ANGARAI Certifications and NAICS Codes
HUBZone U.S. Small Business Administration
MDOT MBE / DBE / SBE Maryland Department of Transportation
eMMA SBR Maryland Department of General Services (DGS) Small Business Reserve
DelDOT DBE Delaware Department of Transportation
NY MTA DBE New York State Metropolitan Transport Authority 
NC HUB North Carolina Office for Historically Underutilized Businesses 
MARTA DBE Metropolitan Atlanta Rapid Transit Authority 
JTA DBE Jacksonville Transportation Authority 
WMATA DBE Washington Metropolitan Area Transit Authority
MWAA DBE & SLBE Metropolitan Washington Airports Authority
WSSC SLBE Washington Suburban Sanitary Commission
CRMSDC MBE Capital Region Minority Supplier Development Council
PGC MBE/CBSB Prince George's County Office of Central Services
HC EBO MBE Howard County Office of Procurement & Contract Administration
NAICS codes
236210    Industrial Building Construction
236220    Commercial & Institutional Building Construction
237110    Water & Sewer Line & Related Structures Construction
237310    Highway, Street, and Bridge Construction
237990    Other Heavy and Civil Engineering Construction
238120    Structural steel & Precast Concrete Contractors
238130    Framing Contractors
238140    Masonry Contractors
238160    Roofing Contractors
238170    Siding Contractors
238190    Other Foundation, Structure and Building Exterior Contractors
238210    Electrical and Other Wiring Installation Contractors
238310    Drywall and Insulation Contractors
238320    Painting and Wall Covering Contractors
238330    Flooring Contractors
238340    Tile and Terrazzo Contractors
238350    Finish Carpentry Contractors
238390    Other Building Finishing Contractors
238910    Site Preparation Contractors
238990    All Other Specialty Trade Contractors
541330    Engineering Services
541430    Graphic Design 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
541612    Human Resources Consulting Services
541614    Process, Physical Distribution and Logistics Consulting Services
541618    Other Management Consulting Services
541620    Environmental Consulting Services
541690    Other Scientific and Technical Consulting Services
541720    Research and Development in the Social Sciences and Humanities
541990    All Other Professional, Scientific and Technical Services
561110    Office Administrative Services
561320    Temporary Help Services
561439    Other Business Service Centers (including Copy Shops)
561499    All Other Business Support Services
611430    Professional and Management Development Training
611699    All Other Miscellaneous Schools and Instruction
813910    Business Associations
813910    Other Similar Organizations (except Business, Professional, Labor and Political Organizations)