AB Keystone LLC

Company facts

Self-certified in SAM.gov

• Minority Owned Business
• Self Certified Small Disadvantaged Business
• For Profit Organization
• Woman Owned Small Business
• Woman Owned Business
• Black American Owned

Entity structure

Partnership or Limited Liability Partnership

Other NAICS codes in SAM.gov

• 236210 Industrial Building Construction
• 237110 Water and Sewer Line and Related Structures Construction
• 237310 Highway, Street, and Bridge Construction
• 237990 Other Heavy and Civil Engineering Construction

SAM.gov registration date

Oct 28, 2025

Physical address

8034 Sleepy View Ln, Springfield, VA 22153, USA

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated Nov 3, 2025.