System One: Detailed Company Information & Corporate Profile

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Summary

The business currently specializes in Management Consulting area. Troy Gregory is the Chief Executive Officer at the company. The company has 5000-10000 employees. Register with SignalHire to connect with System One employees and management.

System One Websitesystemone.com
Industries
System One Headquarters Address210 Sixth Avenue, Pittsburgh, Pennsylvania, 15222 US
Company Size5000-10000 employees
Specialities & ServicesEnergy, Scientific, Clinical & Healthcare, Professional, QA/QC/NDE, Commercial & Industrial, Information Technology, Legal, Telecom, Marketing, Marine, Vendor Management Systems, Engineering, Transit, Renewable Energy, Creative and Digital, eDiscovery, Recruitment Process Outsourcing, Managed Staffing Programs, Managed IT Services, Government, Industrial, Critical Infrastructure, Life Sciences, Technology
Estimated Annual Revenue$500M - 1B
Updated:2026-09-17

Subsidiaries and Affiliated Companies

Workforce Turnover

Number of employees switched from or switched to

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Total employee turnover

Departmental sample breakdown

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Turnover activity captured in SignalHire's departmental sample ( employees):

Length of Employment

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System One's workforce includes employees across a wide range of tenure levels.

3% have been with the company for less than 1 year4% have been with the company for 1 to 2 years9% have been with the company for 3 to 4 years15% have been with the company for 5 to 7 years17% have been with the company for 8 to 10 years53% have been with the company for more than 11 years

Former Employees: Role Changes

Role at Former Company
Role at New Company
Contact top employees from System One
John Reeves
John ReevesExecutive Vice President
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Melissa Gill
Melissa GillVice President Operations
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Mils Ivey
Mils IveyVice President
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Brian Anderson
Brian AndersonExecutive Vice President, Energy & Utilities
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Mark Schubert
Mark SchubertSenior Vice President of Strategic Client Growth & Relationships.
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Kijawna Johnson
Kijawna JohnsonRecruiting Assistant/Payroll Support
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Cheryl Bunce
Cheryl BunceContract Manager
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James Odom
James OdomInspection @ SystemOne
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Krista Kornchuk
Krista KornchukContent and Communications Marketing Manager
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Michael Wanco
Michael WancoQuality Assurance Quality Control Inspector
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Justin Clanton
Justin ClantonPower Plant Operator
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Jordan Tyler
Jordan TylerWind Turbine Technician
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Jessica Corona
Jessica CoronaField Archaeologist
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omobolaji Omitogun
omobolaji OmitogunData Analyst
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System One Corporate Information: FAQ

System One operates in the Recruitment, Business Consultancy industries. More details can be found on the official website: systemone.com.
System One has offices located in Pittsburgh, US.
The headquarters of System One are located in Pittsburgh, United States.
System One currently employs 5000-10000 people.

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