Leis-E3S LLC

Company facts

Self-certified in SAM.gov

• Minority Owned Business
• For Profit Organization
• Veteran Owned Business
• Small Business Joint Venture
• Service-Disabled Veteran-Owned Business Joint Venture
• Limited Liability Company
• Black American Owned
• Service Disabled Veteran Owned Business

Entity structure

Partnership or Limited Liability Partnership

Other NAICS codes in SAM.gov

• 236118 Residential Remodelers
• 237110 Water and Sewer Line and Related Structures Construction
• 237120 Oil and Gas Pipeline and Related Structures Construction
• 237130 Power and Communication Line and Related Structures Construction
• 237310 Highway, Street, and Bridge Construction
• 237990 Other Heavy and Civil Engineering Construction
• 238210 Electrical Contractors and Other Wiring Installation Contractors
• 238220 Plumbing, Heating, and Air-Conditioning Contractors

Show all 21

• 238290 Other Building Equipment Contractors
• 333120 Construction Machinery Manufacturing
• 423320 Brick, Stone, and Related Construction Material Merchant Wholesalers
• 541330 Engineering Services
• 541511 Custom Computer Programming Services
• 541512 Computer Systems Design Services
• 541513 Computer Facilities Management Services
• 541519 Other Computer Related Services
• 541611 Administrative Management and General Management Consulting Services
• 541690 Other Scientific and Technical Consulting Services
• 541990 All Other Professional, Scientific, and Technical Services
• 562211 Hazardous Waste Treatment and Disposal
• 624230 Emergency and Other Relief Services

Corporate family

• SC Branch Parent End To End Enterprise Solutions, LLC · Alexandria, VA CT49EMG48HQ7
  • Leis-E3S LLC

SAM.gov registration date

May 11, 2026

Physical address

1800 Diagonal Rd #600, Alexandria, VA 22314, USA

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated Jun 8, 2026.