6225 Campbell Road
York, SC - USA
PH: 704-825-5308
FX: 704-825-6014

About Us

Since our October, 1973 incorporation, Piedmont Energy Systems has provided high quality products with an unrivaled standard of service. Our engineering expertise and vast product selection allow us to custom design a system that conforms to your specific job requirements.

PES is both service oriented and technologically advanced. We are committed to closely working with you throughout your projects, regardless of the complexity of your needs. Whether you purchase a single piece of equipment or require turnkey engineering,custom design skid systems, design, manufacturing and installation of a complete system, PES is at your service.

From small businesses to Fortune® 500 companies, our varied customers have relied on us for quality, on-time delivery and service after the sale. We are accustomed to working with all levels of corporate management, engineering and production personnel. We work to the highest of industry standards because our work is subject to the most stringent quality control and verification methods in the USA.

Julian Timmons – Founder and Chairman

Mr. Timmons graduated from Georgia Tech University with a degree in Mechanical Engineering and founded Piedmont Energy Systems, Inc. in 1970. Mr. Timmons is licensed as a mechanical contractor in several states, and has worked in the design and construction of LP gas and other chemical systems for over 40 years.

Patrick Stewart, P.E., President

Mr. Stewart graduated from Clemson University with a degree in Mechanical Engineering and has been a registered, professional engineer in NC & SC since 2002. He is also licensed in SC as an LP gas installer and has worked in the design and installation of chemical storage, distribution and receiving systems for over 15 years. Mr. Stewart also has an extensive background in the design of ASME code tanks and systems and is regarded as one of the nations foremost authorities in Fluorocarbon delivery systems

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Alex Mercado V.P. of Operations

Mr. Mercado is an ASME/AWS code certified welder who has 30 years experience in the pipe fabrication, and mechanical contracting/construction industry. He is experienced in multinational transactions and speaks fluent Spanish.

Our objectives of providing the highest quality products and service are best shown by our ever-expanding satisfied customer list:


  • BASF


  • GENERAL ELECTRIC CORPORATION


  • HONDA


  • FORD MOTOR COMPANY


  • GENERAL MOTORS


  • CHRYSLER CORPORATION


  • HYUNDAI MOTOR COMPANY


  • KIA MOTORS


  • RHEEM MANUFACTURING


  • EATON CORPORATION


  • WESTINGHOUSE


  • CARRIER CORPORATION


  • TRANE


  • LENNOX CORPORATION


  • MEGTEC


  • DURACELL CORPORATION


  • VOLVO TRUCKS NA


  • DAIMLER TRUCKS NA


  • MEXICHEM


  • DUPONT


  • HONEYWELL