System One Holdings, LLC

System One Holdings, LLC is a leading provider of specialized workforce solutions and integrated services, operating across critical sectors such as infrastructure, technology, life sciences, and government.

With over 40 years of experience, the company offers a comprehensive suite of services designed to meet the complex needs of its clients.

Outsourced Services

System One delivers specialized and technical services that provide resources, expertise, certifications, and training to help clients accelerate results.

These services are tailored to support mission-critical initiatives across various industries, ensuring that clients have access to the necessary skills and knowledge to achieve their objectives.

Workforce Solutions

The company offers comprehensive workforce solutions, assisting clients in identifying and acquiring top talent to build effective teams.

This includes staff augmentation, managed services, and vendor management services, all aimed at optimizing workforce efficiency and effectiveness.

Industry-Specific Services

• Critical Infrastructure: System One fortifies, builds, and expands the nation's infrastructure, powering clients' most critical and core initiatives.
• Technology: The company partners with large public and private organizations to support important initiatives in IT, creative and digital, and legal eDiscovery.
• Life Sciences: System One helps scientific, clinical, and healthcare clients find talent, manage specialized equipment, and increase productivity.
• Government: The company supports and implements critical programs that help government partners achieve their mission-critical goals.

Location and Presence

Headquartered in Pittsburgh, Pennsylvania, System One operates in over 50 locations across the United States, Canada, and the United Kingdom.

Its extensive network enables the company to mobilize a diverse and highly skilled talent pool to meet the unique needs of clients in various regions.

Additional locations include:

• Carlisle, IA, USA
• Newark, NJ, USA

Recent Developments

In January 2025, System One expanded its capabilities by acquiring Tech USA, a premier provider of staffing and recruiting solutions.

This acquisition focuses on industries such as aerospace and defense, biotechnology, engineering, information technology, power and energy, and telecommunications.

It further strengthens System One's position in delivering specialized workforce solutions across diverse sectors.

System One's commitment to excellence and its ability to adapt to the evolving needs of its clients have established it as a trusted partner in delivering mission-critical services and workforce solutions.