Alabama Oil and Gas Board
http://www.gsa.state.al.us/ogb/ogb.html
Arkansas Oil and Gas Commission
http://www.aogc.state.ar.us/
California Division of Oil, Gas & Geothermal Resources
http://www.conservation.ca.gov/dog/Pages/Index.aspx/
Colorado Oil and Gas Conservation Commission
http://cogcc.state.co.us/
Florida Department of Environmental Protection Oil and Gas Program
http://www.dep.state.fl.us/water/mines/oil_gas/index.htm
Indiana Oil and Gas Conservation Commission
http://cogcc.state.co.us/
Iowa Geological Survey
http://www.igsb.uiowa.edu/
Kansas Geological Survey Energy Resources
KGS--Energy Resources--Oil and Gas Data Bases
Kentucky Division of Oil and Gas Conservation
http://www.dogc.ky.gov/
Louisiana Department of Natural Resources
http://dnr.louisiana.gov/
Michigan Department of Environmental Quality
http://www.michigan.gov/deq/
Mississippi Oil and Gas Board
http://www.ogb.state.ms.us/
Montana Board of Oil and Gas
http://bogc.dnrc.mt.gov/
Nebraska Oil and Gas Conservation Commission
http://www.nogcc.ne.gov/
New Mexico Energy, Minerals and Natural Resources Department
New Mexico - Oil Conservation Division
New York State Department of Environmental Protection
Oil and Gas - NYS Dept. of Environmental Conserv
North Dakota Oil and Gas Commission
https://www.dmr.nd.gov/oilgas/
Ohio Department of Natural Resources Oil and Gas Program
http://www.ohiodnr.com/mineral/oil/tabid/10371/Default.aspx
Oklahoma Corporation Commission
Oklahoma Corporation Commission Oil and Gas Conservation Division
Pennsylvania Geological Survey: Oil and Gas Resources
http://www.dcnr.state.pa.us/topogeo/oilandgas/index.aspx
South Dakota Department of Environment and Natural Resources
Oil & Gas Homepage
Texas Railroad Commission
Texas RRC - Oil & Gas
Utah Department of Natural Resources Division of Oil, Gas and Mining
http://oilgas.ogm.utah.gov/
West Virginia Department of Environmental Protection
http://www.wvdep.org/item.cfm?ssid=23
Wyoming Oil and Gas Conservation Commission
http://wogcc.state.wy.us/