Elmswell Contractors - Ipswich

Engineering Concepts - Bury Saint Edmunds

G C Robertson & Associates Ltd - Woodbridge

Tellett Engineering Consultants Ltd (T3ec) - St. Neots

iDeas Design Consultants Ltd - Stowmarket

Anglia Survey & Design - Halesworth

GTC - Bury Saint Edmunds

Dunamis - Bury Saint Edmunds

Richard Herrmann Associates Ltd - Huntingdon

NexGen Engineering - Bury Saint Edmunds