82 Trade Fairs in California from October 2025

District: California covers an area of approximately 423970 km² and has a population of approximately 40 million people. The 3 largest cities in California according to population are Santa Monica with approximately 4114500, Los Angeles with approximately 3928864 and San Diego with approximately 1345895 inhabitants. Most of the fairs in California take place in Los Angeles.

08. October 2025

Small Business Expo

Networking and education fair for small businesses in the USA

professional visitors only

Pasadena Convention Center Pasadena, USA

22. - 23. October 2025

Sales Innovation Expo

Trade Fair for Marketing and Sales

professional visitors only

Los Angeles Convention Center Los Angeles, USA

23. - 25. October 2025

AES Convention

The profesional audio exhibition

professional visitors and general public

Long Beach Convention & Entertainment Center Long Beach, USA

27. - 28. October 2025

TECHSPO Orange County Technology Expo

Trade fair for internet technologies, security, and applications

professional visitors only

Sheraton Park Hotel at the Anaheim Resort Anaheim, USA

04. - 07. November 2025

Greenbuild

International Green Building Conference and Expo

professional visitors only

Los Angeles Convention Center Los Angeles, USA

13. - 14. November 2025

TECHSPO Silicon Valley Technology Expo

Trade fair for internet technologies, security, and applications

professional visitors only

DoubleTree by Hilton Hotel San José, USA

15. - 19. November 2025

Neuroscience

Meeting for the society of neuroscience

professional visitors only

San Diego Convention Center San Diego, USA

19. - 20. November 2025

MEDevice

Medical device technology trade fair

professional visitors only

Santa Clara Convention Center Santa Clara, USA

21. - 30. November 2025

LA Auto Show

International car show

publicly accessible

Los Angeles Convention Center Los Angeles, USA

07. - 09. January 2026

AIMExpo

North America's leading trade fair for motorcycle and power sports

professional visitors and general public

Anaheim Convention Center Anaheim, USA

09. - 11. January 2026

Silicon Valley International Auto Show

International Auto Show

publicly accessible

Santa Clara Convention Center Santa Clara, USA

15. - 18. January 2026

International Sportsmen's Expo (ISE)

Sports Show for outdoor activities

publicly accessible

Cal Expo Sacramento, USA

17. - 18. January 2026

SPIE BiOS Expo

Trade fair for biomedical optics

professional visitors only

Moscone Convention Center San Francisco, USA

17. - 22. January 2026

SPIE Photonics West

International photonics and laser exhibition

professional visitors only

Moscone Convention Center San Francisco, USA

19. January 2026

SPIE Global Business Forum

Event for the photonics and optics industry

professional visitors only

Moscone Convention Center San Francisco, USA

19. - 22. January 2026

SPIE AR | VR | MR

Event for AR, VR and MR hardware development

professional visitors only

Moscone Convention Center San Francisco, USA

20. - 22. January 2026

SPIE Quantum West Expo

Trade fair on quantum technology

professional visitors only

Moscone Convention Center San Francisco, USA

02. - 05. February 2026

DISTRIBUTECH International

Exhibition for automation and control systems in the energy industry

professional visitors only

San Diego Convention Center San Diego, USA

03. - 05. February 2026

D&M West

Industrial trade fair

professional visitors only

Anaheim Convention Center Anaheim, USA

03. - 05. February 2026

ATX West

Trade fair for automation technology

professional visitors only

Anaheim Convention Center Anaheim, USA

03. - 05. February 2026

PLASTEC West

Plastics trade fair

professional visitors only

Anaheim Convention Center Anaheim, USA

03. - 05. February 2026

WestPack

Trade fair for packaging technology

professional visitors only

Anaheim Convention Center Anaheim, USA

03. - 05. February 2026

MD&M West

International trade fair for medical devices

professional visitors only

Anaheim Convention Center Anaheim, USA

18. - 20. February 2026

Energy Storage North America

Trade fair with congress for production and storage of renewable energy

professional visitors only

San Diego Convention Center San Diego, USA

Schedule of trade fairs with current 82 trade fairs in California. Of course also other interesting trade fairs can take place in California, which are not yet known to us. If you know trade fairs in California that are not listed, you can transmit them to us via announce new trade fair Our team will update them in a timely manner to promote these fairs as well. Trade fairs with expired dates or trade fair dates yet unknown to us can be found at the end of the above list, labelled with the button "report new date of event".