- Margolin, Gildemeister, Willia, Mugan & Keane until 1993
- Bikakis, Mayne, Arneson, Karpuk & Hindman until 2006.
In November of 2006, Ted opened his own law office at its present location at 507 7th Street, Insurance Centre, Suite 222, Sioux City, Iowa.
Ted is licensed to practice in the State of Iowa and in the United States District Court for the Northern District of Iowa. He is a member of the Iowa and Woodbury County Bar Associations.