Owners & Management
 | Steve Yeko, Sr. Owner / President syeko@tdckis.com |  | Heidi Yeko Owner hmyeko@tdckis.com |  | Steve Yeko, Jr. Owner / Vice President syekojr@tdckis.com |
 | Holly Yeko Human Resources hyeko@tdckis.com |  | Meghan Spielmann Purchasing Manager meghan@tdckis.com |  | Dave MacDougall General Manager dmacdougall@tdckis.com |
 | Christine Miller Assistant Manager cmiller@tdckis.com |  | Jason Heckendorf Sales Manager Jheckendorf@tdckis.com |  | Andrea Kirchgessner Assistant Manager akirchgessner@tdckis.com |
Office Staff
 | Pam Perkins Inventory Controller pperkins@tdckis.com |  | Dallas Clark Inventory Controller dclark@tdckis.com |  | Kaleb Shafer Staff Support kshafer@tdckis.com |
Goldsmith Staff - Janesville
 | Gary Hansen Goldsmith ghansen@tdckis.com |  | Joe Kaster Goldsmith jkaster@tdckis.com |  | David Fritsch Goldsmith dfritsch@tdckis.com |
Janesville Sales
 | Dawn Schumacher Sales Support dschumacher@tdckis.com |  | Stephanie Bisterfeldt Diamond Consultant sbisterfeldt@tdckis.com |  | Kristin McCarty Sales Support kmccarty@tdckis.com |
 | Jennifer Vanderkooi Sales Support jvanderkooi@tdckis.com |  | Heather Legan Sales Support hlegan@tdckis.com |
Madison Management & Sales
 | Lori Erickson Sales Manager lerickson@tdckis.com |  | Brad Haack Diamond Consultant bhaack@tdckis.com |  | Bianca Singer Diamond Consultant bsinger@tdckis.com |
 | Sandra Hagen Sales Support shagen@tdckis.com |  | Brett Linskens Assistant Sales Manager blinskens@tdckis.com |  |
Goldsmith Staff - Madison
 | Danielle Larson Goldsmith dlarson@tdckis.com | | |
