City Attorney subpoenas business, nonprofits in public corruption investigation

The city attorney has subpoenaed records from eight companies and nonprofits as part of the ongoing investigation into alleged corruption in the San Francisco Public Works department. City Attorney Dennis Herrera announced the subpoenas Wednesday as part of a joint public corruption investigation with City Controller Ben Rosenfield. Subpoenas are being served to utility PG&E; construction firms Webcor, Pankow and Clark Construction, recycling company Recology and to three nonprofits: Lefty O’Doul’s…