| ACFCdN | Association des Chemins de Fer des Côtes-du-Nord | In French | → Associations → Transport and postal services |
| BAC | Béton Armé Continu | In French | → Civil engineering → Building |
| BAU | Bande d'Arrêt d'Urgence | In French | → Civil engineering |
| BB | Béton Bitumineux | In French | → Civil engineering |
| BBC | Béton Bitumineux Clouté | In French | → Civil engineering |
| BBDR | Béton Bitumineux DRainant | In French | → Civil engineering |
| BBF | Béton Bitumineux à Froid | In French | → Civil engineering |
| BBM | Béton Bitumineux Mince | In French | → Civil engineering |
| BBME | Béton Bitumineux à Module Élevé | In French | → Civil engineering |
| BBS | Béton Bitumineux pour chaussée Souple | In French | → Civil engineering |
| BBS | Béton Bitumineux pour couche de Surface | In French | → Civil engineering |
| BBSG | Béton Bitumineux Semi-Grenu | In French | → Civil engineering |
| BBTM | Béton Bitumineux Très Mince | In French | → Civil engineering |
| BBUM | Béton Bitumineux Ultra Mince | In French | → Civil engineering |
| BCC | Béton de Ciment Compacté | In French | → Civil engineering → Building |
| BCDR | Béton de Ciment DRainant | In French | → Civil engineering → Building |
| BCG | Béton de Ciment Goujonné | In French | → Civil engineering → Building |
| BMR | Bureau Météorologique Routier | In French | → Meteorology, climatology |
| BNEVT | Bureau de Normalisation de l'Exploitation de la Voirie et des Transports | In French | → Transport and postal services |
| BNSR | Bureau de Normalisation des Sols et des Routes | In French | |
| BPE | Béton Prêt à l'Emploi | In French | → Civil engineering → Building |
| BV | Béton Vibré | In French | → Civil engineering → Building |
| DDE | Direction Départementale de l'Équipement | In French | → Regional administration → Civil engineering |
| ENATT | École Nationale d'Application des Techniques des Transports Terrestres | In French | → Specialized or (poly)technical colleges → Vehicle engineering |
| FSIR | Fonds Spécial d'Investissement Routier | In French | → Public finance → Transport and postal services |
| FSV | Österreichische Forschungsgesellschaft Straße - Schiene - Verkehr | In German | → Vehicle engineering → Transport and postal services |
| HRH | Holdfast Rubber Highway | In English | → Plastic industry |
| IFTSTP | Institut de Formation des Techniciens Spécialisés des Travaux Publics | In French | → Specialized or (poly)technical colleges → Civil engineering |