top of page


Gateway Power Sales
Mission Statement

Gateway Power Sales is committed to being the premier Electric Utility manufacturers representative agency in the Midwest.  Our goal is to provide our customers with unparalleled consultative sales solutions and to exceed their expectations.   This will enable us to deliver operational excellence throughout all facets of the company to meet or exceed our commitments to our manufacturers we represent and our customers we serve, enabling us to establish viable partnerships between our customers and manufacturers.  This will be achieved by aligning our long term goals and short term actions influenced by integrity, honesty and professionalism.    

Our Team
Tim Supranowich, President
Covering - Eastern MO and Southern IL

Graduate of the University of Missouri, Columbia, in Electrical Engineering Power.   Previously employed by Illinois Power Company as a (District Engineer, Standards Engineer and Industrial Marketing Manager) - Emerson Electric as a (Manager of Field Service and Marketing Manager),  and Electrorep as  VP of Electrical Sales.   Primarily focused on all major utilities and industrial customer in both Illinois and Missouri for over 30 years.   Extensive rapport with a vast customer base along with in-depth product knowledge of multiple manufacturers.  

Dennis Sheridan, VP of Sales
Covering - IL and Eastern MO 

Dennis holds a Bachelors of Science in History (2004) and Masters of Business Administration (2013) from Northern Illinois University.   Prior to joining Gateway Power Sales, Dennis has held multiple sales management positions within the Electric Utility industry including working for Huskie Tools (Regional Sales Manager), Sabre-FWT (Regional Sales Manager) and Charles Industries (National Sales Manager - Utilities) since 2007.  Dennis joined Gateway Power Sales in May of 2018.    

Sam Erickson, Sales Manager West
Covering - Western MO and KS

Sam is a graduate of the U of MN - Moorhead in Industrial Distribution. Prior to joining Gateway Power Sales, Sam was the central and west Regional Sales Manager for EvoCharge (EV Charging Manufacturer), a Territory Sales Manager for Rouzer Group (Manufacturer’s Rep Agency), and an Outside Salesman with Dakota Supply Group (Regional Electrical / Utility distributor). Sam joined Gateway Power Sales in January of ‘24.

Scott Wilson, Sales Manager North
Covering - North Illinois

Scott holds an associate degree in tool and manufacturing technology from Southern Illinois University.

Prior to joining Gateway Power Sales in 2022, Scott worked at Weldy Lamont Associates for over 28 years, working with electric utilities and commercial/industrial customers in the northern Illinois territory.

Need more details? Contact us

We are here to assist. Contact us by phone, email or via our Social Media channels.

bottom of page