As we reflect on the past 75 years, we want to recognize companies that have been strong IOGA members for more than 4 decades. Our members are the backbone of our association and these companies have continuously partnered with us to make a significant difference in the Illinois oil and gas industry!

Thank you to each company for their continuous support over the years.

75 years

Baldwin & Baldwin *Charter Member

Brehm Oil, Inc.

Collins Brothers Oil Company

CountryMark/Indiana Farm Bureau

Fabick CAT

JW Rudy

Marathon Oil/Sohio

R Energy (Rebstock)

Robinson Production *Charter Member

Shulman Brothers

70+ years

Belden Enterprises

Bradford Supply Company

Dee Drilling Company

Stewart Producers, Inc.

Self Oil

60+ years

Barger Engineering

Bufay Oil

Central Supply

Gallagher Drlg

Glover Oilfield

Gwaltney Drilling, Inc.

Podolsky Oil

Murvin Oil

Shakespeare Oil Company, Inc.

Universal Operating

Wood Energy, Inc.

50+ years

Bi-Petro, Inc.

Booth Oil Co

Budmark Oil Company, Inc.

Busby Energy

CT Evans

Elmer Oelze Companies

H & R Oil Properties

LaHoil, Inc.

Les Wilson

Linders Estate

Moore Eng & Prod Engineering & Production Co., Inc.

Parrish Oil Prod

Republic Oil Company, Inc.

Robinson Engineering & Oil Company, Inc.

Walter Oil Tools

40+ years

Ashley Oil

Bangert Well Service

Becker Oil

Black, Ballard, McDonald, P.C.

Booth Resources

Caserotti Consulting

Dartt, LLC

DeMier Oil

Doran Oil Prod

Doug Knierim

Downen Production

Energy Insurance Services /Fehrenbacher

Feller Oilfield Services, Inc.

Geo Mitchell Drlg., Co., Inc.

George Payne

Harris Energy

Henigman Oil

Independent Supply

Jasper Oil Producers, Inc.

Kemper CPA Group, LLC

Marshall Daniel Consulting Geologist

Peoples Bank

PJ Repair

Schuler Truck & Tractor

Squibb Tank Service

St. Pierre Oil

Tracy Trucking

Yockey Oil