Powys Ecology Surveys - Llanrhaeadr-ym-Mochnant

Jones landscapes and Environment Services Wales - Swansea

GCR Environmental Systems - Newtown

Eagle Safety & Environment Ltd - Welshpool

Archaeology Wales Ltd. Main Office - Pontypridd

Oakwood Environmental Services - Newport

B. Sharp electrical - Prestatyn

Clearsafe Knotweed - Swansea

Nellie Technologies LTD - Aberystwyth

Celtic Ecology - Caerphilly