County of Los Angeles
Vendor Registration Questions.
VendorRelations@isd.lacounty.gov
(323) 267-2725
Doing Business with Los Angeles County
https://doingbusiness.lacounty.gov/
Vendor Registration
https://camisvr.co.la.ca.us/webven/
Open Solicitations
https://doingbusiness.lacounty.gov/open-solicitations/
Department of consumer and Business Affairs
https://dcba.lacounty.gov/