What Does System One Do?

Total employees1253
HeadquartersPittsburgh
Founded

System One is a premier national provider of specialized workforce solutions and integrated services. For over 40 years, we have been connecting employers with highly skilled professionals in sectors such as energy, engineering, IT, scientific, clinical, professional, and government. Our offerings include contract and direct hire staffing, managed staffing programs (MSP), SOW-based services, and quality solutions, all designed to help clients optimize their talent acquisition and project execution. We are committed to quality, safety, and delivering exceptional value to both our clients and candidates.

Where Is System One's Headquarters?

System One officeSystem One officeSystem One officeSystem One office
*Images sourced via web search. Rights belong to original owners

HQ Function

Serves as the central hub for corporate leadership, strategic planning, financial operations, human resources, IT, legal, and marketing. It provides centralized support for System One's extensive network of offices and service delivery across North America.

Notable Features:

Located in Foster Plaza, a prominent multi-building office park in Pittsburgh, offering a professional business environment with modern amenities. Specific internal architectural highlights are not publicly detailed but facilities are designed to support a large corporate staff and foster collaboration.

Work Culture:

A dynamic, professional, and client-centric environment that emphasizes teamwork, integrity, and innovation. Employees often describe a supportive management structure and opportunities for career development within a fast-paced industry.

HQ Significance:

The headquarters is pivotal for System One's national operations, driving company-wide strategy, ensuring consistent service quality, and supporting its diverse service offerings across numerous specialized sectors.

Values Reflected in HQ: The headquarters' location in a major business plaza and its professional setting reflect System One's commitment to excellence, stability, operational efficiency, and providing a high-quality base for its national services.

Location:

System One primarily operates across the United States and Canada, with an extensive network of over 50 office locations supporting national and regional clients. While its physical office presence is concentrated in North America, System One possesses capabilities to support client projects globally, particularly for US-based multinational corporations. This is often achieved through their specialized talent network, remote work solutions, and strategic partnerships, enabling them to source and manage talent for international assignments as required by client needs.

Street Address:

680 Andersen Drive, Foster Plaza 10

City:

Pittsburgh

State/Province:

PA

Country:

USA

Where Else Does System One Operate Around the World?

Houston, TX/USA

Address: 11490 Westheimer Rd, Suite 850, Houston, TX 77077

To provide specialized recruitment, account management, and project support tailored to the high concentration of energy and technical industries in Houston and the Gulf Coast region, ensuring rapid talent deployment and deep market expertise.

Orlando, FL/USA

Address: 7001 Lake Ellenor Drive, Orlando, FL 32809

To cater to the growing industrial, infrastructure, and theme park related project needs in Florida, providing specialized talent for energy projects, manufacturing operations, and engineering firms in this dynamic region.

Exton, PA/USA

Address: 420 Sentry Parkway East, Suite 200, Exton, PA 19341

To serve the diverse and technology-driven industries in the greater Philadelphia area and surrounding states, offering specialized talent acquisition for R&D, IT infrastructure, and corporate functions.

Buying Intent Signals for System One

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Who's Leading System One? Meet the Executive Team

As of April 2025, System One' leadership includes:

Troy L. Gregory - President and CEO
Greg Lignelli - President, Staffing
Daniel R. Cosgrove - Chief Financial Officer
Susan L. Hallenbeck - Chief Human Resources Officer
Mark A. Fenske - Chief Legal Officer & General Counsel

Who's Investing in System One?

System One has been backed by several prominent investors over the years, including:

Thomas H. Lee Partners (THL)

What Leadership Changes Has System One Seen Recently?

Hire0
Exits0

Based on publicly available information and news searches covering the last 12 months, there have been no widely publicized major C-suite level executive hires or departures at System One. The top leadership team appears to have maintained stability during this period. Any changes that may have occurred were likely internal promotions or not broadly announced in major news outlets.

What Technology (Tech Stack) Is Used bySystem One?

Discover the tools System One uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

System One Email Formats and Examples

System One commonly utilizes specific email formats for its employees. The most prevalent pattern observed is `first.last@systemone.com`. Another, less common, format is `[first_initial][last]@systemone.com`. Understanding these patterns can be helpful when attempting to contact individuals within the organization, though verification is always recommended for important communications.

first.last@systemone.com (e.g., jane.doe@systemone.com), flast@systemone.com (e.g., jdoe@systemone.com)

Format

john.smith@systemone.com

Example

80%

Success rate

What's the Latest News About System One?

System One Website / Forbes • May 7, 2024

System One Named to Forbes’ 2024 Lists of America’s Best Recruiting and Temp Staffing Firms

System One announced its prestigious inclusion in Forbes' 2024 rankings for both America’s Best Professional Recruiting Firms and America’s Best Temporary Staffing Firms. This recognition underscores its consistent high performance, client satisfaction, and leadership in the competitive staffing industry....more

PR Newswire / System One • December 5, 2023

System One Acquires Dreamtek, A Leading UK-Based Video Production and Staffing Company

System One announced its strategic acquisition of Dreamtek, a prominent UK-based company specializing in video production services, broadcast technology solutions, and creative talent staffing. This acquisition significantly expands System One's capabilities in the digital media space and enhances its international service offerings....more

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