Insights

SDVOSB Advantage As a Service-Disabled Veteran Owned Small Business with a stated Veteran Impact Program, ISI positions itself to win government or veteran-focused contracts requiring compliant vendors and veteran employment initiatives, presenting a clear pathway for defense, veterans affairs, and civilian agencies seeking SDVOSB partners.

Scale & Capability With 51-200 employees and a diversified service portfolio spanning program management, construction management, real estate and acquisition support, logistics, facility management, leadership development, and advisory services, ISI can be considered for mid to large scale projects across multiple functional workstreams.

Project Management Focus ISI emphasizes tailored workforce and project management solutions, offering an opportunity to upsell governance, PMO setup, staffing augmentation, and managed services for ongoing client programs seeking improved delivery, risk control, and outcomes.

Technology Stack Adoption of tools like monday.com and analytics platforms signals readiness for modern project execution, collaboration, and data-driven decision making, enabling sales conversations around digital transformation, workflow automation, and KPI tracking.

Financial Scale Revenue in the range of 100M to 250M indicates substantial client footprint and purchasing power, suggesting targeting larger RFPs, multi-year contracts, and enterprise-level service agreements with appropriate security and compliance considerations.

ISI Professional Services Tech Stack

ISI Professional Services uses 8 technology products and services including Microsoft Power Apps, Tableau, SAP, and more. Explore ISI Professional Services's tech stack below.

ISI Professional Services's Email Address Formats

ISI Professional Services uses at least 1 format(s):
ISI Professional Services Email FormatsExamplePercentage
FLast@isiwdc.comJDoe@isiwdc.com
96%
First.Last@isiwdc.comJohn.Doe@isiwdc.com
4%

Frequently Asked Questions

What is ISI Professional Services's phone number?

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You can contact ISI Professional Services's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is ISI Professional Services's official website and social media links?

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ISI Professional Services's official website is isiwdc.com and has social profiles on LinkedIn.

How much revenue does ISI Professional Services generate?

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As of July 2026, ISI Professional Services's annual revenue is estimated to be $100M - $250M.

What is ISI Professional Services's NAICS code?

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ISI Professional Services's NAICS code is 54 - Professional, Scientific, and Technical Services.

How many employees does ISI Professional Services have currently?

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As of July 2026, ISI Professional Services has approximately 73 employees across 2 continents, including North AmericaAsia. Key team members include Chief Operating Officer: W. R.Chairman: J. F.Managing Director, Business Development And Capture: C. N.. Explore ISI Professional Services's employee directory with LeadIQ.

What industry does ISI Professional Services belong to?

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ISI Professional Services operates in the Professional Services industry.

What technology does ISI Professional Services use?

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ISI Professional Services's tech stack includes Microsoft Power AppsTableauSAPBluebeamShopifyBarracuda Email ProtectionMicrosoft TeamsSAP Concur.

What is ISI Professional Services's email format?

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ISI Professional Services's email format typically follows the pattern of FLast@isiwdc.com. Find more ISI Professional Services email formats with LeadIQ.

When was ISI Professional Services founded?

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ISI Professional Services was founded in 1991.
ISI Professional Services logo

ISI Professional Services

Professional ServicesVirginia, United States51-200 Employees

ISI Professional Services is a mid-sized professional services firm based in Sterling, Virginia. With more than 30 years of experience, it provides mission-critical expertise across a broad range of functional and operational areas and offers tailored workforce and project management solutions to help clients achieve strategic goals. Its service lines include Program and Project Management, Construction Management, Real Estate Advisory Support, Acquisition Management, Logistics and Facility Management, Leadership Development, Business Advisory Services, and Coaching Services.

The firm emphasizes its people as a central asset, pursuing ongoing professional development and employee experience initiatives to foster a supportive culture and durable client outcomes. As a service-disabled veteran-owned small business, ISI supports military veterans through the Veteran Impact Program, which focuses on helping veterans transition into meaningful careers and ensuring their skills are recognized and valued.

Section iconCompany Overview

Phone number
Website
isiwdc.com
NAICS Code
54 - Professional, Scientific, and Technical Services
Founded
1991
Employees
51-200

Section iconFunding & Financials

  • $100M - $250M

    ISI Professional Services's revenue is estimated to be in the range of $100M - $250M

Section iconFunding & Financials

  • $100M - $250M

    ISI Professional Services's revenue is estimated to be in the range of $100M - $250M

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