Austin, TX – Tanknology Inc. announced today that Charlie Karling has been named a Regional Sales Manager covering 11 states in the central United States. In this capacity, Karling will be responsible for the client relations in Michigan, Ohio Indiana, West Virginia, Kentucky, Tennessee, Alabama, Mississippi, Arkansas, Louisiana and part of Pennsylvania.

With nearly 7 years in the industry, Karling has served Tanknology as an Inside Sales Representative in the Ohio Valley Region since 2016.

Karling attended the University of Mount Union in Alliance, Ohio and graduated with a Bachelor of Science degree in Business Marketing with a minor in Communications. Prior to Tanknology, he worked for 3M Cogent Systems, a developer of biometric identification solutions.

“Charlie has proven to have a solid understanding of the market’s needs, environmental regualtions and has demonstrated a track record of success,” said Allen Porter, Tanknology President and CEO. “Charlies’s customer-centric attitude fits with Tanknology’s mission, and in his new role he will be a tremendous asset to our organization.”

Karling will be based in Tanknology’s Columbus, Ohio office and can be reached at (614) 436-4226 or via email at

About D&H United Fueling Solutions

D&H United Fueling Solutions is a leading provider of both petroleum fueling and EV charging system service, equipment and installation, and compliance services. D&H United is an authorized distributor and service provider for Gilbarco Veeder-Root and other major equipment brands. The company has 33 branch offices and more than 1,200 employees.


About Tanknology®

Tanknology Inc., the world’s largest provider of environmental compliance testing, inspection services, corrosion prevention and fuel quality solutions, services more than 100,000 petroleum fueling and storage facilities per year. Tanknology offers more than 30 compliance-related service offerings and holds 22 patents for leak detection and tank monitoring technology. Internationally, Tanknology licensees span more than 20 countries, providing services to the largest petroleum operators in the world. Tanknology is a subsidiary of D&H United Fueling Solutions.  

Press Contact:
Chris Bouldin
VP, Marketing & International

Tanknology Inc.
11000 N. MoPac Expy
Suite 500
Austin, TX 78759

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