1. #N/A 0
2. A.W. Jenkinson Forest Products 1960
3. Abundance Investment 2009
4. Academy of Robotics 1
5. Aceleron 2016
6. ACE Winches 1992
7. Adgero 2017
8. Aggreko 1962
9. AGRIVI 18
10. AgroCognitive 2020
11. Agrolabs 1
12. AgsenZe 2016
13. Air Control Entech 2016
14. AirPublic 2015
15. airTEXT
16. Albotherm 2020
17. Alkane Energy 1994
18. ALP Technologies 2015
19. Amber Energy 2009
20. Andersen EV 2015
21. Animal Alternative Technologies 2020
22. Antaco 2011
23. Aqsorption
24. ARC Marine 2015
25. Arloid Automation 4
26. Arnold White Group
27. ARROE 2016
28. Azuri Technologies 2012
29. B&M Waste Services 1954
30. Balfour Beatty 1909
31. Banks Group 1976
32. BBOXX 2010
33. Belltown Power 2013
34. Be Nosy 2020
35. Better Dairy 1
36. BIG Atom 2017
37. BigSis 2017
38. bio-bean 2012
39. Biomicrogels Group 2015
40. BirdsEyeView 2019
41. Blue Ocean Seismic Services 2019
42. Bonnet 2019
43. Boxergy
44. Bramble Energy 2016
45. Breathe Battery Technologies 2019
46. Breathe Tech 2017
47. Bristol Waste 2017
48. BuffaloGrid 2011
49. Bulb 2014
50. Bx Technologies 2020
51. Bywaters 1952
52. CageCapture 2019
53. Caldera 2017
54. Cambridge Clean Energy Ltd. 2014
55. Cambridge Energy Partners 2015
56. CarbonAnalytics by Prognostic 2016
57. Carbon Gold 2007
58. Carnot 1
59. Carverter 2018
60. Carwood 1966
61. Casella 1799
62. Cavendish Nuclear
63. CCell 2015
64. Celtic Renewables 2011
65. Central Plains Group 2019
66. Chitendai 2017
67. Climate X 2020
68. Co-wheels Car Club 2008
69. Concept Dairy 23
70. Connected Energy 2010
71. ContourGlobal 2005
72. Contract Natural Gas 1994
73. CORE POWER (UK) Ltd 2018
74. Cquestr8 2020
75. CropDesk Technologies 2017
76. Crop Performance 2009
77. Crover 17
78. Cumbria Waste Group
79. Cyclopic 2018
80. Danu Robotics 1
81. Dearman technologies 2011
82. Deep Branch Biotechnology 2018
83. Diode 2019
84. Diverse Energy 2001
85. DryGro 2015
86. Dulas 1982
87. Dynamo Taxi 2016
88. E-Nano 17
89. E24 2011
90. Earthmill 2008
91. EarthSense 1
92. Eatron Technologies 2017
93. EC-OG 2013
94. Echion Technologies 2017
95. Eco 2 Solar 2007
96. Eco Charger 2013
97. Ecometrica 2008
98. EcoNomad Solutions 2018
99. Ecotricity 1995
100. EDF Energy 1990
101. Electric Miles 17
102. Electrogenic 2018
103. Electron 2015
104. eleXsys Energy 2012
105. ELGA LabWater 1937
106. Elmtronics 2014
107. Emitwise 1
108. Enian 2015
109. Entocycle 2014
110. Envirogen Group 2009
111. Envitec Biogas 2002
112. EO Charging 2015
113. Epic Impact 2017
114. ETA GREEN POWER LTD 2019
115. ev.energy 2018
116. EvoEnergy 2007
117. Extreme E 2019
118. Feedwater 1976
119. Ferroli Limited 1955
120. First Light Fusion 2011
121. First Mile 2004
122. Flowline 1991
123. Frontrow Energy Technology 2013
124. Ginger 2011
125. GLID Wind Farms
126. Globeleq 2001
127. GME Industry 2012
128. Gradko International 1972
129. Gravitricity 2011
130. Green Energy Options 2006
131. Greener 2019
132. Greengage Lighting 2008
133. Green Hedge 2010
134. GreenZone 2009
135. Greyparrot 4
136. GRS Roadstone 2016
137. Grundon Waste Management 1929
138. H2GO Power 2014
139. Haven Power 2006
140. Hectare Agritech 2016
141. HIVED 2020
142. Hoban Waste Management 2012
143. HumanForest 2020
144. Hurricane Energy 2005
145. Hydro Wind Energy 2018
146. Hypervolt 2018
147. Iceni Labs 12
148. Iduna
149. Impact Recycling 2014
150. Indra Renewable Technologies 2013
151. Inflowmatix 2015
152. Inhabit 2019
153. InstaVolt 2016
154. Intelligent Energy 2001
155. Intellitect Water Holdings 2005
156. Interface Polymers 2016
157. iPURtech 2010
158. ITM Power 2001
159. J & B Recycling 1997
160. Jay-Be 2008
161. J G Pears 1972
162. John Wood Group 1971
163. Keenan Recycling 2003
164. Kensa Group 1999
165. LAT Water 2018
166. Lekela Power 2015
167. Leopard Technology 2019
168. LettUs Grow 2015
169. Levenseat 1986
170. Levistor 2021
171. Light Science Technologies 2019
172. Lightsource Renewable Energy 2010
173. LondonEnergy 1994
174. London Town Group of Companies 1988
175. Low Sulphur Fuels 2018
176. MacRebur 2016
177. Maeving 2019
178. Magway 2017
179. Marine Power Systems 2008
180. Mass Megawatts Wind Power 1997
181. Matter. 2018
182. Mina.energy 2019
183. Mocean Energy 2015
184. Modularity Grid 31
185. MOF Technologies 2012
186. Monodraught 1974
187. MTS Cleansing Services 1986
188. Multus Media 2019
189. Mytrah Energy 2009
190. National Energy Foundation
191. Natural World Products
192. Navetas Energy Management 2008
193. Nedra 2015
194. Nexyst360 2016
195. NGenTec 2009
196. Nosh Technologies 3
197. Notpla 41845
198. Nova Innovation 2010
199. Nova Pangaea Technologies (NPT) 2009
200. Nuclear Transport Solutions 2021
201. Nyobolt 2020
202. Octopus Energy 42278
203. Offshore Design Engineering Ltd 1978
204. Olleco 2006
205. ONE MOTO 2016
206. Onto 2017
207. Oomph EV 2019
208. Optimiz 2018
209. Orbital Marine Power 2002
210. Orsis 2006
211. Orthios Group 2016
212. Outfield 1
213. OVO Energy 39814
214. OX 2013
215. OXTO Energy 2016
216. O’Donovan 1959
217. Pallite 2008
218. Paper Round 1988
219. Pastoral 2019
220. Pavegen 2009
221. Pawprint 2019
222. PBD Biotech 2014
223. Penso Power 2017
224. People's Energy 2017
225. Perceptual Robotics 2016
226. Petalite 2014
227. Phytoform Labs 2017
228. Phytoponics 2016
229. Plas Recycle 2010
230. Plastic Energy 2011
231. Polymateria 2016
232. Poseidon Plastics 2018
233. Powerday 1977
234. Power On Connections 2003
235. Power Transition 2018
236. Premier Tech Water and Environment
237. Pro Enviro 1994
238. Project Etopia 2014
239. Prolectric Services 1985
240. Propelair 2001
241. Protium Green Solutions 2019
242. Quimera Energy Efficiency 2015
243. Reactive Technologies 2015
244. Reclyc8 2019
245. Recresco 1978
246. Recyclan 2018
247. Recycling Technologies 2011
248. RED Industries 2005
249. Renewable Energy Systems 1982
250. ReNew ELP 2016
251. Resilience Energy Technology 2018
252. Ripple Energy 2017
253. RiverRidge Rethinking Resources 2001
254. Rivertrace Limited 1983
255. Rockar 2011
256. RootWave 2012
257. Roslin Technologies 1
258. Rovco 2016
259. RWM Exhibition
260. S.Walsh & Sons 1972
261. SageTech 2015
262. SARIA 1926
263. Satellite Vu 2016
264. Scindo 2020
265. SEaB Energy 2018
266. Seajacks 2006
267. Seamach Energy 2010
268. Segen 2005
269. Shell Energy Retail 2008
270. Simdean Envirotec
271. So Energy 2015
272. Solaris Offgrid 2014
273. SortFlow 2019
274. South Hook LNG Terminal Company Ltd.
275. SSE Renewables 2010
276. Stuffstr 2014
277. Sunamp 2006
278. Sundrop Farms 2014
279. Sunstone IP Systems 2011
280. Sunswap 2020
281. Supercritical 2021
282. Sustainable Drainage Systems 2002
283. Tamar Energy 2011
284. Tepeo 2018
285. Terberg Rosroca 2016
286. Terrabotics 1
287. Tevva 2012
288. Textile Recycling International Limited
289. The James Hutton Institute 2011
290. The Small Robot Company 1
291. The Walters Group 1982
292. The Woodland Trust 1972
293. Together Energy
294. Tokamak Energy 2009
295. Total Recycling Services 2010
296. Triton Knoll 2003
297. TRL 1933
298. Trojan Energy 2016
299. U-Earth 2018
300. Unibio International 2014
301. UrbanChain 15
302. Validair Monitoring Solutions 2000
303. Veolia UK 1853
304. VoltShare 2019
305. Walnut Technology 2015
306. WATR 2017
307. Wayve 1
308. Wefarm 29
309. WeVee 2019
310. Wheyhey 2012
311. Witt Energy 2013
312. World Kinect Energy Services 2016
313. Worn Again 2005
314. XeroE 2018
315. Xeros 2006
316. Yayzy 2019
317. ZapGo 2013
318. Zedify 2015
319. Zeigo 2018
320. Zenobe Energy 2017
321. Zero Carbon Farms 1
322. Zero Carbon Humber 2019
323. Zest Eco 2021
324. Zoom EV 2018
325. ZPN Energy 2015