A full service Commercial, Industrial, and Institutional electrical contractor dedicated to providing quality installations and professional service. 

"Projects On Time, On Budget!"


  • Member of The Western Pennsylvania Electric League.
  • Associate Member of the Western Pennsylvania Master Builders Association


Residential, Commercial, Industrial, & Institutional Construction and renovations, including primary power distribution systems, stand-by emergency power generation, UPS Systems, Interior / Exterior lighting, fire alarm,  nurse call, intercom, access control, security, and  telecommunication systems.

Work Category:

  • Electrical/Telecommunications Contracting – CSI code #238210


  • Self-performed excavation, and aerial service to a 65’.


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Contact Information:

Company Information:

  • Keystone Electrical Systems, Inc.
  • 1050 Third Street
  • Versailles PA 15137-2057

Phone Number: (412) 823-5500 

Fax Number: (412) 823-7036 


Email Addresses:

Estimating / Project Mgt. Contact: David G. Arbogast



  • Kathy A. Arbogast – President/CEO
  • David Arbogast – Secretary/Treasurer
  • Year Established: 1997 


Pennsylvania Women's Business Enterprise (WBE) Company - ID #110228/Keystone

  • Pennsylvania Department of General Services (DGS) Vendor # 179975
  • Pennsylvania Self-Certified Small Business Identification #179975-2012-09-S
  • Pennsylvania Uniform Certification Program (PaUCP) ID # 12277
  • ECMS Registered/Penn-DOT Certified

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