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UGI Energy Services

UGI Energy Services - Since 1985, UGI Energy Services has partnered with thousands of commercial and industrial businesses to reduce the impact of everyday energy costs. We are skilled in tailoring energy purchasing programs to fit customer requirements, ranging from large industry to small business.

Corporate Headquarters:
UGI Energy Services
Located in Wyomissing PA

Toll-Free: 800.427.8545
Fax: 610.374.4288

email :

Website -


UGI Energy Services, Inc.

In 1985, our parent company UGI Corporation established the tradename, GASMARK, as one of the first marketers to sell natural gas to business users in the deregulated marketplace. In 1995, UGI Energy Services, Inc. was incorporated as a separate company to market natural gas, electricity and liquid fuels to approximately 30,000 business, commercial, industrial, institutional and government customers in nine eastern states as well as Washington, D.C.

Unlike many energy marketers, UGIES owns a variety of assets which support the storage, transportation and delivery of natural gas, and owns electric generation assets in Pennsylvania. Please visit our Assets section to learn more.



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