Certifications and NAICS Codes

Certifications

US Small Business Administration (SBA) 8(A) Certification
SBA HUBZone Certification
SBA Small Disadvantaged Business Certification
WMATA and WMAA Certifications
MDOT/VDOT Certifications
National Minority Supplier Development Council Certification
Local Entity / Municipality Certifications


NAICS Codes

236210
Industrial Building Construction
236220
Commercial and Institutional Building Construction
541330
Engineering Services
562910
Remediation Services
562112
Hazardous Waste Collection
562211
Hazardous Waste Treatment and Disposal
541620
Enviromental Consulting
562211
Hazardous Waste Treatment and Disposal
237110
Water and Sewer Line and Related Structures Construction
237130
Utility Line Construction; Above Ground and Underground Cable Laying
562998
Sewer Cleaning and Rodding Services; Sewer Cleanout Service
926130
Licensing and Inspection of Utilities
238910
Site Preparation Contractors
561210
Facilities Support Services
238990
All Other Specialty Trade Contractors