Resources US Small Business Administration Office of Women's Business Ownership, 415-205-6673 Online Women's Business Center. Women's Network for Entrepreneurial Training (WNET), 415-744-8491 San Francisco Women in Business Roundtable. PowerShare Renaissance Entrepreneurship Center in San Francisco. East Bay Women's Network. Women in Technology International, East Bay Chapter, 510-547-5145 Professional BusinessWomen of California (PBWC), 650-548-2424