National Society of Hispanic MBAs - San Diego Chapter
- Professional organization fostering Hispanic leadership through graduate management education and professional development.
- http://sandiego.nshmba.org/

San Diego Regional Clean Cities Coalition
- A network of volunteer, community-based coalitions, which develop public/private partnerships to promote the use of alternative fuels and alternative fuel vehicles, expand the use of fuel blends, encourage the use of fuel economy practices, and adva
- http://www.sdrafvc.org

Sales and Marketing Council of San Diego
- Organization encouraging business relationships, educational programs, community service and recognition with awards.
- http://www.smcsd.com/

San Diego Citizens' Budget Project
- Grassroots project involving taxpayers, civic leaders and nationally recognized experts with a mission of evaluating the size and scope of the City of San Diego's short-term budget deficit and long-term liabilities.
- http://www.sandiegobudget.org/

Meeting Professionals International, San Diego Chapter
- Industry association for meeting and event planners. Includes member information and job bank.
- http://sdmpi.org

Food and Beverage Association of San Diego County
- Serving San Diego restaurants and bars with various services and resources.
- http://foodnbeverage.org/

East County Economic Development Council
- An alliance of representatives from business, government, and education working to promote successful business activity in San Diego's east county.
- http://www.eastcountyedc.org/

North County Referrals
- Business networking organization. Includes membership roster.
- http://www.northcountyreferrals.org/

San Diego County Hispanic Chamber of Commerce
- Meetings, membership, events, vendor outreach, and links.
- http://www.sdchcc.com/

South County Economic Development Council
- Promotes economic development and bi-national business in the South County area; advocates the area's public and private interests. News, events, and information about the region.
- http://www.sandiegosouth.com/

San Diego BSD Users Group
- Support for FreeBSD, an advanced operating system for Intel ia32 compatible, DEC Alpha, and PC-98 architectures. Meetings, reports, and contacts.
- http://www.sdbug.org/

American Society of Landscape Architects - San Diego Chapter
- Offering an events calendar, chapter news, links to local firms, and project profiles.
- http://www.asla-sandiego.org/

San Diego Ad Club
- Association of advertising professionals including advertising agencies, marketing directors, media companies, consultants, freelancers and advertising students. Event calendar, club history, job opportunities, and corporate membership roster.
- http://www.sandiegoadclub.com/

San Diego County Flower and Plant Association
- Trade organization for local commercial flower and potted plant growers. Product directory, member directory, news, events calendar, and membership information.
- http://www.flowerandplant.org/

Association for Computing Machinery - San Diego Professional Chapter
- Professional group serving the computer science community. News, future and past meetings, jobs, and membership information.
- http://www.sdacm.org/

Tipsters of San Diego
- Group that exchanges business leads and referrals.
- http://tipstersofsandiego.com

San Diego East County Regional Chamber of Commerce
- Promoting business in El Cajon, La Mesa and throughout eastern San Diego County.
- http://www.eastcountychamber.org/

San Diego Booksellers Association
- Features map showing county booksellers. Clicking on an area of the map brings up information about the bookstores in that area.
- http://www.sdbooks.org/

San Diego Regional Chamber of Commerce
- The Chamber offers unprecedented benefits, discounts, and opportunities to make San Diego businesses prosperous.
- http://www.sdchamber.org/

BIOCOM / San Diego
- Local chapter of this trade association for the life science industry. Includes information about events, public policy, professional development, joint purchasing, and membership.
- http://www.biocom.org/

San Diego Software Industry Council
- Promotes the software industry in the San Diego area. Events, members, and monthly newsletter.
- http://www.sdsic.org/

San Diego Better Business Bureau
- Works to advance market integrity through business self-regulation, to assist in resolving disputes, and to correct abuses. Includes information about company inquiries, charities, and filing complaints.
- http://www.sandiego.bbb.org/