HEC Design LLC

Company facts

Self-certified in SAM.gov

• Self Certified Small Disadvantaged Business
• For Profit Organization

Entity structure

Corporate Entity (Not Tax Exempt)

Other NAICS codes in SAM.gov

• 237310 Highway, Street, and Bridge Construction
• 237990 Other Heavy and Civil Engineering Construction
• 541340 Drafting Services
• 541350 Building Inspection Services
• 541360 Geophysical Surveying and Mapping Services
• 541370 Surveying and Mapping (except Geophysical) Services
• 541410 Interior Design Services
• 541420 Industrial Design Services

Show all 12

• 541430 Graphic Design Services
• 541490 Other Specialized Design Services
• 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
• 541990 All Other Professional, Scientific, and Technical Services

SAM.gov registration date

Aug 7, 2025

Physical address

1602 W Diamond St, Philadelphia, PA 19121, USA

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated May 19, 2026.