The Oceanside Economic Development Division partners and collaborates with many organizations that support the Oceanside business community with valuable resources. Below are listed organizations that can help you and your business needs. If you need additional assistance contact Oceanside Economic staff directly at (760) 435-3352 or osidebiz@oceansideca.org.

Oceanside Chamber of Commerce is a membership organization committed to growing and supporting the Oceanside business community. Through educational programs, networking opportunities, business resources and strategic partnerships, the Oceanside Chamber empowers businesses to succeed. (760) 722-1534 or oceansidechamber.com.

Visit Oceanside is the official tourism marketing organization in Oceanside, promoting travel to the city for both leisure and group visitors. The organization influences about one-third of the $271 million that is generated by visitor spending in Oceanside each year, which supports nearly 3,000 jobs. Visit Oceanside also operates one of the state's official California Welcome Centers. (760) 721-1101 or visitoceanside.org.

Mainstreet Oceanside is focused on enhancing the economic, social, cultural, and environmental well-being of historic and traditional commercial districts located in downtown. Mainstreet is a non-profit entity comprised of a Board of Directors, and Executive Director. For more information about Mainstreet Oceanside please visit their website at: msoceanside.com or call (760) 754-4512.

MiraCosta College is a public California community college serving coastal North San Diego County. The main campus is located in Oceanside, California at 1 Barnard Drive. The San Elijo campus is located in Cardiff-by-the-Sea. Visit their website at miracosta.edu or call (760) 757-2121.