Interior Systems, Inc.

Leesburg, VA Doing business as ISI Professional Services

UEI
RNHBDCBFX1N7
CAGE
0ZVV4
Primary NAICS
541611 Administrative Management and General Management Consulting Services
SAM.gov registration
Active through

Company facts

Self-certified in SAM.gov
  • For Profit Organization
  • Veteran Owned Business
  • Service Disabled Veteran Owned Business
Entity structure
Corporate Entity (Not Tax Exempt)
NAICS codes registered in SAM.gov
Show all
Corporate family
SAM.gov registration date
Physical address
215 Depot Ct SE Unit 216, Leesburg, VA 20175, USA
Website
isiwdc.com
Founded
1991
Employees
51-250
Estimated annual revenue
$10M-$50M
Industry
  1. Industrials
  2. Commercial & Professional Services
  3. Professional Services
  4. Consulting
SIC code
87 Engineering & Management Services
Profiles

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .

Recent federal awards

Interior Systems, Inc.'s 5 most recent federal contract and grant awards, newest first. Amounts are dollars obligated.
Award Agency Obligated Awarded
Real estate support transaction services for danville VA cemetery expansion Contract · 36C10F26N0058 VA Office of Construction and Facilities Management $25,600
Huntington, WV drive parking easement Contract · 36C10F26N0021 VA Office of Construction and Facilities Management $14,450
The general contractor shall provide all labor, materials, equipment, qualified supervision, and other items to complete… Contract · 36C77626F0018 VA Technology Acquisition Center $653,888
Exercise option period two. Multiple award BPA for real estate transaction support. Contract · 36C10F25N0059 VA Office of Construction and Facilities Management $147,050
Roseburg due diligence Contract · 36C10F25N0042 VA Office of Construction and Facilities Management $2,600

About Interior Systems, Inc.

Interior Systems, Inc., doing business as ISI Professional Services, a Service-Disabled Veteran-Owned Small Business headquartered in Sterling, Virginia, operates as a prime contractor delivering real estate transaction support, construction management, facilities management, and interior systems program support services to the federal government, with 1,006 total awards spanning 84 customer agencies and a combined potential value of $2.05 billion. Interior Systems competes 100% as a prime contractor (no subcontractor activity in the portfolio) and deploys SDVOSB set-asides across the majority of its Department of Veterans Affairs work while pursuing full-and-open competition on GSA Schedule deliveries and National Park Service contracts.

The vendor's customer concentration is heavily tilted toward the Department of Veterans Affairs. The VA Office of Construction and Facilities Management accounts for 122 awards and $248.4 million in combined potential value (12% of the portfolio's total potential value), anchored by a $130 million multiple-award Blanket Purchase Agreement for real estate transaction support services that runs through August 2028. GSA's Federal Acquisition Service (33 awards, $98.9 million) and Public Buildings Service (130 awards, though valued at only $288 thousand combined) comprise the second and third largest customer relationships by award volume but diverge sharply in dollar concentration—Public Buildings Service places numerous small furniture and supply orders while FAS concentrates higher-value professional services work. The VA Headquarters (10 awards, $11.8 million) and GSA's Public Buildings Service National Capital Region (22 awards, $9.9 million) round out the top five. Together, these five customer entities account for 18% of combined potential value across the portfolio.

Interior Systems' service footprint spans multiple vehicle types. The GSA Multiple Award Schedule carries 230 task orders valued at $219.2 million combined potential value, representing the largest single vehicle by task-order count and volume. The Comprehensive Furniture Management Services vehicle (127 task orders, $3.3 million) and Mission Oriented Business Integrated Services (113 task orders, $16.7 million) reflect the vendor's diversified service delivery across federal agencies. The VA CFM RPS Real Estate Broker Services 2016–2018 BPA generated 79 task orders with $37.9 million combined potential value. Recent representative work includes a $2.22 million SDVOSB delivery order from the VA Technology Acquisition Center (May 2026) for construction management services supporting EHRM infrastructure upgrades at the Lake City, Florida Veterans Affairs Medical Center through May 2029; a $623,417 BPA call from the VA Office of Construction and Facilities Management (September 2024) for IMS program support services; and a $1.054 million delivery order from the Department of Health and Human Services Office of the Inspector General (September 2023) for comprehensive space support services in Washington, DC, under the GSA Multiple Award Schedule. Real estate transaction support work includes multiple due-diligence calls ($38,500 to $532,790 ceiling) across the VA's proposed Fisher House and facility acquisition portfolio at locations from Roseburg, Oregon to Chelmsford, Massachusetts.

Activity has declined materially in the most recent fiscal years. Awards peaked at 18 in 2024, dropped to 4 in 2025, and stood at 1 in 2026 (through May); the trajectory suggests pipeline contraction or a shift in customer procurement patterns. Only 8 awards (combined potential value $1.6 million) face ultimate completion inside the next twenty-four months, which creates minimal recompete pressure but also signals a narrowing forward workload. Service Contract Inventory data for prime contracts shows federal service invoicing of $12.1 million in FY2022, $7.6 million in FY2023, and $2.5 million in FY2024, with reported FTE delivery declining from 79.6 in FY2022 to 20.9 in FY2024—trends consistent with the declining award velocity. On SCI-reportable federal service contracts, government-paid median hourly rates ran around $116.76/hr, with senior roles pricing through $167.77/hr at the 90th percentile. Across its prime GSA Schedule portfolio, Interior Systems posts 74 active labor categories spanning $42.43–$368.26/hr, with representative positions including Program Analyst ($86.76/hr), Project Management Consultant ($121.04/hr), and Management Consultant ($147.28/hr), reflecting a mid-market professional-services profile without security-cleared offerings.

Interior Systems operates through three named subsidiaries: I D Services LLC, Precedent Solutions LLC, and ISI-Markon JV LLC, all structured as service-disabled veteran-owned business joint ventures. Across SCI-reportable prime contracts, Interior Systems subcontracts an average of 18% of contractor hours to a roster of 23 named subcontractors, indicating a hybrid delivery model that builds internal capacity while leveraging specialized subs for defined work packages. The vendor's corporate structure preserves SDVOSB certification across both parent and subsidiary entities, a posture that anchors pricing strategy and customer preferences within the VA's socioeconomic set-aside programs.

Contract vehicles

SBA capabilities narrative

ISI Professional Services is a Virginia-based consulting firm offering our federal and commercial clients a comprehensive range of services nationwide. ISl's core competencies include: Program & Project Management, Construction Management, Acquisition Consulting, Logistics Support Services, and a wide range of Professional & Administrative Support Services. ISI integrates our diverse capabilities, extensive experience and expertise to deliver client-focused results. As a Service-Disabled Veteran-Owned Small Business, we are uniquely able to respond anywhere and anytime; and, as our nearly 30-year history illustrates, our deeply rooted relationships and success offer a low-risk solution to existing and emerging needs.

ISI's vision is to be our customers' preferred vendor, across our spectrum of services, by delivering dynamic customer value while constantly striving for improvement and exerting organizational excellence.

Quick answers

What is Interior Systems, Inc.'s UEI?

Interior Systems, Inc.'s Unique Entity ID (UEI) in SAM.gov is RNHBDCBFX1N7.

What is Interior Systems, Inc.'s CAGE code?

Interior Systems, Inc.'s CAGE code is 0ZVV4.

What is Interior Systems, Inc.'s primary NAICS code?

Interior Systems, Inc.'s primary NAICS code is 541611 (Administrative Management and General Management Consulting Services).

Where is Interior Systems, Inc. located?

Interior Systems, Inc.'s physical address in SAM.gov is 215 Depot Ct SE Unit 216, Leesburg, VA 20175, USA.

Is Interior Systems, Inc. registered in SAM.gov?

Yes. Interior Systems, Inc.'s SAM.gov registration is active through September 17, 2027.

Which contract vehicles does Interior Systems, Inc. hold?

Interior Systems, Inc. holds a place on 9 federal contract vehicles, including MOBIS, MAS and Real Estate Transaction Support.

What is Interior Systems, Inc.'s most recent federal award?

Interior Systems, Inc.'s most recent federal contract award is Real estate support transaction services for danville VA cemetery expansion (36C10F26N0058), from VA Office of Construction and Facilities Management, on September 22, 2026.

On GovTribe

See Interior Systems, Inc.'s full federal record

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