Darrell H. Cole
President & CEO

As the President & CEO of The United Distribution Group, Mr. Cole leads a highly trained staff of more than 800 employees currently operating out of 85 facilities throughout the United States and Canada. UDG serves a wide range of energy-related industries including oil and gas, mining, power generation, petrochemical, agriculture, original equipment manufacturers, marine and various other industries.
Mr. Cole earned an M.B.A. from The Graduate College of Business at East Tennessee State University. He has 39 years of industrial distribution experience, is a director of the Eastern Coal Council and a former director of the Virginia Mining Association.

The subsidiaries of The United Distribution Group include:

  • United Central Industrial Supply
  • GHX Industrial
  • McCarty Equipment Company
  • Gooding Rubber Company
  • National Mine Service
  • Robsco, Inc.
  • Hose Specialty & Supply
  • Hose & Fittings, Inc.
  • Dandy Specialties
  • Fugitt Rubber
  • Malcom Supply
  • Melville Equipment
  • Valley of Birmingham




  Dan Maddox
Chief Financial Officer

As Chief Financial Officer, Mr. Maddox is responsible for managing all aspects of UDG’s financial affairs.
He has been a part of the UDG family of companies since joining GHX Industrial in August of 2008. Prior to joining GHX, he served as Vice President and Chief Accounting Officer for Kaiser Aluminum Corporation. Mr. Maddox began his career with Arthur Andersen LLP serving clients in a wide range of industries. He earned a Bachelor of Business Administration in Accounting from the University of Texas.




  Ken Begley
Director of Human Resources & Risk Management

As Director of Human Resources & Risk Management, Mr. Begley is responsible for all aspects of HR and risk management for UDG and its subsidiary companies, United Central Industrial Supply and GHX Industrial. His primary responsibility is achieving synergies between the operating companies in their HR, benefits and risk management programs.
Ken has been associated with United Central, and now UDG, for over 33 years. During that time he has held positions related to safety, public relations, HR and risk management. He earned an AAS in Mining Technology from Southwest Virginia Community College and a B.S. degree in Management of Human Resources from Bluefield College.




  Cliff Nelson
Chief Information Officer

As Chief Information Officer, Mr. Nelson is responsible for developing and executing Information Technology strategies that align with corporate business objectives with particular focus on sales growth and operational excellence for UDG and its subsidiary companies, United Central Industrial Supply and GHX Industrial.
Cliff joined UDG in April of 2013. Previously, he served as Senior Business Consultant for Sparkhound and as Vice President of Information Technology for DXP Enterprises. He earned a B.A. degree from Stephen F. Austin State University in Economics and Political Science.