAL STUDIES S.R.L. | Oraş Pantelimon | Ilfov | 8.1 m | 36 |
| 73 | THE SNIFFERS S.R.L. | Municipiul Ploieşti | Prahova | 8.0 m | 31 |
| 74 | INTERTEK ATI SRL | Bucureşti Sectorul 5 | Bucureşti | 7.8 m | 12 |
| 75 | EUROPE QUALITE ROMANIA SRL | Municipiul Timişoara | Timiş | 7.5 m | 14 |
| 76 | IRCA SISTEM SRL | Municipiul Ploieşti | Prahova | 7.4 m | 17 |
| 77 | MEXGAZ SERVICE SRL | Comuna Slătioara | Olt | 7.3 m | 20 |
| 78 | DRALEX AUTO TEST S.R.L. | Sat Valea Stâlpului, Comuna Teişani | Prahova | 7.0 m | 39 |
| 79 | G T F LABORATOR - GEOTEHNICA & TEREN DE FUNDARE SRL | Bucureşti Sectorul 3 | Bucureşti | 6.9 m | 16 |
| 80 | TEHNO TRUST S.R.L. | Municipiul Braşov | Braşov | 6.9 m | 1 |
| 81 | EURO NDT INSPECTION SRL | Municipiul Ploieşti | Prahova | 6.8 m | 23 |
| 82 | METROREAL SRL | Sat Pieleşti, Comuna Pieleşti | Dolj | 6.7 m | 30 |
| 83 | AVA STING SRL | Sat Săvineşti, Comuna Săvineşti | Neamţ | 6.7 m | 16 |
| 84 | PRECOTTI SRL | Municipiul Timişoara | Timiş | 6.6 m | 22 |
| 85 | R.S.V.T.I CONSULTING SRL | Bucureşti Sectorul 2 | Bucureşti | 6.3 m | 26 |
| 86 | ECOINSPECT SRL | Municipiul Cluj-Napoca | Cluj | 6.3 m | 34 |
| 87 | ALL INCLUSIVE TESTE LABORATOR SRL | Bucureşti Sectorul 1 | Bucureşti | 6.2 m | 24 |
| 88 | BUREAU VERITAS SERVICII S.R.L. | Bucureşti Sectorul 3 | Bucureşti | 6.1 m | 6 |
| 89 | TRESCAL ROMANIA SRL | Bucureşti Sectorul 5 | Bucureşti | 6.1 m | 11 |
| 90 | ALPADER BIZZ S.R.L. | Municipiul Braşov | Braşov | 6.1 m | 5 |
| 91 | UNILAB SRL | Bucureşti Sectorul 1 | Bucureşti | 6.0 m | 19 |
| 92 | RAC SRL | Loc. Năvodari, Oraş Năvodari | Constanţa | 6.0 m | 27 |
| 93 | S.I.M.A.R. SA | Bucureşti Sectorul 6 | Bucureşti | 5.9 m | 20 |
| 94 | EXPERT QUALITY SERVICE EQS SRL | Municipiul Piteşti | Argeş | 5.9 m | 72 |
| 95 | EDGE ROUND DESIGN SRL | Municipiul Ploieşti | Prahova | 5.7 m | 16 |
| 96 | MELA MOV CAR SERVICE SRL | Sat Vlădiceni, Comuna Tomeşti | Iaşi | 5.6 m | 15 |
| 97 | CMCLEGAL - TRADE S.R.L. | Comuna Cumpăna | Constanţa | 5.6 m | 1 |
| 98 | BMM SPAIN TESTLABS S.L. BARCELONA SUCURSALA BUCUREȘTI | Bucureşti Sectorul 1 | Bucureşti | 5.6 m | 17 |
| 99 | ITP TOPINSPECT S.R.L. | Municipiul Sibiu | Sibiu | 5.4 m | 23 |
| 100 | FERTRUST SRL | Bucureşti Sectorul 6 | Bucureşti | 5.4 m | 3 |