| SIRET | Nom | Nombre copropriétés |
| 48298041400494 | NATIVE IMMOBILIER | 172 |
| 49839377600030 | I-MMOCOOP | 163 |
| 30368948300129 | SA CHAMPENOISE CONSTRUCTIONS LOGEMENTS | 155 |
| 33688060400077 | SOC ETUD FINANCE INVESTIS CREDIT | 146 |
| 41178769000022 | SYNDIC HORIZON | 144 |
| 80262680400016 | LES CLEFS DE L'IMMOBILIER | 143 |
| 38960370500044 | AGENCE MODERNE REMOISE | 116 |
| 48409348900017 | SARL YANN MAUMEJEAN | 107 |
| 40135670400031 | GAERTNER IMMOBILIER | 82 |
| 42296773700038 | ADAM IMMO | 82 |
| 41245490200013 | MARCILLE IMMOBILIER | 76 |
| 54009618700013 | VK CHALONS EN CHAMPAGNE | 68 |
| 33548067900109 | PLURIAL NOVILIA | 67 |
| 91765657100010 | CABINET TEMPLIER IMMOBILIER | 56 |
| 89200738600022 | PIMELIYA | 47 |
| 80242673400017 | A.D.B. IMMOBILIER | 42 |
| 44426045900029 | VASSEUR*DAVID/ | 41 |
| 39464596400039 | SARL LITAS | 39 |
| 88013174300010 | AH IMMOBILIER | 38 |
| 41766346500025 | DH4 PARTENAIRE IMMOBILIER | 35 |
| 33718106900044 | DREUX IMMOBILIER | 34 |
| 89131614300041 | MJZ | 33 |
| 48514373900012 | SARL L'AGENCE | 8 |
| 50224640800012 | SEMPER FIDELIS | 7 |
| 93854169500020 | ECCLESIA | 7 |
| 38020665600015 | M ET B | 3 |
| 53210264700015 | CITY IMMOBILIER | 3 |