Oklahoma

Mc Keever Clark - Enid, Oklahoma

Brewer Imaging Group - Oklahoma City, Oklahoma

Gaillardia Country Club - Oklahoma City, Oklahoma

Megaphone Pro Solutions Inc. - Sallisaw, Oklahoma

Research LNC - Norman, Oklahoma

MEEKS LLC - Ponca City, Oklahoma

grapevine product development - Stillwater, Oklahoma

Electronic Research & Development - Tulsa, Oklahoma

Phillips 66 Research Center - Bartlesville, Oklahoma

Udrea Research - Stillwater, Oklahoma