Vitruvius Management Services Ltd - Gloucester

De Havilland Engineering Group -

Access Engineering Services Ltd -

Ryeford Engineering (Glos) LTD - Stonehouse

Davies Torres Design Ltd - Stroud

Jacobs - Gloucester

J G B Engineering Ltd - Gloucester

Carillion Rail Civil Engineering - Gloucester

Coslin Construction Ltd - Gloucester

Dave Skinner Groundworks - Stroud