| Dent All Group | Rhône | 2025 | 100 |
| Entreprise Adaptee de Sous Traitance Industrielle | Isère | 2025 | 99 |
| Somep Industrie | Isère | 2025 | 99 |
| Serco Sarl | Ain | 2025 | 97 |
| Project Usinage et Integration | Loir-et-Cher | 2025 | 94 |
| Fsm | Meuse | 2019 | 94 |
| Linamar Montfaucon Transmission | Haute-Loire | 2025 | 94 |
| Vosges Technologie Innovation & Industrie | Vosges | 2025 | 94 |
| Psi-industries | Savoie | 2025 | 93 |
| Nexteam Chatellerault Machining | Vienne | 2025 | 93 |
| Abipa France - Lci | Eure-et-Loir | 2019 | 92 |
| Halgand | Loire-Atlantique | 2025 | 92 |
| Figeac Aero | Lot | 2025 | 92 |
| Sgf | Savoie | 2022 | 92 |
| Sferic | Loir-et-Cher | 2025 | 92 |
| Sarl Indus et Commerc Techn Avancees | Territoire de Belfort | 2023 | 91 |
| Sermati | Lot | 2025 | 91 |
| Crm | Tarn | 2019 | 91 |
| Acb | Loire-Atlantique | 2025 | 91 |
| Association Serge Raimbault | Indre-et-Loire | 2025 | 89 |
| Mecabrive Industries | Corrèze | 2025 | 89 |
| Societe D'applications Electroniques et Mecaniques | Gard | 2025 | 89 |
| Etablissements Cazenave | Pyrénées-Atlantiques | 2024 | 88 |
| Mecachrome Toulouse | Haute-Garonne | 2018 | 88 |
| Mecaprec | Ariège | 2019 | 88 |
| Soc Nle Exploit Deshors Aero Defense Ind | Corrèze | 2024 | 88 |
| Streit Mecanique | Doubs | 2024 | 88 |
| Mecachrome Sable | Sarthe | 2021 | 88 |
| Ge Steam Power France | | 2025 | 88 |
| Etablissements J. C. Bouy | Vendée | 2025 | 87 |
| Emeca | Pyrénées-Atlantiques | 2024 | 87 |
| Mecanique Baumoise de Precision | Doubs | 2025 | 87 |
| Mecachrome France | Haute-Garonne | 2025 | 87 |
| Etablissements Zedce | Haute-Savoie | 2023 | 87 |
| Realmeca | Meuse | 2024 | 87 |
| Societe de Mecanique de Thiron-gardais | Eure-et-Loir | 2023 | 86 |
| S.a.b. Belmont | Loire | 2025 | 86 |
| Kep Technologies Integrated Systems | Yonne | 2025 | 86 |
| Pyle Industries | Haute-Saône | 2025 | 86 |
| Calip Normandie | Calvados | 2024 | 86 |
| Societe Electromecanique Diversifiee | Sarthe | 2025 | 85 |
| Mcsa-celerc | Cher | 2025 | 85 |
| Jv Mechanics | Gironde | 2025 | 85 |
| CAP meca | Calvados | 2020 | 85 |
| Scop Nea | Savoie | 2025 | 85 |
| Oratech Innovation | Loire-Atlantique | 2025 | 85 |
| Mecachrome Saint Andre | Haute-Garonne | 2025 | 85 |
| Precision Mecanique de Brive | Corrèze | 2020 | 84 |
| Saint-gobain Seva | Saône-et-Loire | 2025 | 83 |
| Dedienne Aerospace | Haute-Garonne | 2025 | 83 |
| Rabas | Loire-Atlantique | 2022 | 82 |
| Mecapole Occitanie | Gers | 2023 | 82 |
| Cefimeca | Loire | 2022 | 82 |
| Etablissements Marie | Haute-Marne | 2025 | 82 |
| Nexteam Olemps Machining | Aveyron | 2024 | 81 |
| Groupe Rossi Aero | Haute-Garonne | 2025 | 81 |
| Industrie Doloise de Micro-mecanique | Jura | 2025 | 81 |
| Savoie Rectification | Haute-Savoie | 2019 | 81 |
| Metalia Industrie | Loire-Atlantique | 2025 | 81 |
| Louis Armand Industrie | Loiret | 2024 | 81 |
| Saint Jean Industries Lorraine | Vosges | 2021 | 80 |
| Atelier Bureau de Construction Mecanique | Vendée | 2024 | 80 |
| Vignal Artru Industries | Drôme | 2022 | 80 |
| Anderton Castings | Loire | 2023 | 80 |
| U N T | Jura | 2025 | 79 |
| Smpt | Maine-et-Loire | 2020 | 75 |
| S.a.d.e.v. | Vendée | 2025 | 75 |
| Conorm | Eure-et-Loir | 2025 | 69 |
| Curtil Sa | Jura | 2020 | 67 |
| Sab Montmerle | Ain | 2025 | 65 |
| Societe Etudes et Construction Mecanique | Haute-Vienne | 2025 | 64 |
| Guelt | Finistère | 2023 | 64 |
| Jogam Composants | Maine-et-Loire | 2020 | 64 |
| Segnere Sas | Hautes-Pyrénées | 2024 | 62 |
| Mcsa-sipem | Cher | 2025 | 58 |
| Ortec Services Industrie | Bouches-du-Rhône | 2025 | 51 |
| La Precision Industry | Haute-Savoie | 2024 | 47 |
| Aresia-fix | Hauts-de-Seine | 2020 | 45 |
| Etablissements Visco | Loiret | 2025 | 41 |
| Mecadaq Chanteloup | Yvelines | 2024 | 35 |