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1. Saitobaru Archaeological Museum, Miyazaki, Japan
2. United States Forest Service, Louisiana
3. Nara National Research Institute FOR Cultural Properties, Nara, Japan
4. National Park Service, Nebraska
5. CNR National Laboratories, Italy
6. National Institute for Cultural Properties, Korea
7. University of Mississippi, Dept of Anthropology
8. University of Georgia, Dept of Geology/Geophysics
9. University of Alabama , Moundville
10. Tenri University, Japan
11. Spectrum Geophysics, California
12. Radar Solutions International, Massachusettes
13. Earth Measurement Corporation, Houston
14. Cal State University Long Beach, Dept of Anthropology
15. The Lamar Institute, Georgia
16. SOT Prospeccio Arqueologica, Barcelona, Spain
17. Fiske Center for Archaeological Research, University of Massachusettes
18. GEOVision Geophysical Services, California
19. United States Army Corps of Engineers, Vicksburg MS
20. ASM Affiliates, Carlsbad CA
21. Brockington & Associates, South Carolina
22. INSET s.r.o., Czech Republic
23. Confederated Tribes of the Umatilla Indian Reservation, Oregon
24. Dept of Geology, Wofford College, South Carolina
25. Seminole Tribe OF Florida
26. Archaeo-Geophysical Association, Pheonix, Arizona
27. Posselt & Zickgraf Prospektionen, Germany
28. Department of Antiquities, Baden-Wurttemberg, Germany
29. Dept of Geology, Southern Illinois University
30. Radarteam, Sweden
31. Universidad Politécnica de Cataluña, Barcelona, Spain
32. Geophysics and Geology Branch, California Dept of Tranportation
33. Museum of Anthropology, University of Kentucky
34. Department of Archaeology, Anthropology & Forensic Science, Bournemouth, Univeristy, UK
35. Dept of Geology and Geophysics, University of Massachusetts
36. The Leon Recanati Maritime Institute, University of Haifa, Israel
37. Naeva Geophysics Inc., Charlottesville, Virginia
38. Anthropology Department, Indiana University of Pennsylvania
39. Rettew Associates, Lancaster, Pennsylvania
40. School of Humanities, University of South Hampton, UK
41. Center for Near Surface Geophysics & Archaeological Prospection, Dokuz Eylul Univ. Turkey
42. Responsible Development, MDS, Paris
43. Historic Preservation Dept, Choctaw Nation of Oklahoma
44. Panamerican Consultants, Georgia
45. ON-Site GPR, Sacramento
46. Idaho National Laboratory, Idaho Falls
47. Southeastern Archaeological Research Inc, Jonesville, Florida
48. Munin spf., Faroe Islands
49. Open Ground, South Africa
50. GeoStudi, Livorno, Italy
51. Copernico, S.r.l., Montalcino, Siena, Italy
52. Archaeology Dept., University of Science and Technology, Trondheim, Norway
53. Geophysics Unit, Orkney College, Scotland
54. CAI Archaeometry and Analysis, University Complutense of Madrid, Spain
55. GeoRadar Co., Ltd., Korea
56. Laboratoire Central des Ponts et Chaussées, France
57. Heritage Preservation and Interpretation Inc., Steamburg, NEW York
58. Energy AND Environment Research Laboratory, ITRI, Taiwan
59. VISTA Centre, Birmingham Archaeology, University OF Birmingham, UK
60. Tecno Terra, Jalisco, Mexico
61. School OF Geography and Earth Sciences, McMaster University, Canada
62. Wood Inspection Services, Texas
63. OYO Corporation, Japan
64. Poyry Infra GmbH, Austria
65. Earth Science AND Resource Engineering, CSIRO, Australia
66. Wessex Archaeology, UK
67. Alliance FOR Integrated Spatial Technologies, University OF South FloridaPM
68. Maverick Inspection, Canada
69. Subtronic Corporation, Martinez, California
70. University Konstatina Filozofa, Slovakia
71. TerraDat Ltd, United Kingdom
72. Cultural Resource Analysts Inc., Lexington, Kentucky
73. The Chickasaw Nation, Oklahoma
74. Central Florida Locators, Bushnell, Florida
75. School of Social Studies, University of Queensland, Australia
76. Adapis Georadar Teknik AB, Sweden
77. Echo GPR Services, Paola, Kansas
78. Stratascan Ltd., Worcestershire, UK
79. Ithaca College Physics, NEW York
80. Korea Institute OF Geological Environments, Gyeonggi-DO, Korea
81. University of Pisa, Italy
82. University of Bologna, Italy
83. Geotec Engineering AND Environmental Geophysics Ltd, Israel
84. Southeast Archaeological Center, National Park Service, Florida
85. Kenaitze Indian Tribe, Alaska
86. Geoscanners AB, Sweden
87. Geoscience Consulting LLC, Montgomery, Alabama
88. Dept of Geology AND Environmental Sciences, College of Charleston, SC
89. Geometrik Muhendislik, Turkey
90. Dept of Civill Engineering, The University OF Hong Kong
91. Rose Geophysical Consultants, Orkney, UK
92. Dept of Geoinfomatics, The Hong Kong Polytechnic University
93. Dept of Soil and Crop Sciences, Texas A&M University
94. Dutch National Police Agency KLPD, Netherlands
95. Geozone Asesores S.L., Valencia, Spain
96. Structure SCAN, Observatory, South Africa
97. Dept OF Earth and Environmental Sciences, Temple University
98. GEARH d.o.o., Slovenia
99. Analyse Geophysique Conseil , France
100. Ingenieurgesellschaft PTM Dortmund mbH, Germany
101. WSP Civils, Sweden
102. Murphy Survey Ltd., Ireland
103. Dept of Anthropology, California STATE University Dominguez Hills
104. Igienieria Insitu, s.l., A Coruna, Spain
105. Dept of Anthropology, University of Georgia, Athens
106. Dept of Geosciences, East Tennessee University
107. Dept of Anthropology, University of Northern Colorado
108. Nakano Technology Co., Ltd., Saitama, Japan
109. Dudek AND Associates, Encinitas, California
110. TAG Research by Sturm Inc, NEW Mexico
111. Bronx Community College, CUNY, NEW York
112. Dept of Anthropology, Washington University of St Louis, Missouri
113. Pegasus Environmental, NEW York
114. Dept of Archaeology, Waseda University, Japan
115. Geoscan, Canada
116. Dept of Geography and Earth Science, Shippensburg University, Pennsylvania
117. RPS Group, Queensland, Australia
118. SC Gauss SRL, Romania
119. United States Army Corps OF Engineers, Omaha, Nebraska
120. Sakurakoji Denki, Osaka, Japan
121. Dept of Archaeology, La Trobe University, Melbourne, Australia
122. Parsons Overseas (P) Limited, India
123. National Forensic Service, Korea
124. Center for Advanced Spatial Technologies, University of Arkansas
125. Daeil Enc, Korea
126. Murphy Surveys, United Kingdom
127. Edenbros LLS, Saint James, Missouri
128. Golder Associates Pty Ltd, Australia
129. GPR Pro, UK
130. Dept of Civil Engineering, Chung Hua University, Taipei, Taiwan
131. Reveal Infrastructure, NEW Zealand
132. Dept of Geosciences, Mansfield University, Pennsylvania
133. Target Geophysics, Belgium
134. Mercian Archaeological Services CIC, Nottingham, United Kingdom
135. Korea Polar Research Institute
136. Sambo GeoTek, Korea
137. Coastal Environments Inc., NEW Orleans, Lousisiana
138. Draig Geoscience, Perth, Australia
139. Fort Bend County Historical Commission, Texas
140. Public Works Research Institute, Ibaraki, Japan
141. Bureau of Cultural Heritage, Ministry OF Culture, Taiwan
142. Piotr Wroniecki, Warsaw, Poland
143. Dept of Engineering, National Chiao Tung University, Taiwan
144. Atlas Geophysical, United Kingdom
145. GHD, Hobart Tasmania, Australia
146. Terra Marine, Greece
147. Geomecca, Korea
148. Logan Simpson Inc., Tempe, Arizona
149. RADAR Geoservizi s.a.s., Torino, Italy
150. United States Army Corps of Engineers, Sacramentro, California
151. DB International GmbH, Bremen, Germany
152. GHD, Perth, Australia
153. Geoprospect S.A. DE, C.V., Nuevo Leon, Mexico
154. ROUND Rock Geophysics, Austin, Texas
155. Michalis Poultsidis, Larisa, Greece
156. ScanPlus Locating Ltd, Sooke, BC, Canada
157. French National Institute for Preventive Archaeology - INRAP
158. School of Science AND Technology, University of Camerino, Italy
159. Glen Dash Foundation for Archaeological Research
160. National Geographic Society, Washington D.C.
161. ATS International Inc., Christiansburg, Virginia
162. Nordic Volcanology Center, Institute of Earth Sciences, University OF Iceland
163. Sumet Yerbilimeri Ltd., Izmir, Turkey
164. ESG Infrastructure Services, United Kingdom
165. National Park Service, Lowell, Massachusetts
166. Dept of Anthropology, Texas STATE University
167. Center for Northeast Asian Studies, Tohoku University, Sendai, Japan
168. Geomaster Corporation, Quezon City, Philippines
169. David Charles Nobes, NEW Zealand
170. School of Arts and Communication, University of Southern Queensland, Australia
171. Electronics and Telecommunications Research Institute, Korea
172. EGS (Asia) Limited, Hong Kong
173. G. I. Engineering Co., Ltd., Korea
174. Department of Archaeology, Flinders University, Adelaide, Australia
175. Serramur & Asociates, PC, Boone, North Carolina
176. Proceq, Switzerland
177. Dept of Earth Sciences, University of Florence, Italy
178. ScanTech Geoscience, Ireland
179. Dept of Earth Sciences, University OF Memphis, Tennessee
180. Soft Options, NEW Zealand
181. Gyula Forster National Centre FOR Cultural Heritage Management, Hungary
182. Sum Kee Construction Limited, Hong Kong
183. Peter Lanzarone
184. Anomali Jeoteknik Muhendislik Hizm Ltd, Turkey
185. GeoPat, France
186. BHP Billiton, Canada
187. Geoside Geofisica snc, Italy
188. Higashi Nippon International University, Japan
189. Institute of Archaeology, Monuments & Art History, University of Bamberg, Germany
190. Impulse Radar, Sweden
191. Institute of Archaeology, University College London
192. Stadt Essen, Amt duer Geoinformation, Germany
193. Sherpa ENC co., ltd., Korea
194. Gel Geophysics, Charleston, South Carolina
195. Terracon, Oklahoma City, OK
196. Umut Basoglu, Turkey
197. Dept of Geography AND Anthropology, University of Wisconsin - Eau Claire
198. Estudios Geofisico de Occidente, Mexico
199. CDM Smith Consult GmbH, Stuttgart, Germany
200. Newcrest Mining, Papau NEW Guinea
201. Dept of Archeology, University of Southampton
202. BE Surveys, Greenfields, Western Australia
203. Concrete GPR LLC, Albany, Oregon
204. Florida Geological Survey, Tallahassee, Florida
205. Earth Dynamics LLC, Portland, Oregon
206. Horsley Archaeological Prospection LLC, Dekalb, Illinois
207. Utility Mapping Services Inc, Helena, Montana
208. Tennessee Valley Archaeological Research, Huntsville, Alabama
209. Southern Geophysical Ltd, Christchurch, NEW Zealand
210. Dianex, France
211. Dept of Geosciences, Austin Peay STATE University, Tennessee
212. Bess Test Lab, Fresno, California
213. Reticulated Python Construction Inc, Ontario, Canada
214. Dept of Historical Studies, Gothenburg University, Sweden
215. National Institute of Water AND Atmospheric Research, NIWA, NEW Zealand
216. Earthscan Geoscience Ltd, British Columbia, Canada
217. Ancient History and Archaeology, University of Leicester, United Kingdom
218. GeoWave Solutions, Cumming, Georgia
219. Scadin Surveys Ltd, Belfast, Northern Ireland
220. GeoRADAR NRW GmbH, Germany
221. SismoTerra, Spain
222. Dept of Civil Engineering, Unversity of Texas AT Arlington
223. Historic Environment Scotland, United Kingdom
224. Ayed Eid Al Osaimi Geotechnic Co., Saudi Arabia
225. Metopolitan Police, United Kingdom
226. Busan Metropolitan City, Korea
227. Civil Engineering, University of Ositek, Croatia
228. School of Archaeology, University of Oxford, United Kingdom
229. George Washington Birthplace National Monument, NPS, Fredericksburg, Virginia
230. Dept of Antrhopology CRAG, Colorado STATE University, Ft Collins
231. Kozo Keikaku Engineering Inc, Tokyo, Japan
232. 3DSoil, Belgium
233. Corporacion Ambiental de Mexico, S.A. de C.V.
234. Chien Hsin University of Science AND Technology, Taiwan
235. State Geological Survey, University of Illinois, Champaign
236. Dept of Minerals and Mining Engineering, Virginia Tech
237. Dept of Anthropology, University of South Florida
238. Cemetery Coordinator, Oklahoma
239. Envirolift, Canada
240. Instituto Politecnico Nacional, Mexico
241. Golder Associates, Colorado
242. Roads and Maritime Services, New South Wales Government, Australia
243. Civil and Environmental Enginneering Dept, Strathclyde University, Scotland
244. Municipality of Essen, Germany
245. WSP Canada Inc, Calgary
246. Paradigm Consultants Inc, Houston, Texas
247. Instituto Colombiano de Antropologia e Historia, ICANH, Bogota
248. Graph'it Studio, Warsaw, Poland
249. United States Geological Survey, Reston, Virginia
250. United Nations Development Program - Damascus, Syria
251. Brian Whiting, PhD LEG, Seattle, Washington
252. RMBaker LLC, Orlando, Florida
253. Dept of Natural Resources, Washington STATE
254. Dept of Earth Sciences, The Hebrew University, Israel
255. Maek Consulting PTE LTD, Singapore
256. Delta Marking BV, Netherlands
257. GeoSense, Bogota, Colombia
258. Masarykova Univerzita, Czech Republic
259. Foshan University, China
260. Opdida SL, Spain
261. Florida Bureau of Archaeological Research, Tallahassee
262. Soil Testing Siam Co Ltd., Bangkok, Thailand
263. John Wood Group PLC, British Columbia, Canada 
264. GeoView Inc, Florida
265. Faculty of Engineering, University of J. J. Stotamayer, Croatia
266. Fred W. Birmingham, Jackson, TN
267. Diamond Concrete Sawing, Michigan
268. Technics Group, Guildfor, United Kingdom
269. Ingenieria Agustin Omar Jaque La, Chile
270. Texas Cemetery Restoration, Dallas
271. Geosurveys, Angola, Africa
272. DSTL, UK
273. AF Consult, Sweden
274. Byram Archaeological Consulting, LLC, California
275. Department of Geology, University of Peshawar, Pakistan
276. SIA Smart Engineering, Latvia
277. Birlik Build, Izmir, Turkey
278. American Geotech Inc, Wyomissing, Pennsylvania
279. American Engineering, USA
280. Aero 360 Solutions, Manila, Philippines
281. Alpha Geosurvey Ltd, Aberdeen, United Kingdom
282. Astellog, France
283. Universidade Federal Rio Grande do Norte, Brazil
284. Department of Geosciences, University of Massachusetts, Amherst

continuous subscribers since 2019