COUNTIES · CHAMBERS · OPERATORS

Chambers County Operators

Every operator with a permit on file or a well of record here, ranked by permits issued in the window. Wells are each operator's current inventory in the county from the RRC wellbore file.

#OperatorPermitsAll timeHorizontalWellsFirstLast
1Exxon Corp.8108101285Jun 6, 1977Nov 2, 1999
2Sun Expl. & Prod. Co.-Lafayette107107034Jun 29, 1979Apr 11, 1988
3Oryx Energy Company106106012Jun 21, 1989Feb 10, 1999
4Denbury Onshore, LLC1041040146Mar 13, 2008Jun 16, 2022
5Linc Gulf Coast Petroleum, Inc.100100233Aug 9, 2010Dec 22, 2015
6Vintage Petroleum, Inc.575706Oct 19, 1992Sep 10, 2003
7Sun Exploration & Production Co.4848063Jul 12, 1977Apr 20, 1989
8Kerr-McGee Oil & Gas Onshore LLC4848027Oct 21, 1999Feb 10, 2006
9Erg Resources, L.L.C.474702Dec 19, 2006Oct 7, 2011
10Warren Petroleum Company454503Jul 6, 1977Mar 15, 1996
11Davis Petroleum Corp.4343014Mar 8, 2000Nov 12, 2012
12Houston Oil & Minerals Corp.3535023Jul 20, 1977Jun 14, 1989
13Sun Expl. & Prod. Co.-Houston313104Jun 7, 1979Jun 6, 1983
14Enterprise Products Co.272700Jul 6, 1978Oct 9, 2000
15Viking Petroleum, Inc.252500Jun 23, 1981Feb 15, 1984
16Arco Oil & Gas Co.242400May 2, 1980Oct 30, 1987
17Masters Oil & Gas, LLC2222012Aug 5, 2003Oct 16, 2006
18Puls, W. L.222206Sep 13, 1978Jun 14, 2002
19Transtexas Gas Corporation222202Oct 17, 1996Apr 6, 2005
20Prudential Drilling Company2121022Jul 20, 1977Jul 26, 1983
21Solatex Resources, Ltd212107Oct 19, 1987Apr 15, 1994
22Samson Exploration, LLC202002May 29, 2013Nov 18, 2015
23Houston Oil Fields Co.202000Aug 11, 1983May 27, 1986
24Targa Downstream LLC1919062May 16, 2012May 16, 2025
25Texas Petroleum Investment Co.1818040Oct 21, 2003May 15, 2012
26Texaco Inc.1818028Jun 6, 1977Nov 5, 1987
27Hamman Oil & Refg. Co.1818010Dec 28, 1979Aug 26, 1998
28Getty Oil Co.181805Oct 3, 1977Jul 26, 1984
29Rutherford Oil Corporation151503Aug 2, 1993Oct 21, 2011
30Cummins & Walker Oil Co., Inc.151501Jan 5, 1978Jun 11, 1985
31Genesis Petroleum Corporation151500Mar 19, 1982Dec 3, 1986
32Lone Star NGL Mont Belvieu LP1414018Oct 10, 2011Aug 4, 2021
33Sanchez-O'Brien Oil & Gas Corp.141405Nov 17, 1981Oct 31, 1995
34Yuma E & P Company, Inc.141405Dec 21, 2001Jun 25, 2008
35L & L Oper,inc./Viking Pet,inc.141401Dec 31, 1980Feb 24, 1982
36Sierra Production Co.141401Oct 21, 1977May 15, 1986
37Houston Domestic Oil Company141400Jul 27, 1977Jan 27, 1983
38McGowan, John W.141400Jun 13, 1989Jun 28, 1991
39Chevron U. S. A. Inc.131303Aug 31, 1977May 24, 1988
40Eads Operating Co.131301Nov 15, 1982Jan 13, 1986
41Clover Energy Corporation131300Sep 26, 1977Sep 24, 1981
42E-Tex Oil Co.131300Mar 16, 1984Feb 5, 1986
43Amoco Production Company1212016Sep 19, 1977Nov 18, 1985
44Cauble Enterprises121204Aug 8, 1977Dec 6, 1983
45American Petrofina Co. of Tex.121203Jul 5, 1977Nov 29, 1984
46MGF Oil Corporation121203Sep 26, 1978Jun 30, 1982
47Goldking Prod. Co.121201Aug 9, 1978Dec 29, 1997
48Chambliss, Grover C., Jr.1111013Dec 2, 1977Jul 5, 1983
49Aspect Resources LLC111102Mar 30, 1999Feb 7, 2001
50Diamex Co.111102Sep 17, 1979Jan 18, 1982
51Fina Oil & Chemical Company111102Aug 26, 1985Apr 29, 1994
52Daniel Oil Co.111101Jun 20, 1977May 20, 1981
53Plains Resources Inc.111101Aug 20, 1987May 9, 1990
54Azimuth Energy, LLC111100May 8, 2003Jan 20, 2006
55HS Resources, Inc.111100Aug 9, 1996Dec 6, 2000
56Texas City Refg. Inc.1010018Jun 22, 1977Apr 25, 1984
57Energy Reserves Group, L.L.C.101007Jul 19, 2000Oct 18, 2006
58Middleton Oil Company101005Aug 9, 1980Nov 29, 1993
59Texas Oil & Gas Corp.101004Jun 12, 1978Aug 18, 1981
60Ballard Exploration Company,inc.101001Feb 14, 1984Sep 29, 2011
61Hanson Minerals Co.101001Sep 30, 1983May 21, 1993
62Lapis Operating, Inc.101000Jul 15, 2005Jul 2, 2012
63Wainoco Oil & Gas Company101000Jul 31, 1978May 13, 1991
64TXO Production Corp.9907Nov 20, 1981Nov 6, 1987
65Maralo, Inc.9906Oct 16, 1981Dec 23, 1985
66Masters Resources, L.L.C.9904May 21, 2001Oct 4, 2004
67Watson Oil Corporation9903Jun 15, 1977Mar 9, 1981
68Crest Resources & Expl. Corp.9902Oct 4, 1977Oct 17, 1985
69Pierce Petroleum9902Feb 18, 1986Jul 3, 1990
70Texas Crude, Inc.9902Oct 31, 1977Sep 1, 1981
71Apb Oil Corporation9901Sep 20, 1991Aug 31, 1995
72Placid Oil Company9901Jun 13, 1977Jun 23, 1981
73American Coastal Energy, Inc.9900Jun 30, 1998May 13, 2004
74C & E Operating, Inc.8805Jan 6, 2012Dec 5, 2022
75Damson Oil Corp.8805Mar 30, 1979Nov 8, 1983
76Prairie Producing Company8802Aug 12, 1977Dec 14, 1982
77Ranger Oil Company8802Nov 7, 1977Jan 29, 1981
78Fairways Exploration & Prod, LLC8801Dec 17, 2010Oct 10, 2016
79French Production Incorporated8801Nov 28, 1990Mar 15, 1994
80Amax Petroleum Corporation8800Feb 20, 1981Dec 31, 1982
81Felmont Oil Corp.8800Oct 18, 1982May 8, 1985
82Gulf Oil Corp.8800Jul 25, 1977Jul 30, 1985
83Harrison, Dan J. Iii&bruce F.8800Sep 6, 1988Jan 26, 2000
84Steele, Barney8800Mar 6, 1980Feb 6, 1984
85Tenneco Oil Co.8800Dec 1, 1977Jul 22, 1980
86Texas Brine Company Baytown, LLC8800Aug 8, 1997Feb 25, 2005
87Oneok Hydrocarbon Southwest, LLC77017Sep 5, 2013Sep 17, 2025
88Hilcorp Energy Company77015Mar 27, 2017Jun 24, 2020
89Exxon Mobil Corporation7702Oct 7, 1999Aug 21, 2001
90Louisiana Land & Expl. Co., The7702Apr 17, 1981Jul 29, 1987
91Cox Resources Corp.7700Sep 6, 1995Apr 7, 1999
92Joyce & Hilty, Inc.7700Jan 9, 1978Mar 30, 1981
93Penford, Inc.7700Mar 9, 1982Nov 27, 1984
94Wacker Oil Inc.7700Mar 8, 1989Mar 19, 1991
95Walter Oil & Gas Corporation7700Aug 10, 1982Sep 30, 2002
96Torrent Oil LLC66057Mar 15, 2017Jun 23, 2022
97Papco, Inc.66045Feb 18, 1999Oct 10, 2001
98Poynor Corporation66010Mar 12, 1980Aug 25, 1988
99Cabot Oil & Gas Corporation6603Feb 21, 1997Jun 30, 1999
100Elliott Oil & Gas Operating Co.6603Nov 3, 2006Jan 17, 2014
101New Century Exploration, Inc.6603Aug 23, 2001Jan 16, 2008
102Harrison Interests, Ltd.6602Sep 12, 1980Oct 24, 1984
103Goldston Oil Corporation6601Sep 12, 2002Jul 24, 2014
104Swift Energy Company6601Jun 18, 1991Aug 18, 1994
105Tascocita Energy Co.6601Oct 16, 1980Dec 1, 1981
106Tempest Energy Resources, LP6601Jan 21, 2005Sep 9, 2011
107BRC Petroleum Inc.6600Aug 9, 1982Sep 16, 1983
108Brineco Disposal Tech, LLC6600Dec 2, 2009Apr 22, 2016
109Headington Oil Company6600Jul 28, 1993Sep 3, 1997
110Paragon Resources, Inc.6600Apr 4, 1980Dec 9, 1980
111American Exploration Company55010Apr 28, 1991Jun 17, 1992
112Continental Oil Company5509Jan 23, 1978Nov 20, 1978
113Carrizo Oil & Gas, Inc.5506Feb 5, 2001Feb 3, 2004
114Fort Apache Energy, Inc.5505Feb 2, 2013Jul 23, 2019
115Trace Oil & Gas Company5505Jul 6, 1981Dec 23, 1982
116Union Texas Petroleum Corp.5505Apr 12, 1982Oct 29, 1984
117Noble Energy Inc5504May 21, 2002Mar 24, 2006
118Energy Development Corp.5503Aug 23, 1983May 1, 1991
119Texas Eastern Transmission Corp.5503Dec 4, 1980Apr 7, 1989
120Magnum Producing & Operating Co.5502Sep 29, 1992Oct 19, 2000
121Newfield Exploration Company5502Jun 19, 2003Nov 19, 2004
122Whitson, James A., Jr.5502Aug 22, 2005May 27, 2008
123Galveston Bay Energy, LLC5501Dec 19, 2003Apr 17, 2015
124Cabot Corp.5500Dec 5, 1979Apr 23, 1981
125Clements Energy, Inc.5500May 16, 1983Apr 15, 1987
126Diamond Shamrock Ref. & Mkt'g Co5510Apr 6, 1989May 15, 2001
127Pel-Tex-McMoran5500Aug 6, 1981Oct 26, 1984
128Galveston Bay Operating Co LLC440186Nov 2, 2017Oct 30, 2018
129Mont Belvieu Caverns, LLC44051May 30, 2011Feb 24, 2025
130Phillips Petroleum Company4404Mar 4, 1982Jul 18, 1990
131Apache Corporation4403Mar 22, 1996Jul 6, 2012
132Kerr-McGee Oil & Gas Onshore LP4403Dec 7, 2005Aug 25, 2006
133Conoco Inc.4402Jun 11, 1981May 22, 1990
134Royal Oil & Gas Corp.4402Jul 8, 1987Sep 19, 1990
135Caravelle Petroleum, Inc.4401Dec 21, 1989Jan 24, 1990
136Etoco, L.P.4401Aug 16, 2005Aug 26, 2009
137First Energy Corp. of Miss.4401Jan 20, 1988Mar 22, 1991
138Halbouty, Michel T. Energy Co.4401Jan 26, 1983Jul 31, 1985
139Houston Energy Operating, L.P.4401Dec 1, 2010Jul 21, 2016
140Martin Oil & Gas Co.4401May 15, 1978Oct 6, 1978
141Wagner, Duer & Co.4401Feb 10, 1995Nov 18, 1997
142Buchanan, Wayman W.4400Nov 19, 1984Nov 14, 1986
143Citation Oil & Gas Corp.4400Jun 27, 1984Dec 16, 1987
144Cities Service Company4400Apr 27, 1978Nov 3, 1981
145Cockrell Oil Corporation4400Jul 6, 1981May 11, 1984
146Enserch Exploration, Inc4400Aug 5, 1996Aug 19, 1997
147Intercoastal Operating Company4400Apr 5, 1979Dec 27, 1979
148K-B Exploration Co.4400Oct 24, 1979Nov 12, 1980
149Likover Oil Company4400Mar 18, 1993Oct 3, 1996
150McOr Oil & Gas Corporation4400Mar 1, 1985Dec 31, 1986
151Nicor Exploration Company4400Nov 10, 1988Dec 19, 1990
152Peninsula Exploration Company4400Aug 5, 1977Jul 17, 1978
153Petrus Operating Co., Inc.4400Apr 18, 1984Mar 27, 1986
154Sue-Ann Oil & Gas Company4400Mar 28, 1983Mar 11, 1988
155Terra Resources, Inc.4400Feb 5, 1982Sep 9, 1988
156Texstar North America, Inc.4400Apr 4, 1985Dec 30, 1988
157Torch Operating Company4400May 18, 1992Jul 7, 1992
158Xral Storage & Terminaling Co.4400Feb 26, 1979Jun 26, 1980
159Energy Transfer MT Belv Ngls LP33051Oct 17, 2022Jan 23, 2025
160EOG Resources, Inc.3309May 3, 2000Dec 5, 2003
161Pure Salt Baytown, LLC3306Sep 10, 2014Jan 31, 2019
162Kingwood Exploration LLC3305Jan 27, 2020Jul 11, 2022
163Prime Operating Company3305Jan 23, 2017Jan 8, 2021
164Realitos Energy Corp.3305Sep 13, 1978Feb 8, 1980
165Panaco, Inc.3303Nov 4, 1999Jul 27, 2001
166Pel-Tex Oil Company, Inc.3303Jun 8, 1978Jul 25, 1984
167Atlantic Richfield Co.3302Oct 13, 1977Aug 17, 1978
168Bagley, Roy3302May 4, 1998Sep 17, 1998
169Cox & Perkins Exploration, Inc.3302Sep 19, 1988Mar 15, 1990
170Forza Operating, LLC3302Aug 7, 2015Jan 14, 2021
171Mosbacher Energy Company3302Apr 15, 1986Feb 26, 1990
172Zachry Exploration, LLC3302Dec 27, 2022Jan 7, 2026
173Amerada Hess Corporation3301Nov 15, 1990Dec 19, 1994
174El Tres Exploration3301Dec 18, 1991Dec 14, 1993
175Hallwood Petroleum, Inc.3301Jun 22, 1999May 31, 2001
176Marlin Energy Southwest GP, LLC3301Sep 21, 2007Sep 3, 2010
177Northern Michigan Exp. Co.3301Dec 14, 1984Jun 29, 1987
178Bass Enterprises Production Co.3300Mar 14, 1984Oct 30, 1990
179Cico Oil & Gas Company3300Jun 14, 2018May 29, 2019
180Dallas Group, Inc., The3300May 4, 1984May 4, 1984
181Davis Oil Company3300Jul 23, 1979Jun 25, 1984
182Erg Operating Company, Inc.3300Jan 20, 2005Jan 20, 2005
183Erskine Energy, LLC3300Dec 28, 2005Apr 13, 2006
184Genesis Producing Company3300Jun 16, 2003Jun 23, 2006
185HNG Fossil Fuels Company3300Jan 28, 1982Dec 12, 1985
186Inexco Oil Company3300Mar 14, 1984Apr 17, 1984
187Integrated Energy Inc.3300Apr 12, 1982Feb 28, 1983
188Ladd Petroleum Corp.3300Jun 13, 1983Jan 5, 1984
189L. and L. Operators Inc.3300Sep 15, 1980Dec 31, 1980
190McCord Exploration Co.3300Aug 31, 1982Dec 9, 1988
191McGowan Working Partners3300Jul 16, 1991Feb 26, 1996
192Midpar L.P.3300Jun 29, 1994Aug 15, 1994
193Mitchell Energy Corporation3300Jan 14, 1998Dec 19, 2000
194Mosbacher Production Co.3300May 11, 1983May 29, 1985
195M & R Exploration Company3300Sep 30, 1991Oct 21, 1991
196Panaco Production Co3300Aug 15, 1997Oct 14, 1999
197Poynor, J. T., Trustee3300Nov 7, 1977Sep 5, 1978
198Reynolds, Rex3300Dec 9, 1980Apr 23, 1982
199Riner Exploration Corp.3300May 24, 1979Nov 18, 1980
200Sanchez Oil & Gas Corporation3300Nov 12, 1999Jun 18, 2012
201Santa FE Energy Oper. Part., LP3300May 28, 1987Dec 14, 1989
202Sheets, Martin3300Jun 21, 1999Dec 9, 1999
203Southland Royalty Company3300Jan 16, 1978Aug 22, 1979
204Termo Company, The3300Sep 3, 1982Apr 27, 1984
205Texas Brine Corporation3300Aug 8, 1997Aug 8, 1997
206Trinity Resources, Inc.3300Mar 11, 1983Jun 20, 1984
207Txpac Petroleum, Inc.3300Jun 18, 1984Nov 13, 1984
208Magnum Producing, LP22035Apr 9, 2004Mar 15, 2006
209S & S Energy22011Jul 23, 1990Jun 19, 1991
210S & S Operating Company, Inc.22010May 27, 1998Oct 18, 1999
211Exxonmobil Pipeline Company LLC2209Apr 15, 2024Jul 26, 2024
212Puls Operating Company2209May 25, 2006Jun 10, 2022
213Oil Well Buyers Corp.2208Oct 27, 1983Feb 26, 1985
214Bennett, Mills Estate2207May 30, 1979Dec 22, 1981
215J & L Partners2206Sep 14, 1988Jul 5, 1991
216Brown, al A.2205Feb 8, 1984Jul 8, 1987
217Cxy Energy Inc.2204Oct 26, 1990Sep 11, 1991
218Sue-Ann Production Company2203Feb 26, 1990Jun 6, 1990
219Bertman Drilling&producing Corp.2202Oct 19, 1979Dec 13, 1982
220Caskids Operating Company2202Feb 13, 1996Oct 23, 1997
221Lases Company, Inc.2202Oct 11, 2012Dec 13, 2013
222Buttes Resources Company2201Sep 16, 1977May 5, 1978
223Canyon Series Exploration, Inc.2201Oct 23, 1987Oct 4, 1989
224Chapman Oil2201Oct 26, 1979Dec 29, 1983
225Choice Exploration, Inc.2201Apr 1, 2008May 30, 2012
226Cimarex Energy Co.2201Apr 23, 2008Aug 2, 2008
227CNG Producing Company2201Apr 28, 1987May 7, 1998
228Dynamic of Texas, Inc.2201Oct 8, 1996Jan 28, 1998
229Gaither Petroleum Corporation2201Nov 20, 2008Dec 1, 2023
230Henderson, Peter Oil Co.2201Jul 1, 1977Sep 6, 1977
231Llox, L.L.C.2201Jun 16, 2017Jun 26, 2018
232National Offshore LP2201Mar 27, 2006Jan 18, 2007
233Pacific Enterprises Oil Co.(usa)2201Feb 9, 1990Jul 8, 1991
234Riseden, Ltd.2201Dec 9, 1983Jan 28, 1985
235St. Mary Energy Company2201Jun 16, 2004Sep 6, 2005
236Wintershall Oil and Gas Co.2201Mar 23, 1978Apr 26, 1979
237Acock Operating Limited2200Jan 20, 2010Nov 9, 2011
238Aikman Petroleum, Inc.2200Oct 2, 1979Oct 30, 1979
239American Coastal Energy Ltd.2200Jan 7, 1985Jul 17, 1986
240Andress Petroleum, Inc.2200Jun 22, 1982Oct 2, 1984
241Bayport Operating, Inc.2200Mar 6, 1987Sep 11, 1987
242Beem Oil & Gas Company2200Aug 8, 1986Apr 4, 1989
243Buchanan, Wayman W. Inc.2200Nov 28, 1983Aug 30, 1989
244Calpine Natural Gas L.P.2200Dec 3, 2004Jul 18, 2005
245Challenger Minerals Inc.2200Jun 5, 1996Jun 20, 1996
246Coastal Horizons, Inc.2200May 9, 1985May 9, 1985
247Daniels Corporation, The2200Sep 2, 1994Mar 10, 1998
248Davis Bros. Oil Producers, Inc.2200Nov 17, 1978Dec 12, 1980
249Diamond Operating, LLC2200Mar 3, 2009Sep 28, 2009
250Dow Chemical Co., The2200Nov 26, 1979Oct 15, 1981
251Eex Operating, L.P.2200Mar 28, 2002May 10, 2002
252Elliott Oil & Gas Company2200Sep 24, 1991Feb 3, 1992
253Enterprise Products Operating LP2200Feb 9, 2005Feb 9, 2005
254Equitx Energy Corp.2200Apr 12, 1984Dec 4, 1984
255Evans, G. C.2200Mar 4, 1986May 1, 1987
256Exxon Corp. - Houston2200Nov 15, 1982Nov 17, 1982
257Flow Energy Inc.2200Aug 31, 1990Nov 6, 1992
258Flynn Energy Corp.2200Jan 3, 1978Dec 31, 1982
259Forest Oil Corp.2200Jul 29, 1994Jul 29, 1994
260Fuller, Ancil T.2200Aug 17, 1982Mar 14, 1985
261Graham Royalty, Ltd.2200Oct 1, 1990Apr 29, 1993
262Hendrik's Holding USA Ltd.2200Nov 12, 1980Nov 3, 1981
263Hollis Oil Co.2200Sep 29, 1983Nov 22, 1985
264Integral Petroleum Corporation2200Sep 28, 1977Feb 22, 1978
265Jimbo, Inc. (I)2200Mar 13, 1987Jul 28, 1987
266JMC Resources Corp.2200Dec 29, 1986Mar 18, 1987
267Joyce & Hilty2200Dec 29, 1977Dec 29, 1977
268Kansas Oil & Gas Corporation2200May 9, 1991Apr 19, 1993
269Kenai Oil and Gas Inc.2200Dec 22, 1981Dec 22, 1981
270Leger Production Co., Inc.2200Dec 31, 1984Sep 27, 1990
271Marsh, Tom F. Inc.2200May 25, 1979May 25, 1979
272May Petroleum, Inc.2200Feb 9, 1984Sep 18, 1984
273M. B. Energy Services, Inc.2200Jan 13, 1998Jun 28, 1999
274M.B. Environmental Services, LLC2200Mar 18, 2010Nov 5, 2010
275McCormick Oil & Gas Corp.2200Dec 7, 1977May 18, 1979
276McDrilling Company, Inc2200Oct 11, 1979Mar 17, 1980
277Merit Energy Company2200Jan 22, 1998Dec 1, 1999
278Mitchell Energy Offshore Corp.2200Mar 1, 1984Mar 1, 1984
279Mosbacher,robert-Transco Expl.2200Mar 13, 1978Dec 11, 1978
280Ojala Production Company2200Jul 17, 1991Jul 17, 1991
281OXY Low Carbon Ventures, LLC2200Aug 19, 2022Apr 17, 2024
282Pecos Petroleum Company2200Oct 6, 1989Feb 1, 1991
283Peninsula Resources Corp.2200Aug 21, 1978Dec 12, 1980
284Pennzoil Petroleum Company2200Sep 13, 1993Jun 22, 1994
285Prolithic Energy Company, L.P.2200Aug 24, 1999May 21, 2001
286Quintex Petroleum Corp.2200Nov 27, 1978Dec 27, 1978
287Reading & Bates Development Co.2200Mar 18, 1998May 11, 1998
288Realitos II Exploratory Program2200Jul 20, 1979Nov 13, 1979
289Republic Resources, LLC,2200Sep 4, 2001Oct 30, 2002
290Rosetta Resources Operating LP2200Dec 12, 2006Jan 23, 2008
291Safari Production Company, Inc.2200Oct 8, 2002Oct 8, 2002
292Samson Lone Star LP2200Nov 8, 2005Feb 14, 2007
293Sandefer Petroleum Company2200Feb 8, 1985Oct 16, 1990
294Scana Exploration Company2200Oct 14, 1993Oct 18, 1993
295Suemaur Expl. & Prod., LLC2200Mar 16, 1999Jul 13, 2010
296Summit Resources, Inc.2200Dec 10, 1980Dec 27, 1989
297Teal Petroleum Company2200Sep 19, 1977Aug 21, 1978
298Texas Crude Exploration, Inc.2200Jul 15, 1983Dec 11, 1984
299TJ Production Company2200May 22, 1986Jun 19, 1986
300Tomlinson, Thomas K. Inc.2200Mar 10, 1982Nov 23, 1982

698 OPERATORS · THE 300 MOST ACTIVE SHOWN · WINDOW ON THE RRC ISSUE DATE