The Cornerstone Professional Group, LLC

Company facts

Self-certified in SAM.gov

• Minority Owned Business
• Self Certified Small Disadvantaged Business
• For Profit Organization
• DOT Certified DBE
• Limited Liability Company
• Black American Owned

Entity structure

Corporate Entity (Not Tax Exempt)

Other NAICS codes in SAM.gov

• 541512 Computer Systems Design Services
• 541513 Computer Facilities Management Services
• 541519 Other Computer Related Services
• 541611 Administrative Management and General Management Consulting Services

SAM.gov registration date

Dec 1, 2004

Physical address

6209 Mallet Dr, Mt Airy, MD 21771, USA

Website

cornerstone.llc

Founded

2004

Employees

1-10

Estimated annual revenue

$1M-$10M

Industry

1. Industrials
2. Commercial & Professional Services
3. Professional Services
4. Consulting

SIC code

87 Engineering & Management Services

Profiles

• LinkedIn

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated Jul 30, 2026.