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

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

Windsor Group LLC Achieves a Trifecta of ISO Certifications

From Paratrooper to Powerhouse: Veteran-Owned Firm, Windsor Group LLC, Marks Fifth Consecutive Year on Inc. 5000 List of America’s Fastest Growing Private Companies

Windsor Group LLC lands 5th consecutive year on the Inc. 5000

Windsor Group LLC Named to Inc. Regionals Mid-Atlantic for Fourth Consecutive Year, Climbing to #12 in 2025 Rankings

Diedre L. Windsor Honored as One of the Top 100 Women in Maryland

Diedre Windsor Honored with Entrepreneur Leadership Award at the 2025 BEYA STEM Conference

Windsor Group LLC Awarded a Spot on GSA’s OASIS+ Contract Vehicle

Windsor Group LLC Founder & CEO, Diedre L. Windsor, Recognized as the #1 ‘Woman to Watch’ by Women Presidents Organization

Windsor Group LLC Named to the 2024 Vet100 List

Windsor Group LLC Ranks #5 Among the Fastest Growing Women-Owned/Led Companies by Women’s President’s Organization

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.

Contact Us Today!
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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

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

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

© 2026 Windsor Group LLC. All Rights Reserved. Developed by Mark Bohay Consulting LLC.

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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
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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

© 2026 Windsor Group LLC. All Rights Reserved. Developed by Mark Bohay Consulting LLC.

Facebook-f Twitter Linkedin-in Instagram

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