Banc of California, Inc. operates as the bank holding company for Banc of California that provides various banking products and services in California. The company offers deposit products, such as checking, savings, money market, demand, and time deposits; certificates of deposit; retirement accounts; and safe deposit boxes. It also provides real estate loans to professional developers and real estate investors for the acquisition, construction, refinancing, renovation, and on-going operation of commercial real estate properties; commercial real estate mortgage, residential real estate mortgage, and real estate construction and land loans; commercial loans and leases, such as equipment finance, other asset-based, venture capital, secured business, warehouse, and other lending services; small business administration loans; and consumer loans comprising personal, auto, and other loans, as well as home equity and revolving lines of credit. In addition, the company offers international banking, multi-state deposit, and asset and investment management services, as well as cash and treasury management services; and online, mobile, remote deposit, and telephone banking services. It serves small and middle-market businesses, venture capital firms, non-profit organizations, business owners, entrepreneurs, professionals, and high-net worth individuals. Banc of California, Inc. was founded in 1941 and is headquartered in Los Angeles, California.

Heritage Commerce Corp operates as the bank holding company for Heritage Bank of Commerce that provides various commercial and personal banking services to residents and the business/professional community in California. Its deposit products for business banking and retail markets include interest and non-interest-bearing demand, savings, and money market accounts, as well as certificates of deposit and time deposits. The company's loan portfolio comprises commercial loans, such as operating secured and unsecured loans advanced for working capital, equipment purchases, and other business purposes; commercial real estate loans; commercial construction loans for rental properties, commercial buildings, and homes; small business administration loans; home equity lines of credit; multifamily loans on residential properties; residential mortgage loans; and consumer loans consisting of loans for financing automobiles, various consumer goods, and other personal purposes. In addition, it offers other banking services, including cashier's checks, bank by mail, night depositories, safe deposit boxes, direct deposit, automated payroll, electronic funds transfer, online bill pay, homeowner association, remote deposit capture, automated clearing house origination, electronic data interchange, and check imaging services, as well as other customary banking, factoring financing, and electronic banking services. Heritage Commerce Corp was founded in 1994 and is headquartered in San Jose, California.

California BanCorp. operates as the bank holding company for California Bank of Commerce, N.A. that provides various financial products to individuals, professionals, and small- to medium-sized businesses in California. The company offers checking, personal and business savings, and money market accounts, as well as certificates of deposit. It also provides home equity lines of credit, business loans and lines of credit, commercial real estate and construction loans, small business administration loans, letters of credit, and personal and business credit cards. In addition, the company provides cash vault, sweep accounts, and remote deposit capture services; online and mobile banking services; courier service; lockbox services; and merchant services. The company was formerly known as Southern California Bancorp and changed its name to California BanCorp. in August 2024. California BanCorp. was founded in 2001 and is headquartered in San Diego, California.

Sierra Bancorp operates as the bank holding company for Bank of the Sierra that provides retail and commercial banking services to individuals and businesses in California. It accepts various deposit products, such as checking accounts, savings accounts, money market demand accounts, time deposits, retirement accounts, and sweep accounts. The company's loan products include agricultural, commercial, consumer, real estate, construction, and mortgage loans. It also offers automated teller machines; electronic point-of-sale payment alternatives; online and automated telephone banking services; and remote deposit capture and automated payroll services for business customers. Sierra Bancorp was founded in 1977 and is headquartered in Porterville, California.

BayCom Corp operates as the bank holding company for United Business Bank that provides various financial services to small and mid-sized businesses, service professionals, and individuals. The company provides demand, savings, money market, and time deposit accounts. It offers commercial and multifamily real estate loans, including owner-occupied and investor real estate loans; commercial and industrial loans, such as equipment loans and working capital lines of credit; small business administration loans; construction and land loans; agriculture-related loans; and consumer loans comprising installment loans, unsecured and secured personal lines of credit, and overdraft protection. In addition, the company provides online and mobile banking, automated teller machine, remote deposit capture, night depository, courier, direct deposit, treasury management, wire transfer, automated clearing house, debit cards, cashier's and travelers checks, letters of credit, lockbox, positive pay, reverse positive pay, and account reconciliation services, as well as zero balance accounts and sweep accounts, including loan sweep. It operates through a network of full-service banking branches in Northern and Southern California; Las Vegas, Nevada; Denver, Colorado; Custer, Delta, and Grand counties, Colorado; and Seattle, Washington and Central New Mexico. The company was formerly known as Bay Commercial Bank and changed its name to BayCom Corp in January 2017. BayCom Corp was incorporated in 2004 and is headquartered in Walnut Creek, California.

Oak Valley Bancorp operates as the bank holding company for Oak Valley Community Bank that provides a range of commercial banking services to individuals and small to medium-sized businesses in the Central Valley and the Eastern Sierras. The company's deposits products include checking and savings, money market, health savings, and individual retirement accounts, as well as certificates of deposit. It also offers commercial real estate loans, commercial business lending and trade finance, and small business administration lending, as well as consumer loans, including automobile loans, home mortgages, credit lines, and other personal loans. In addition, the company provides online and mobile banking, remote deposit capture, merchant, night depository, extended hours, wire transfer of funds, note collection services, and automated teller machines. The company was incorporated in 1990 and is headquartered in Oakdale, California.

OP Bancorp operates as the bank holding company for Open Bank that provides banking products and services in California. It offers demand, checking, savings, money market, and time deposit accounts, as well as certificates of deposit. The company also provides commercial real estate, small business administration, commercial and industrial business, single-family residential, term, consumer, and home mortgage loans; trade financing products; and letters of credit, and SWIFT and export advice. In addition, it offers debit and credit card, online transfer and bill payment, electronic delivery of customer statements, and mobile banking solutions for iPhone and Android phones, including remote check deposit with mobile bill pay; direct deposits, cashier's checks, person to person payments, wire transfers, and automated clearing house (ACH) services; and cash management services, including balance reporting, transfers between accounts, wire transfer initiation, ACH origination, and stop payment services, as well as remote deposit capture, positive pay, zero balance accounts, and sweep accounts. The company operates full branch offices in Downtown Los Angeles, Los Angeles Fashion District, Los Angeles Koreatown, Gardena, Buena Park, and Santa Clara in California; and Carrollton, Texas; and operates loan production offices in Pleasanton, California; Atlanta, Georgia; Aurora, Colorado; and Lynnwood in Washington. The company was founded in 2005 and is headquartered in Los Angeles, California.

United Security Bancshares operates as the bank holding company for United Security Bank, a state-chartered bank that provides a range of commercial banking services to the business and professional community, and individuals in California. The company accepts various deposit products, including personal and business checking accounts, savings accounts, interest-bearing negotiable order of withdrawal accounts, money market accounts, and time certificates of deposit. It also provides real estate mortgage, commercial and industrial, real estate construction and development, and consumer loans, as well as agricultural, installment, and student loans. In addition, the company offers online and mobile banking, safe deposit boxes, wire transfers, payroll direct deposit, cashier's check, cash management, and foreign draft services, as well as interactive teller machines; and person-to-person and bank-to-bank transfers for consumer customers. United Security Bancshares was founded in 1987 and is headquartered in Fresno, California.