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The Oil and Gas Consulting Company
Audit and Consulting
Mike Cougevan
Executive Vice President
Denver, CO
405-728-3003 ext.1200
m.cougevan@big5vn.com
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Todd Attalla
Executive Vice President
Oklahoma City, OK
(405) 728-3003 ext. 1201
t.attalla@big5vn.com
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Matt Pilkington
Vice President of Audit
Oklahoma City, OK
(405) 728-3003 ext. 1203
m.pilkington@big5vn.com
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Cody Deckard
Audit Manager | Joint Venture
Oklahoma City, OK
(405) 728-3003 ext. 1204
c.deckard@big5vn.com
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Ben Hickson
Audit Manager | Royalty & Revenue
Oklahoma City, OK
(405) 728-3003 ext. 1207
b.hickson@big5vn.com
Sam Melman
Audit Supervisor
Oklahoma City, OK
(405) 728-3003 ext. 1211
s.melman@big5vn.com
Josh Havens
Audit Supervisor
Oklahoma City, OK
(405) 728-3003 ext. 1208
j.havens@big5vn.com
Reid Simpson
Audit Supervisor
Oklahoma City, OK
(405) 728-3003 ext. 1210
r.simpson@big5vn.com
Anderson Depee
Audit Supervisor
Oklahoma City, OK
(405) 728-3003 ext. 1209
a.depee@big5vn.com
Jean Hale
Internal Audit Supervisor
Oklahoma City, OK
(405) 728-3003 ext. 1220
J.Hale@big5vn.com
Jill Bennett
Senior Auditor
Oklahoma City, OK
(405) 728-3003 ext. 1205
j.bennett@big5vn.com
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Cameron Long
Senior Auditor
Oklahoma City, OK
(405) 728-3003 ext. 1213
c.long@big5vn.com
Wayne Huffling
Senior Auditor
Oklahoma City, OK
(405) 728-3003 ext. 1206
w.huffling@big5vn.com
Alex Shaffer
Senior Auditor
Oklahoma City, OK
(405) 728-3003 ext. 1212
a.shaffer@big5vn.com
Marlon Ellis
Senior Auditor
Oklahoma City, OK
(405) 728-3003 ext. 1222
M.Ellis@big5vn.com
Macy Dale
Auditor
Oklahoma City, OK
(405) 728-3003 ext. 1216
m.dale@big5vn.com
Casey Nugent
Auditor
Oklahoma City, OK
(405) 728-3003 ext. 1214
c.nugent@big5vn.com
Nicholas Joyner
Auditor
Oklahoma City, OK
(405) 728-3003 ext. 1218
N.Joyner@big5vn.com
Leif Gustafson
Auditor
Oklahoma City, OK
(405) 728-3003 ext. 1221
L.Gustafson@big5vn.com
Addi Wagner
Auditor
Oklahoma City, OK
(405) 728-3003 ext. 1219
A.Wagner@big5vn.com
Danny Gutmann
Auditor
Oklahoma City, OK
(405) 728-3003 ext. 1224
D.Gutmann@big5vn.com
Kelcie Kirkegard
Auditor
Oklahoma City, OK
(405) 728-3003 ext. 1225
K.Kirkegard@big5vn.com
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