| 1 | ATU TECH SRL | Municipiul Sibiu | Sibiu | 111,6 mil. | 92 |
| 2 | ADVANCE SRL | Municipiul Cluj-Napoca | Cluj | 91,4 mil. | — |
| 3 | BGS MONITORIZARE ŞI INTERVENŢIE SRL | Bucureşti Sectorul 3 | Bucureşti | 55,1 mil. | 242 |
| 4 | SION SOLUTION SRL | Bucureşti Sectorul 5 | Bucureşti | 40,7 mil. | 126 |
| 5 | EUROTEHNICA IT&C SRL | Sat Terpeziţa, Comuna Terpeziţa | Dolj | 30,0 mil. | 33 |
| 6 | ESIG EXPERT SYSTEMS SRL | Bucureşti Sectorul 1 | Bucureşti | 21,4 mil. | 4 |
| 7 | CRISTAL SRL | Municipiul Bacău | Bacău | 20,6 mil. | 17 |
| 8 | ELECTRONIC SECURITY SYSTEMS SRL | Bucureşti Sectorul 3 | Bucureşti | 20,6 mil. | 21 |
| 9 | BERAN SECURITY SRL | Bucureşti Sectorul 3 | Bucureşti | 18,5 mil. | 18 |
| 10 | EMPORIUM SRL | Bucureşti Sectorul 1 | Bucureşti | 18,4 mil. | 30 |
| 11 | MNL PROJECT SECURITY SRL | Municipiul Galaţi | Galaţi | 14,2 mil. | 35 |
| 12 | DASITRADE SRL | Municipiul Bacău | Bacău | 13,0 mil. | 27 |
| 13 | SBA TOTAL SMALL BUSSINES ADVANCED SRL | Sat Brăneşti, Comuna Brăneşti | Ilfov | 9,9 mil. | 8 |
| 14 | COMANDOR SRL | Municipiul Timişoara | Timiş | 9,5 mil. | 31 |
| 15 | ITCONSTRUCTION S.R.L. | Municipiul Sibiu | Sibiu | 9,1 mil. | 9 |
| 16 | WE4 DESIGN SECURITY S.R.L. | Bucureşti Sectorul 4 | Bucureşti | 8,9 mil. | 16 |
| 17 | POLITES ONLINE SRL | Municipiul Craiova | Dolj | 8,8 mil. | 6 |
| 18 | MATRIX COMPUTERS SRL | Municipiul Arad | Arad | 7,8 mil. | 21 |
| 19 | CONTROL GENERAL SERVICES SRL | Bucureşti Sectorul 1 | Bucureşti | 7,6 mil. | 3 |
| 20 | BIGBROTHER AUDITING S.R.L. | Municipiul Cluj-Napoca | Cluj | 7,5 mil. | 17 |
| 21 | OMEGA BC COMMUNICATIONS SRL | Loc. Comăneşti, Oraş Comăneşti | Bacău | 7,0 mil. | 29 |
| 22 | SECURITY SISTEMS IMPEX SRL | Bucureşti Sectorul 1 | Bucureşti | 6,7 mil. | 6 |
| 23 | 4HOME SRL | Municipiul Timişoara | Timiş | 6,7 mil. | 8 |
| 24 | TOTAL ZONE SECURITY S.R.L. | Oraş Voluntari | Ilfov | 6,2 mil. | 4 |
| 25 | EMPO SYSTEMS SRL | Bucureşti Sectorul 6 | Bucureşti | 5,4 mil. | 24 |
| 26 | TOMIS SECURITY COMPUTERS SYSTEM SRL | Loc. Borsa, Oraş Borşa | Maramureş | 5,4 mil. | 17 |
| 27 | INFOBIT CONSULT SRL | Municipiul Târgovişte | Dâmboviţa | 4,9 mil. | 7 |
| 28 | AVB SECURITY SRL | Municipiul Timişoara | Timiş | 4,8 mil. | 18 |
| 29 | MAGIC SAFE MONITORING SRL | Municipiul Piteşti | Argeş | 4,7 mil. | 22 |
| 30 | ARHAIS ENGINEERING SRL | Sat Săcălaz, Comuna Săcălaz | Timiş | 4,7 mil. | 25 |
| 31 | VELSIGUR SRL | Municipiul Piatra Neamţ | Neamţ | 4,6 mil. | 1 |
| 32 | MDS FIRE TECH S.R.L. | Municipiul Ploieşti | Prahova | 4,5 mil. | 9 |
| 33 | AVANTAJ PROSOLUTIONS SRL | Bucureşti Sectorul 3 | Bucureşti | 4,4 mil. | 12 |
| 34 | TECHNOSMART ELECTROCONSTRUCT S.R.L. | Sat Măgura, Comuna Măgura | Bacău | 4,4 mil. | 16 |
| 35 | SET ALARM INTERNATIONAL SRL | Bucureşti Sectorul 4 | Bucureşti | 4,4 mil. | 14 |
| 36 | KATREIN SRL | Sat Măgura, Comuna Măgura | Bacău | 4,1 mil. | 7 |
| 37 | VP SISTEM INTERNATIONAL SRL | Bucureşti Sectorul 6 | Bucureşti | 4,0 mil. | 15 |
| 38 | LOCKOUT SYSTEMS S.R.L. | Sat Peşteniţa, Comuna Densuş | Hunedoara | 3,8 mil. | 5 |
| 39 | V.O.G. SISTEM TEHNIC SRL | Bucureşti Sectorul 6 | Bucureşti | 3,6 mil. | 19 |
| 40 | TRANSPORT MONITOR CONTROL SRL | Municipiul Oradea | Bihor | 3,5 mil. | 32 |
| 41 | MEEM SOFT SRL | Municipiul Carei | Satu Mare | 3,3 mil. | 10 |
| 42 | FORTICO TECHNICAL DIVISION S.R.L. | Municipiul Piatra Neamţ | Neamţ | 3,2 mil. | 5 |
| 43 | LUSEK SRL | Municipiul Suceava | Suceava | 3,1 mil. | 5 |
| 44 | RASSCO SECURITATE SA | Bucureşti Sectorul 1 | Bucureşti | 2,8 mil. | 6 |
| 45 | EXPERIENCE SOURCE SRL | Municipiul Târgu Jiu | Gorj | 2,8 mil. | 9 |
| 46 | DECONSIS SOLUTION SRL | Municipiul Timişoara | Timiş | 2,8 mil. | 8 |
| 47 | PARCROM SERVICE SRL | Municipiul Cluj-Napoca | Cluj | 2,8 mil. | 6 |
| 48 | VALAHIA GUARD SYSTEMS SRL | Municipiul Alexandria | Teleorman | 2,7 mil. | 5 |
| 49 | UNIVERS INSTAL SECURITY SRL | Municipiul Constanţa | Constanţa | 2,7 mil. | 3 |
| 50 | MONTEGRA SOLUTIONS S.R.L. | Sat Mihai Viteazu, Comuna Mihai Viteazu | Cluj | 2,6 mil. | 4 |
| 51 | IT BUSINESS ADVISOR SRL | Bucureşti Sectorul 4 | Bucureşti | 2,6 mil. | 5 |
| 52 | VERIFIES INTEGRITY SRL | Bucureşti Sectorul 4 | Bucureşti | 2,5 mil. | 4 |
| 53 | SMART SERVICE INSTAL S.R.L. | Municipiul Iaşi | Iaşi | 2,5 mil. | 3 |
| 54 | MVD COMALITEH SRL | Municipiul Botoşani | Botoşani | 2,5 mil. | 10 |
| 55 | TODAX S.R.L. | Bucureşti Sectorul 4 | Bucureşti | 2,5 mil. | 27 |
| 56 | GS TEHNIC SECURITY S.R.L. | Bucureşti Sectorul 5 | Bucureşti | 2,3 mil. | 2 |
| 57 | DELTA SIS S.R.L. | Sat Ştefăneştii de Jos, Comuna Ştefăneştii de Jos | Ilfov | 2,3 mil. | 3 |
| 58 | MIFA SECURITY SRL | Bucureşti Sectorul 6 | Bucureşti | 2,3 mil. | 10 |
| 59 | VISPA SECURITY SRL | Municipiul Iaşi | Iaşi | 2,2 mil. | 7 |
| 60 | ATTIN SYSTEMS S.R.L. | Oraş Cajvana | Suceava | 2,2 mil. | 4 |
| 61 | SSP TECHNIC PLATFORM SRL | Bucureşti Sectorul 6 | Bucureşti | 2,1 mil. | 5 |
| 62 | ZEBRA SOLUTIONS SRL | Municipiul Târgu Mureş | Mureş | 2,1 mil. | 2 |
| 63 | MATHSYS SECURITY SOLUTIONS SRL | Bucureşti Sectorul 3 | Bucureşti | 2,1 mil. | 3 |
| 64 | ZOOM SYSTEMS SRL | Municipiul Constanţa | Constanţa | 2,0 mil. | 6 |
| 65 | ELECTRO PRONTO SRL | Municipiul Satu Mare | Satu Mare | 2,0 mil. | 6 |
| 66 | DATCOM FIT SOLUTIONS S.R.L. | Bucureşti Sectorul 5 | Bucureşti | 1,9 mil. | 7 |
| 67 | TOTAL CERBER SRL | Municipiul Buzău | Buzău | 1,9 mil. | 3 |
| 68 | AXEN STAR INSTALAȚII S.R.L. | Municipiul Galaţi | Galaţi | 1,9 mil. | 7 |
| 69 | ABC SMART CONNECT SECURITY SRL | Municipiul Piteşti | Argeş | 1,9 mil. | 6 |
| 70 | EVOTECH SYSTEMS S.R.L. | Municipiul Focşani | Vrancea | 1,9 mil. | 1 |
| 71 | SSM & SIU SRL | Sat Ceuaşu de Cîmpie, Comuna Ceuaşu de Cîmpie | Mureş | 1,9 mil. | 4 |
| 72 | VECTOR SYSTEMS SRL | Sat Teiu, Comuna Galicea | Vâlcea | 1,9 mil. | 6 |
| 73 | MACOSOFT SRL | Municipiul Târgu Jiu | Gorj | 1,8 mil. | 3 |
| 74 | HELLO SECURITY S.R.L. | Loc. Bragadiru, Oraş Bragadiru | Ilfov | 1,8 mil. | 2 |
| 75 | POLITES SRL | Municipiul Craiova | Dolj | 1,8 mil. | 6 |
| 76 | KABER SYSTEM ACTIVE SRL | Bucureşti Sectorul 3 | Bucureşti | 1,7 mil. | 2 |
| 77 | SISTEM CONECT SRL | Municipiul Suceava | Suceava | 1,7 mil. | 8 |
| 78 | TRIUMPH CONSTRUCT INSTAL SRL | Bucureşti Sectorul 4 | Bucureşti | 1,7 mil. | 6 |
| 79 | PRO CENTOS DM S.R.L. | Municipiul Tecuci | Galaţi | 1,6 mil. | 2 |
| 80 | TECHSON SRL | Municipiul Arad | Arad | 1,6 mil. | 4 |
| 81 | ARGUS SECURITY SYSTEMS S.R.L. | Bucureşti Sectorul 6 | Bucureşti | 1,6 mil. | 4 |
| 82 | MIFA SYSTEMS SRL | Oraş Bragadiru | Ilfov | 1,5 mil. | 6 |
| 83 | GLOBAL POWER SYSTEM SECURITY S.R.L. | Sat Ocniţa, Comuna Ocniţa | Dâmboviţa | 1,5 mil. | 5 |
| 84 | SISTEM-T.C. SRL | Municipiul Constanţa | Constanţa | 1,5 mil. | 2 |
| 85 | AVATEL ENERGY SRL S.R.L. | Bucureşti Sectorul 3 | Bucureşti | 1,5 mil. | 1 |
| 86 | DIRECT TECHNOLOGY SRL | Bucureşti Sectorul 1 | Bucureşti | 1,4 mil. | 7 |
| 87 | ASIVEC SECURITY SISTEMS S.R.L. | Comuna Berceni | Ilfov | 1,4 mil. | 2 |
| 88 | EUROCLAS SECURITY SOLUTIONS S.R.L. | Municipiul Buzău | Buzău | 1,4 mil. | 6 |
| 89 | PETCU INNOVO S.R.L. | Sat Şelimbăr, Comuna Şelimbăr | Sibiu | 1,4 mil. | 12 |
| 90 | RECENCY GROUP SRL | Bucureşti Sectorul 1 | Bucureşti | 1,3 mil. | 4 |
| 91 | IPCCTV S.R.L. | Sat Chilişeni, Comuna Udeşti | Suceava | 1,3 mil. | 3 |
| 92 | SDG SECURITY SERVICES S.R.L. | Municipiul Suceava | Suceava | 1,3 mil. | 4 |
| 93 | LIVE SECURITY TECHNOLOGIES SRL | Sat Dudu, Comuna Chiajna | Ilfov | 1,3 mil. | 3 |
| 94 | FLY SOFT SRL | Municipiul Suceava | Suceava | 1,3 mil. | 2 |
| 95 | VDM UNIVERSAL SOLUTIONS SRL | Bucureşti Sectorul 3 | Bucureşti | 1,3 mil. | 10 |
| 96 | REDIREKT ALARM SRL | Municipiul Brăila | Brăila | 1,3 mil. | 7 |
| 97 | KAPA SECURITY S.R.L. | Bucureşti Sectorul 3 | Bucureşti | 1,2 mil. | 3 |
| 98 | MMG SECURITY S.R.L. | Municipiul Slobozia | Ialomiţa | 1,2 mil. | 4 |
| 99 | DIGITAL SECURITY SERVICES S.R.L. | Bucureşti Sectorul 5 | Bucureşti | 1,2 mil. | 9 |
| 100 | ALPHA CORPORATION INNOVATIVE SRL | Bucureşti Sectorul 1 | Bucureşti | 1,2 mil. | 4 |