JPM Contractors Ltd - Waltham Cross

Camfaud Concrete Pumps Ltd - Epping

KP Building Engineering Ltd - Waltham Cross

Arminhall Engineering Ltd - Saffron Walden

EAP Property Services Group Cambridge - Cambridge

Carney UK - Engineering Centre - Stansted

Silvester G E & A F Ltd - Bishop's Stortford

Foster Contracting Ltd - Colchester

Chesterford Research Park - Saffron Walden

Bauer Technologies - Bishop's Stortford