Singer Associates Public Relations and Public Affairs San Francisco is the leading public relations, crisis communications and public affairs agency in California. Singer Associates works for some of the nation's leading corporations, trade associations, government agencies, cultural institutions, and non-profits. There expertise in energy and the environment, transportation, healthcare, housing, litigation communications, politics, labor relations, land use entitlements, real estate development, recycling, public affairs, public relations and crisis communications makes us the ‘go to’ agency in the San Francisco Bay Area and the State.