Chesapeake Energy Corp,the Oklahoma-based firm is the No. 1 driller in Ohio.
Rig Count Interactive Map by Baker Hughes, an energy services company.
Shale Sheet Fracking, a Youngstown Vindicator blog.
The Ohio Environmental Council, a statewide eco-group based in Columbus.
Earthjustice, a national eco-group.
People's Oil and Gas Collaborative-Ohio, a grass-roots group in Northeast Ohio.
Concerned Citizens of Medina County, a grass-roots group.
No Frack Ohio, a Columbus-based grass-roots group.
Fracking: Gas Drilling's Environmental Threat by ProPublica, an online journalism site.
Pipeline, blog from Pittsburgh Post-Gazette on Marcellus shale drilling.
Allegheny Front, environmental public radio for Western Pennsylvania.
The information is slightly dated, but the data is very interesting for anyone involved in Ohio's Utica shale.
A Canadian think tank, the Fraser Institute in Vancouver, B.C.,, in June 2011 ranked Ohio as the second most attractive jurisdiction for drilling investment.
Ohio ranked behind Mississippi and ahead of Kansas, Oklahoma, Texas and West Virginia.
The survey was based on 502 respondents reptesenting 478 drilling companies.
Click here to see the 179-page report.