Eastwood Demolition - Belfast

Quarryplan Limited - Downpatrick

Caldwell Consulting Engineers Ltd - Belfast

Tri-power Environmental Energy ltd - Belfast

A E S Marconi - Newtownards

Environmental Products and Services Ltd - Newry

Environment & Planning Services - Antrim

Aeon Environmental - Belfast

Cusher Environmental Consultancy - Armagh

O'Callaghan Planning - Newry