Contract Vehicles

Vehicles

GSA MAS
OASIS+ M&A
GSA 8(a) STARS III
MDA SHIELD
NASA SEWP

GSA Multiple Award Schedule

Our primary ordering vehicle for professional services. Seventeen Special Item Numbers span management consulting, marketing and outreach, public relations, marketing research, HR consulting, IT support, and engineering services. Available to federal civilian, DoD, and under GSA Cooperative Purchasing to state and local governments.

47QRAA21D006R

Oasis+

GSA’s governmentwide Best-in-Class vehicle for complex professional services. Windsor Group LLC holds four of the small-business set-aside pools under the Management & Advisory domain, giving a buying agency the right socioeconomic award path on nearly any set-aside preference.

47QRCA25DS749 (SB)

47QRCA24DV358 (SDVOSB)

47QRCA24DW352 (WOSB)

47QRCA25DA044 (8a)

GSA 8(a) STARS III

47QTCB21D0182

MDA SHIELD

Missile Defense Agency’s advisory and assistance MATOC, awarded 2026. Supports MDA mission areas through engineering, technical, management, and professional services. Windsor Group LLC holds a prime position on the small-business track.

HQ085926DG132

NASA SEWP

NASA’s Solutions for Enterprise-Wide Procurement is the government’s go-to GWAC for IT products and product-based services. Windsor Group LLC is pursuing a prime position; our Ordering Guide and Contract Holder (CH) Info page is published below and will be populated with the contract number, group, and ordering terms immediately upon award.

The Windsor Difference

In 2024, Windsor Group LLC achieved remarkable milestones, earning spots on the Fast 50, Vet 100, and Inc. 5000 lists, celebrating its growth and leadership as a veteran-owned business.

The company was also recognized by the Washington Business Journal’s Fastest Growing Companies and Corporate Philanthropy Awards, showcasing its commitment to both business excellence and community impact.

Insights

Windsor Group LLC Earns Fifth Consecutive Ranking on Inc. Regionals Mid-Atlantic List

Bethesda, MD – Windsor Group LLC proudly announces its recognition on the Inc. Magazine Regionals Mid-Atlantic list for the fifth consecutive year, earning the #35

Windsor Group LLC Awarded Spot on $151B Missile Defense Agency SHIELD Contract Vehicle

Windsor Group LLC is pleased to announce it has been awarded a contract under the Missile Defense Agency‘s (MDA) Scalable Homeland Innovative Enterprise Layered Defense

Windsor Group LLC Achieves a Trifecta of ISO Certifications

Windsor Group LLC is proud to announce the achievement of a trifecta of ISO certifications – ISO/IEC 9001, 20000-1, and 27001. Together with the company’s

Program & Project Management

Integrated Call & Contact Center

Technical Advisory

Staff Augmentation

IT Support Services

Marketing & Outreach

Windsor Careers

Your Future Starts Here

At Windsor, we believe in fostering a culture of growth and collaboration. Join a team where your skills are valued, your ideas matter, and your career aspirations can thrive.

Whether you’re just starting out or looking to take your expertise to the next level, Windsor offers opportunities to make a meaningful impact in a dynamic and supportive environment.

Contract Vehicles

GSA MAS
– 47QRAA21D006R
Oasis+
– 47QRCA25DS749 (SB)
– 47QRCA24DV358 (SDVOSB)
– 47QRCA24DW352 (WOSB)
– 47QRCA25DA044 (8a)
GSA 8(a) STARS III. 47QTCB21D0182
MAS 8(a) Pool. Sole Source & Competitive
MDA SHIELD. HQ085926DG132

Company Info

NAICS

541611 Primary
541519
541612
541618
561110
561320
561990
611430

Joint Venture

360 Innovative Solutions LLC

Mentor-Protégé

1 Everest Group

info@windsorgroup-llc.com
240-600-0149
Based in Bethesda, MD

What we do

Staffing
Health & Social Sciences
Project & Program Management
Data Analytics & Science
IT Support
Human Resources
Training

Industries

Defense / Military
Government
Local Entities
Business

Why WG?

Customer
Perspectives
Recognition
Industry Analysis
Case Studies

Partners

Technology
Partners
Become a Partner

Joint Venture

Lorem
Ipsum

Who We Are

About
History
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Vendor Info
Contract Vehicles
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Life @ WG
Apply Now

NAICS

541611 Primary
541519
541612
541618
561110
561320
561990
611430

Company Info

CAGE. 62D24
UEI. PMLRMMNK8Y95
8(a). through July 28, 2029
SBA. SDVOSB, EDWOSB & WOSB
Maryland. VSBE, SBE, MBE & DBE
WBENC. WBE
GSA MAS
– 47QRAA21D006R
– 47QRAA21D006S
Oasis+
GSA 8(a) STARS III
MAS 8(a) Pool

Contact

Windsor Group LLC provides Staffing, Project Management, IT, HR, and training solutions.

Contact
News
Media

240-600-0149

CAGE. 62D24
UEI. PMLRMMNK8Y95
8(a). through July 28, 2029
SBA. SDVOSB, EDWOSB & WOSB
Maryland. VSBE, SBE, MBE & DBE
WBENC. WBE
Certifications. ISO 9001, 20000-1, 27001; CMMI/SVC ML3
GSA MAS
– 47QRAA21D006R
Oasis+
– 47QRCA25DS749 (SB)
– 47QRCA24DV358 (SDVOSB)
– 47QRCA24DW352 (WOSB)
– 47QRCA25DA044 (8a)
GSA 8(a) STARS III. 47QTCB21D0182
MAS 8(a) Pool. Sole Source & Competitive
MDA SHIELD. HQ085926DG132