| 29701 | United Kingdom | Noble Green Energy | Badger Farm, Willowpit Lane, Hilton, Derbyshire, DE65 5FN | +44 1283 736637 | www.noblegreenenergy.co.uk | | |
| 29702 | United Kingdom | Norcroft Energy | Baggerwood Farm, Baggerwood Road, Thurgoland, Sheffield, S35 7AX | +44 1226 763127 | www.norcroftenergy.co.uk | | |
| 29703 | United Kingdom | Nordri Ltd. | Staney Hill Industrial Estate, Lerwick, Shetland, ZE1 0NA | +44 1595 695166 | www.nordri.co.uk | | |
| 29704 | United Kingdom | Noreus Ltd. | MED Innovation Centre 3, Keele University Science and Innovation Park Keele, Newcastle-under-Lyme, Staffordshire, ST5 5NP | +44 1785 330749 | https://www.noreus.co.uk | | |
| 29705 | United Kingdom | Norfolk Solar Ltd. | 2 Charles Watling Way, Bowthorpe Employment Area, Norwich, Norfolk, NR5 9JH | +44 1603 734851 | www.norfolksolar.co.uk | SMA Solar Technology AG, SolarEdge Technologies, Ltd., Ginlong Technologies Co., Ltd | |
| 29706 | United Kingdom | North East Electrical Ltd. | 3 St Pauls Dr, Mount Pleasant, Houghton-le-Spring, Tyne and Wear, North East DH4-7SH | +44 7800 546296 | www.northeastelectrical.co.uk | | |
| 29707 | United Kingdom | North Tyne Mobile Caravan Clinic Ltd. | Hole Head House, Henshaw, NE47 7EN | +44 800 2343284 | https://northtynemobilecaravanclinic.simpl... | | |
| 29708 | United Kingdom | North West Solar | 8, Lunefield Dr, Kirkby Lonsdale, Carnforth, LA6 2BY | +44 7811 393622 | www.nwsolar.co.uk | SMA Solar Technology AG, Fronius International GmbH | |
| 29709 | United Kingdom | Northants Electrical | | +44 7779 646073 | www.northantselectrical.co.uk | | |
| 29710 | United Kingdom | Northburn Solar Ltd | 16, Motcombe Way, Cramllington, Northumberland, NE23 3XL | +44 1670 336570 | www.northburnsolar.co.uk | Panasonic Corporation (Sanyo) | |
| 29711 | United Kingdom | Northern Bear Plc | A1 Grainger Prestwick Park, Prestwick Newcastle upon Tyne NE20 9SJ | +44 1661 820369 | northernbearplc.com | | |
| 29712 | United Kingdom | Northern Energy Solutions | 6 Waterloo Vale, South Shields, NE33 1BS | +44 844 4146030 | www.northernenergysolutions.co.uk | | |
| 29713 | United Kingdom | Northern Gas Heating Ltd | 267, Tettenhall Road, Wolverhampton, West Midlands, WV6 0DE | +44 800 0831000 | www.northerngasheating.com | | |
| 29714 | United Kingdom | Northern Solar Limited | 11, Muir Rd, Brookfield Business Park, Liverpool, L9 7AR | +44 151 2598503 | www.northernsolar.co.uk | | REC Group, SunPower Corp., Suntech Power Co., Ltd., Panasonic Corporation (Sanyo), Risen Energy Co., Ltd., LG Electronics, Inc. |
| 29715 | United Kingdom | Northwest Insulations Ltd | Unit 2, New Cheshire Business Park, Wincham Lane, Northwich, Cheshire, CW9 6GG | +44 808 1682354 | www.nwinsulation.co.uk | | |
| 29716 | United Kingdom | Nottingham Developments Ltd. | 16 The Ropewalk, Ilkeston, DE7 5HX | +44 1332 242252 | ndl-ltd.co.uk | | |
| 29717 | United Kingdom | Nova Renewables Ltd | | +44 1323 461200 | www.novarenewables.co.uk | Sharp Energy Solutions Europe, Panasonic Corporation (Sanyo), Hyundai Energy Solutions, Znshine PV-tech Co., Ltd. | SMA Solar Technology AG, Fronius International GmbH, Enphase Energy, Inc., ABB Italy S.p.A., SolarEdge Technologies, Ltd. |
| 29718 | United Kingdom | Novalux Energy Ltd. | Blackbrook Estate, Skenfrith, Monmouth, NP7 8UB | +44 1600 463008 | novaluxenergy.com | | |
| 29719 | United Kingdom | Next Phase Electrical Services Ltd. | Unit B2 Hilton Main Industrial Estate, Bognop Road, Essington, WV112BE | +44 1902 248684 | www.npessolar.co.uk | | |
| 29720 | United Kingdom | NPS Infinity | First Floor, No. 1 Smithy Court, Wigan WN3 6PS | +44 1942 610699 | https://npsinfinity.com | | |
| 29721 | United Kingdom | NSP Electrical Services | | +44 7738 957835 | www.nspelectrical.co.uk | | |
| 29722 | United Kingdom | National Solar Services | Unit 6, Whitefield Court, Taylor Business Park, Risley, Warrington, WA3 6BH | +44 800 1588400 | nationalsolarservices.org.uk | | |
| 29723 | United Kingdom | NW Building Services and Maintenance | 10 Great Russell Street, London WC1B 3BQ | +44 20 71013592 | www.nwbsm.co.uk | | |
| 29724 | United Kingdom | NWP Electrical & Mechanical Ltd. | Engineer House, Llys Edmund Prys, St Asaph Business Park, Denbighshire LL17 0JA | +44 1745 351351 | www.nwp-ltd.com | | Canadian Solar Inc., Sharp Energy Solutions Europe, LG Electronics, Inc. |
| 29725 | United Kingdom | NWR Ltd | Innovation House, Discovery Park, Sandwich, Kent CT13 9ND | +44 800 0355532 | www.nwrltd.com | | |
| 29726 | United Kingdom | NWT Solar | Unit 28, More House Farm, Ditchling Road, Wivelsfield, West Sussex, RH17 7RE | +44 1444 470018 | www.nwtsolar.co.uk | REC Group, SunPower Corp., China Sunergy (Nanjing) Co., Ltd., AU Optronics Corporation | SMA Solar Technology AG, ABB Italy S.p.A., SolarEdge Technologies, Ltd. |
| 29727 | United Kingdom | NZ Eco Electric Ltd. | 14 Kirk Rise, Frosterley, County Durham, DL13 2SF | +44 1388 526 522 | www.nzeco.co.uk | | |
| 29728 | United Kingdom | O.S Electrical | 58 Trelawney Avenue St. Ives Cornwall TR26 1AS | +44 1736 797417 | https://www.oselectrical.co.uk | | |
| 29729 | United Kingdom | O'Connor Electrical Ltd. | Badger Farm Business Park, Willowpit Lane, Hilton, Derbyshire DE65 5FN | +44 1283 515222 | www.oconnorelectrical.co.uk | | |
| 29730 | United Kingdom | O&H Electrical Ltd. | 105 Barton Hill Rd., Torquay, Devon, TQ2 8JA | +44 1803 313562 | https://www.ohelectrical.co.uk | | |