Conferences include the STMA Conference & Exhibition; Electronic Imaging, a venture jointly sponsored by SPIE and the Society for Imaging Science & Technology; and SPIE Photonics West, North America's largest commercial exhibition on lasers, optics, biomedical optics, optoelectronic components and imaging technologies.

Events include the ATSSA Annual Convention & Traffic Expo, the User Generated Content Conference & Expo, and the SPIE Advanced Lithography convention.

March conferences and conventions include the IDC Directions conference, which is IDC's annual industry business briefing; The National Franchise & Business Opportunities Show; the Software and Systems Engineering Process Group, reputed for being the most influential Capability Maturity Model Integration (CMMI) conference; and the Embedded Systems Conference, which is known for bringing together a large community of technologists, designers, business leaders and suppliers.

The NCNA Celebration of Unity, a support-focused annual convention of the Northern California Region of Narcotics Anonymous; the North America Technology Symposium, hosted by Taiwan Semiconductor Manufacturing Company (TSMC), the world's leading semiconductor foundry; the Spring Style Show, a beauty convention featuring salon industry leaders and hosted by CosmoProf; and the California State PTA Convention, an annual event supporting education and child development.

FanimeCon, the largest anime convention in Northern California, draws over 10,000 attendees each to San Jose each May.

The HSMAI Affordable Meetings Conference that happens in San Jose each June is a unique trade show geared towards motivated meeting and event planners.

Events held in July include the North American Bengali Conference, which is an annual conference celebrating the Bengali culture; the Face & Body Conference, a spa & healthy aging conference and expo presented by Skin Inc. Magazine; the O'Reilly OSCON (Open Source Convention), a convention geared towards sustaining, applying and expanding open source; and the Northern California Supplier Development Council (NCSDC) Minority Business Expo.

The main conferences in August are the California School Employees Association (CSEA) Annual Conference and the Search Engine Strategies Conference & Expo, the leading global conference geared towards educating delegates on search engine marketing (SEM), including optimization (SEO), advertising strategies and best practices.

Events in September include the Annual World Congress on Anti-Aging Medicine and Regenerative Biomedical Technologies, as well as the Annual Conference of the League of California Cities.

San Jose's October calendar consists of the C.A.R. Business Meetings and California Realtor Expo, which is the state's largest real estate trade show; and the Air Medical Transport Conference, hosted by the Association of Air Medical Services.

Conferences for November include the International Symposium on Microelectronics, which is hosted by International Microelectronics and Packaging Society (IMAPS); the Advanced Visual Systems (AVS) International Symposium and Exposition; and the KMWorld & Intranets Conference, which offers a wide-ranging program focused on meeting the needs of executives and strategic business and technology decision makers.

December conferences and expositions include the Printed Electronics USA Conference, an exhibition and conference covering the application of printed electronics; the Parent Training Conference, an annual event hosted by the National Head Start Association; BIOMEDevice, an MD&M event, which is Northern California's conference and expo for medical device and biopharmaceutical development and manufacturing; and the California Southern Baptist Annual State Youth Convention.