Equipment/Product Manufacturers:

Base Engineering, Inc.

Bergquist Inc.

Blackmer

Clean Fuel USA

Corken, Inc.

Fisher Regulators

Fruitland Tool & Manufacturing

Gardner Denver, Inc.

Gas Equipment, Co., Inc.

Hannay Reels

Liquid Controls

Neptune Flowmeter

OPW Engineered Systems

Progress Tank

Propane Resources

RegO Products

Rochester Gauges, Inc.

Stellar Industries, Inc.

Touchstar Technologies, Ltd

Trinity Containers, LLC

Professional Organizations:

Iowa Propane Gas Association

Missouri Petroleum Marketers and Convenience Store Association

Missouri Propane Gas Association

National Propane Gas Association

Nebraska Petroleum Marketers & Convenience Store Association

Nebraska Propane Gas Association

Petroleum Equipment Institute

Petroleum Marketers and Convenience Store Association of Kansas

Petroleum Marketers and Convenience Stores of Iowa

Propane Marketers Association of Kansas

South Dakota Petroleum & Propane Marketers Association - South Dakota Association of Convenience Stores

Western Petroleum Marketers Association (WPMA)