NPA's recent clients include:
| . United Utilities |
. Dalemain Estate |
. Eden Property Developments Ltd |
| . Thomas Armstrong Ltd |
. Stainsby Grange Ltd |
. Durham Wildlife Trust |
| . United Utilities Electricity Plc |
. Sleeperz Hotels Ltd |
. Dunwoodie Architecture & Design |
| . Durham County Council |
. Richmondshire District Council |
. North Hartlepool Partnership |
| . Quadrangle Architectural Services |
. Johnston and Wright |
. Penrith Farmers' & Kidd's Plc |
| . Environment Agency |
. Alston Murphy Associates |
. Eden Housing Association Ltd |
| . Northern Gas Networks |
. Mike Miller Associates |
. Dalton Park Developments |
| . Carlisle City Council |
. Border Homes |
. Bursar, Austin Friars St. Monica's |
| . Cumbria County Council |
. GSC Chartered Surveyors |
. Larches Property Ltd |
| . Entec UK Ltd |
. AREVA |
. Friends of Egremont Castle |
| . Maryport Developments Ltd |
. United Utilities Electricity Plc |
. The Coal Authority |
| . Lake District Homes Ltd |
. Goldfinch Estates Ltd |
. Leconfield Estates |
| . Holker Estates Company Limited |
. ADL Architects |
. Northern Developments Ltd |
| . TradeLink Solutions |
. Lake District National Park |
. Montgomery Homes |
| . John Niven Architects |
. Border Construction |
. National Farmer's Union |
| . Cumbria Tile Supplies Ltd |
. Newcastle City Council |
. Carlisle Glass |
| . Naworth Castle Estate |
. Abbey Homes (Cumbria) Ltd |
. AWG Construction |
| . Leader Construction |
. Senator Homes |
. English Heritage |
| . Holker Estates |
. Sustrans North |
. RSPB |
| . North East Property Holdings |
. Ashleigh Construction |
. Capita Symonds |
| . Millbeck Developments |
. Left Bank Developments Ltd |
. Northumbrian Water |
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