- Concordat of Worms
- Concorde supersonic passenger jet
- Concordia
- Concordia family
- Concordia Station
- concrete
- concrete admixture
- concrete arch dam
- concrete batching station
- concrete beam
- concrete block
- concrete box girder of railway bridge
- concrete bridge
- concrete bridge erection
- concrete bridge fabrication
- concrete buttress dam
- concrete category
- concrete class
- concrete cleaning recycling station
- concrete coating
- concrete column
- concrete concept
- concrete construction
- concrete cutting machine
- concrete dam