Bri-Tek Technologies LTD ;Bolton

Bright Light Industries Ltd ;London

Cambium ;Peterborough

Cambridge Ahead ;Cheveley

Cambridge Architectural Research Ltd ;Cambridge

Cambridge Biorenewables ltd ;Cambridge

Cambridge Carbon Capture ;Cambridge

Cambridge CMOS Sensors ;Cambridge

Cambridge Environment & Technology Ltd ;Haverhill

Cambridge Funding Solutions ;Cambridge

Cambridge Heat Transfer Ltd ;Cambridge

Cambridge Innovation Capital ;Cambridge

Cambridge Interim HR Ltd ;Cambridge

Cambridge IP ;Cambridge

Cambridge Nanosystems ;Cambridge

Cambridge Nanotherm Ltd ;Haverhill

Cambridge Regional College ;Cambridge

Cambridge Research Park ;Cambridge

Cambridge Smart Solutions Ltd ;Cambridge

Cambridge Solar Ltd ;Cambridge

Cambridge Sustainability Consultants ;Sandy

Cambridge Transport Solutions Limited ;Cambridge

Cambridge University Hospitals NHS Foundation Trust ;Cambridge

Cambridge Water ;Cambridge

Cambridgeshire County Council ;Cambridge

Cambustion Ltd ;Cambridge

Cameron Brown ;Cambridge

Camfridge ;Cambridge

Camrow ;Cambridge

Can-Ewe Limited ;Ely

Carbon 2050 Ltd ;Cambridge

Cave Associates ;Cambridge

CDWM ;Cambridge

Cernunnos Homes ;Cambridge

Chalmor ;Luton

Charles Lang ;Cambridge

China National Engineering Consultancy ;Cambridge

China-Jiangsu Representative Office in the UK ;Chelmsford

CHP Ventures ;London

CIR Strategy ;Cambridge

Clarity Sustainability - Communications ;Woburn

Cleantech Capital Advisors ;London

CleanTech Leasing ;Chatham

Clearfleau ;Bracknall

Climate Energy Limited ;Witham

COEL ;Cambridge

Cognima ;Cambridge

Cole Consulting ;Cambridge

Coller IP Management Ltd ;Wallingford

Conscious Communications ;Cambridge

Converter Technology ;Reading

Couch Perry & Wilkes ;Huntingdon

CRedit360 ;Cambridge

Cube Clean Tech ;Cambridge

Cyan  ;Swavesey

Datum Phase Change Ltd ;Clavering

David Ball Group ;Cambridge

Deloitte ;Cambridge

Deyton Bell ;Cambridge

Doctor Energy ;Awmlch

DTK Water ;Northampton