THE national bank

TBK Bank, SSB offers consumer and commercial banking products, from personal checking accounts to treasury management services, focused on serving the needs of our communities throughout Iowa, Illinois, Colorado, Kansas, New Mexico, and Texas.

Unlike other Chicago-area banks, our heritage traces the advancement and evolution of the banking industry and the growth and expansion of the Chicago metropolitan area. As Old Second expands throughout Chicagoland and the surrounding communities, our commitment to a better banking experience remains steadily on course. Backed by an unwavering sense of financial responsibility and focus on humanity, we've persevered through the most challenging and rewarding economic climates and historical events since the late nineteenth century.For more than 150 years, Old Second has consistently put businesses and individuals throughout the Chicago area first, and we're only getting started.Member FDIC. Equal Housing Lender.

Old Second National Bank is a longstanding financial institution based in Elgin, IL. It offers a range of banking services to individuals and businesses, focusing on traditional banking practices. With a history rooted in the community, Old Second National Bank provides customers with personal and business banking solutions to meet their financial needs. Generated from their business information