System One

Exceptional Talent. Specialized Solutions.


System One stands as one of the largest outsourced services and workforce solutions firms in the U.S. with more than 9,000 employees and consultants hard at work every day from more than 50 locations and hundreds of client sites in the United States, Canada, and United Kingdom. That’s just the beginning of the story…



Solutions & Services for your Business

The term “staffing agency” only scratches the surface of how we partner with large private and public organizations to execute their complex, mission-critical initiatives through our outsourced services and workforce solutions. For over 40 years, System One has evolved and expanded to deliver:

Diversifying for success

System One’s legacy businesses exclusively served energy and industrial markets. Now, our delivery spans many sectors, including critical infrastructure, technology, life sciences, and government. View our specialties.

A company of experts investing in “yes”

Of course, we couldn’t have gotten this far without the trust of our clients and talents of our people. These collaborative partnerships prompt us to ask questions like:

  • “How can we do it better?”
  • “What if we tried something different?”
  • “What’s in the best interests of all parties?”

These challenges have made us who we are — a company of dedicated professionals ready to support your outsourced services and workforce solutions requirements. Because we say yes and invest in the future, we push the boundaries of innovative services and solutions and accomplish what other organizations can’t deliver.



System One History

January 2022

System One Acquires Dreamtek

System One Acquires Dreamtek

Acquired a leading global video production company Dreamtek to strengthen our position in the Creative & Digital space. Dreamtek offers creative video production services, live and virtual event expertise, and advanced technical production knowledge for a quick, efficient response to growing media industry needs on a global scale.

June 2021

System One Acquires Quadel

System One Acquires Quadel

System One completes acquisition of Quadel to bolster its integrated services portfolio. Quadel to operate as GAP Solutions subsidiary and expand its government consulting efforts.

December 2020

Oaktree Capital Management Invests in System One

Oaktree Capital Management Invests in System One

Oaktree Capital Management, L.P. made a significant investment in System One.

July 2020

System One Acquires Syneos Health Contingent Staffing

Syneos Health Contingent Staffing Logo

Joulé, a System One division, enhances clinical workforce solutions capabilities by acquiring Syneos Health’s Contingent Staffing business. The acquisition cements Joulé’s clinical footprint.

July 2020

System One Acquires Level 5 Consulting Engineers

level 5 consulting engineers

MOUNTAIN, LTD., a System One division, announces acquisition of Level 5 Consulting Engineers, architecture & engineering provider. The wholly-owned subsidiary will operate as MOUNTAIN, LTD. Engineering with offices in New Braunfels, TX and Houston, TX.

August 2019

System One Acquires Cohesion

Cohesion Logo

ALTA IT Services acquired IT workforce solutions firm Cohesion, with offices in Cincinnati and Baltimore. Cohesion delivers workforce solutions and agile consulting services to the government and private sectors, including infrastructure, application support, business intelligence, quality assurance and software testing, and agile consulting.

July 2019

System One Acquires The Rowland Group

The Rowland Group Logo

Acquired engineering, IT, and finance & accounting staffing firm, The Rowland Group, to expand our presence in Tulsa and Houston. The Rowland Group is a professional recruiting firm that provides businesses with hiring solutions in a wide variety of customized hiring solutions, including contract, contract-to-hire, and direct-hire.

September 2018

System One Acquires TPGS


Acquired government contractor TPGS to strengthen GAP Solutions’ capabilities. TPGS provides customized mission-critical intelligence services and support with rapid response, proven talent, and exceptional service. They deliver cleared teams of qualified IT professionals to the Department of Defense and federal clients.

August 2018

System One Acquires NTP Wireless

NTP Wireless Logo

Acquired wireless telecom company NTP Wireless to reinforce the MOUNTAIN, LTD. team. NTP Wireless specializes in site acquisition services including site identification, permitting, leasing, and zoning services. They offer custom infrastructure solutions focused on expanding mobility coverage and increasing network capacity.

July 2018

System One Acquires Transformer Repair Utility Services


Acquired Transformer Repair Utility Services (TRUS), a utilities services firm, to expand capabilities of Utility Partners of America (UPA). As part of the agreement, TRUS operates under UPA.

January 2018

System One Acquires juvo Telecom

juvo Telecom Logo

Acquired wireless telecom company juvo Telecom to reinforce the MOUNTAIN, LTD. team. juvo Telecom is a fully-integrated wireless engineering services company. Dedicated to the rapid evolution of the mobile communications industry, juvo specializes in site development, project management, program management, consulting, and staffing solutions.

February 2017

System One Acquires GAP Solutions

GAP Logo

Acquired government services company GAP Solutions. GAP delivers mission-critical outsourcing, process management, and supply chain management to their Defense and federal civilian customers.

January 2017

System One Acquires TeamPeople

TeamPeople Logo

Acquired multimedia services firm TeamPeople to strengthen our foothold in the Creative & Digital space. TeamPeople is a trusted advisor providing multimedia, engineering, and AV consulting services to the best-known and well-respected organizations in the world.

January 2016

Thomas H. Lee Partners Invests in System One

Thomas H. Lee Partners Logo

Thomas H. Lee Partners, L.P. made a significant investment in System One.

November 2015

System One Acquires Precision Resource Company

Precision Resource Company Logo

Boosted energy reach with acquisition of Precision Resource Company. Precision provides engineering, project management, and technical support to the power and energy industries. They became a wholly-owned subsidiary of System One Holdings, LLC, and will operate in alignment with System One’s energy division.

January 2015

System One Acquires AECOM’s Quality Programs

Aecom Logo

Acquired Quality Programs from AECOM. Quality Programs was integrated into System One’s Quality Solutions practice to provide a full spectrum of workforce solutions and quality engineering, product assurance, asset integrity, inspection, and testing services.

January 2015

System One Acquires ALTA IT Services

ALTA IT Services Logo

Significantly enhanced IT reach by acquiring ALTA IT Services, an established leader in IT staffing and consulting services for government, commercial, and non-profit enterprises in the Washington, DC metro area.

January 2013

System One Acquires MOUNTAIN, LTD.


Acquired MOUNTAIN, LTD., a global engineering services provider specializing in the telecommunications industry. With 40 years of industry expertise and a national footprint, MOUNTAIN offers rapid deployment of end-to-end, scalable solutions in OSP, ISP, and Wireless engineering without compromising quality and security.

January 2013

System One Acquires Joulé

System One Acquires Joulé

Acquired Joulé Inc. and subsidiaries to gain synergies in the Life Sciences industry. Joulé consists of multiple business lines working together for client success: scientific, clinical, and healthcare staffing, plus equipment services.

January 2012

MidOcean Partners Invests in System One

MidOcean Partners Logo

MidOcean Partners made a significant investment in System One.

January 2011

System One Acquires Link2Consult VMS

Link2Consult Logo

Acquired the Link2Consult technology platform, which delivers complete workforce procurement through a flexible Vendor Management System (VMS).

January 2011

System One Acquires Compliance Discovery Solutions

Compliance Logo

Re-established roots in the legal market with acquisition of Compliance Discovery Solutions. Compliance is an ISO 27001 certified eDiscovery services and managed review provider, as well as the innovator of Discovery-as-a-Service (DaaS). They help corporate legal departments and their outside counsel manage critical and complex legal matters.

January 2009

System One Acquires Utility Partners of America

System One Acquires Utility Partners of America

Acquired Utility Partners of America (UPA), expanding reach in the energy industry. UPA provides project management, construction management, operations, maintenance, and professional services.

January 2008

Management Buyout

System One launched as an independent staffing agency with divestiture of engineering and technical practices from Hudson Highland Group