Greg Lignelli

Founder at

System One Holdings LLC

Commercial Services

Consumer Services

Utilities

Profile

Mr. Greg Lignelli is a President & Chief Operating Officer at System One Holdings LLC and a President & Chief Operating Officer at System One, Inc. Mr. Lignelli was previously employed as a Chief Operating Officer by All Systems Holding LLC, an Executive Vice President by Hudson Energy Services LLC, and a Business Analyst by Spec Group, Inc. He received his undergraduate degree from Duquesne University of The Holy Spirit.

Greg Lignelli active positions

Companies	Position	Start
System One Holdings LLC System One Holdings LLC Miscellaneous Commercial ServicesCommercial Services Provides technical outsourced services and workforce solutions	Founder	01/01/2008
System One, Inc. System One, Inc. Miscellaneous Commercial ServicesCommercial Services Provides technical outsourced and workforce services	President	01/02/2022

All active positions of Greg Lignelli

Former positions of Greg Lignelli

Companies	Position	End
Spec Group, Inc. Spec Group, Inc. Advertising/Marketing ServicesCommercial Services Provides highly skilled technical workforce to the electrical power and primary process industries	Corporate Officer/Principal	-
All Systems Holding LLC All Systems Holding LLC Personnel ServicesCommercial Services Provides managed staffing and technical outsourcing solutions	Chief Operating Officer	-
Hudson Energy Services LLC Hudson Energy Services LLC Electric UtilitiesUtilities Supplies electricity and natural gas & offers energy plans	Corporate Officer/Principal	-

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Training of Greg Lignelli

Experiences
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Private companies

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Linked companies

Private companies	6
System One, Inc. System One, Inc. Miscellaneous Commercial ServicesCommercial Services Provides technical outsourced and workforce services	Commercial Services
Spec Group, Inc. Spec Group, Inc. Advertising/Marketing ServicesCommercial Services Provides highly skilled technical workforce to the electrical power and primary process industries	Commercial Services
Duquesne University of The Holy Spirit Duquesne University of The Holy Spirit Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Hudson Energy Services LLC Hudson Energy Services LLC Electric UtilitiesUtilities Supplies electricity and natural gas & offers energy plans	Utilities
System One Holdings LLC System One Holdings LLC Miscellaneous Commercial ServicesCommercial Services Provides technical outsourced services and workforce solutions	Commercial Services
All Systems Holding LLC All Systems Holding LLC Personnel ServicesCommercial Services Provides managed staffing and technical outsourcing solutions	Commercial Services