Government Grants: County Grants

Los Angeles - Office of Small Business
http://www.laosb.org/cgi-bin/contracting.cfm

Los Angeles County - Bids and Awarded Bids & Contracts
http://camisvr.co.la.ca.us/lacobids/

Los Angeles County Departments & Agencies
http://www.lacounty.info/departments.htm
As well as going to the previous sites, you may also want to directly contact the departments and agencies that deal with your services.