Here is a list of resources related to American Sign Language and interpreting:
Registry of Interpreters for the Deaf (RID)
Northern California Registry of Interpreters for the Deaf (NorCRID)
National Association of the Deaf (NAD)
Street Leverage
Deaf Counseling Advocacy and Referral Agency (DCARA)
California School for the Deaf Events Listing
Gallaudet University
Berkeley City College
Ohlone College American Sign Language and Deaf Studies Program