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USM, An EMCOR Company

USM is a leading facilities maintenance, HVAC/electrical services, and sustainable energy solutions company that provides services nationwide with offices in Pennsylvania and New York. Contact us today for information on complete integrated facility services, electrical contracting, building compliance, and more.

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Please note new address!

Pennsylvania - Corporate Headquarters

1700 Markley Street
Suite 100
Norristown, PA 19401
T: 800.355.4000

New York

163 Keyland Court
Bohemia, NY 11716
T: 631.563.5892

If you want to be a vendor or subcontractor for USM, please go here. DO NOT fill out the form below.

All other inquiries, please use the form below.