A/HC is small, woman-owned business based in Oakland, California. We are certified as a DBE by the California Unified Certification Program, a SBE by the California Department of General Services, and a WBE by the CPUC Supplier Clearinghouse. For a complete list of certifications, including at the county and city level, please contact us.

541720 Archaeological research and development services; Historic and cultural preservation research and development services
541620 Environmental consulting services
712120 Archaeological sites (public display)