ESGI

What ESGI does

Energy Services Group International (ESGI) is a privately held professional staffing and consulting firm founded in 1983 by five co-founders in Williamsburg, Virginia, now headquartered in an 85,000-square-foot facility in Toano, Virginia. The firm specializes in placing contract, contract-to-hire, and direct-hire engineers, technical professionals, and IT/cybersecurity personnel at U.S. power producers — nuclear (both PWR and BWR), fossil, and hydro plants — along with electric transmission and distribution operators, government facilities (notably Savannah River and other national laboratories), and engineering, procurement, and construction firms. Beyond labor placement, ESGI administers payrolling and benefits for its deployed workforce and runs an Engineering and Technical Consulting Division that dispatches subject-matter experts for managed tasks and facility-performance engagements. The company also markets cybersecurity services including 24/7 SOC operations, vulnerability assessment, penetration testing, and regulatory compliance mapping under NIST and NERC-CIP frameworks.

There is no proprietary technology platform underlying ESGI's offering; the company's competitive basis is its 30+ year recruiter network, domain fluency in regulated power-generation environments, and long-tenured contractor relationships supported by a comprehensive benefits program. The go-to-market is sales-led, combining direct engagement with utility HR departments and coordination through Managed Service Providers (MSPs). Pricing is quote-based and varies by position, contract length, and account volume, with multi-year engagements typical. ESGI reports approximately $100 million in revenue, employs 400+ people at job sites nationally, and manages benefits for over 700 field employees plus 35 staff. Co-founder Tom Gillman continues to lead the firm as President and CEO, with senior staff holding 15–30+ year tenures across finance, HR, recruiting, and operations. The company has executed organic adjacent expansions over time — IT and cybersecurity staffing (2013–2016), the Engineering and Technical Consulting Division (2013–2016), and a recent Dallas-Fort Worth regional office — while remaining privately held with no disclosed funding rounds, acquisitions, or M&A activity.

Name

ESGI

Legal name

Energy Services Group International

Website

https://esgi.net

Company type

Private

Founded year

1983

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Energy Services Group International (ESGI) is a U.S.-based staffing and consulting firm founded in 1983, providing contract engineers, IT, and cybersecurity professionals to nuclear, fossil, and hydro power producers, utilities, EPC firms, and government agencies nationwide.

Ownership category

akta.pro rank

Headquarters

HQ city

Toano

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Infrastructure, Technology or R&D, Others

Revenue model

1. Staffing Services: Contract and contract-to-hire staffing for engineering and IT professionals serving power generation plants, utilities, and industrial clients across the United States.
2. Payrolling Services: Payrolling services for contractors, handling payroll, benefits, direct deposit, and insurance administration.
3. Engineering and Technical Consulting: Expert consulting services including cybersecurity, facility performance improvement, and technical expertise deployment.

Pricing tiers

Go-to-market motion2 records

Distribution channels2 records

Marketing channels3 records

Core offering

ESGI is a professional staffing and consulting firm that supplies ready-to-work engineering, IT, and cybersecurity contractors to power generation utilities (nuclear, fossil, hydro), transmission and distribution operators, and government facilities. It offers contract, contract-to-hire, and direct hire placements, plus payrolling, engineering/technical consulting, and managed cybersecurity services including 24/7 SOC monitoring and NERC-CIP/NIST compliance mapping.

Product overview

ESGI is a full-service professional staffing and consulting company for engineering and IT positions in the energy industry. The company offers a portfolio of staffing solutions (contract, contract-to-hire, and payrolling) across energy and IT domains, complemented by cybersecurity consulting services and engineering/technical consulting. The core offerings include Energy Staffing Services for power plants (nuclear, fossil, hydro), IT Staffing Services for technology positions, Cyber Security Services including 24/7 SOC monitoring and compliance assessments, and Engineering and Technical Consulting for facility performance improvement. These services work together to provide clients with flexible access to experienced professionals who maximize safety, performance, and reliability of energy facilities.

Differentiator

Problem solved

Functional benefit

Products and services

• Energy Staffing Services
• IT Staffing Services
• Cyber Security Services
• Engineering and Technical Consulting

Quantifiable outcome

• Nearly $100 million in revenue demonstrating operational scale and market presence

Named customers7 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Scale indicators4 records

Recent moves8 records

Expansion highlights5 records

Broad incumbents

• AECOM: Global engineering services firm with a large energy and infrastructure practice. Comparable to ESGI because both deliver engineering professionals and consulting services to power, T&D, and government energy clients — just at vastly different scales.
• KBR: Large engineering, technical, and scientific services company serving energy, government, and technology customers. Directly comparable to ESGI in providing technical staffing and engineering consulting to energy and federal clients.
• ManpowerGroup: Global workforce solutions provider serving engineering, IT, and energy clients. Comparable to ESGI in providing contract/temp staffing across technical and professional roles, including to utilities.
• Kelly Services: Global staffing provider with strong engineering and professional staffing lines. Relevant peer because Kelly serves similar enterprise and government customers with contract staffing in technical and engineering categories.
• AtkinsRéalis: Engineering services and project management firm (formerly SNC-Lavalin) serving nuclear, power, and infrastructure. Comparable to ESGI in delivering specialized engineering and technical consulting into the same energy customer base.
• Westinghouse Electric Company: Nuclear power services and technology provider. Overlaps with ESGI's nuclear-focused staffing practice and fuels the same nuclear-skilled labor pool ESGI recruits from.
• Robert Half: Major staffing and professional services firm. Relevant as a competitor in technical, IT, and professional contract staffing at the enterprise level where ESGI also places talent.

Emerging players

• Framatome: Nuclear services and fuel-cycle company that taps the same nuclear-qualified contractor pool ESGI serves. Competes for nuclear talent and outage-services work and shares BWR/PWR domain overlap.
• BWXT: Nuclear components and services firm with significant DOE/national-lab exposure. Comparable to ESGI's federal nuclear and national-lab staffing engagements and competes for the same cleared technical talent.

Direct peers

• Insight Global: Large private staffing firm providing IT, engineering, and professional talent. Competes with ESGI in IT and engineering staffing for enterprise and utility clients and matches its contract/contract-to-hire/direct-hire delivery model.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/ESG_Intl
• Facebookfacebook.com/EnergyServicesGroup

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about ESGI