As a full service certified public accounting firm, Kallenberger & Associates has worked since 1970 to satisfy a wide variety of clients throughout the State of Oklahoma. During that time, their guiding purpose has been to provide quality services to businesses and entrepreneurs in the areas of accounting, auditing, taxes and management consulting. Over the years, the timeliness and reliability of their services have won the confidence of a growing number of clients, as well as surety and financial institutions. Based in Tulsa, the firm of Kallenberger & Associates consists of one Principal and a professional accounting and administrative staff large and flexible enough to handle engagements of varying size and complexity.

Clients currently served by the firm include businesses in the following industry groups: