Shared Services and Customer Service Centers
With more than 10,000 employees, the shared services and data center sector is a major economic cluster in the region, particularly in finance, insurance, technical services and health care.
| Company | County | Number of Employees | Customer Service Specialties |
| TeamHealth Billing Centers | Knox | 1,048 | Billing Center |
| Vanderbilt Mortgage & Finance Corp. | Blount | 956 | Manufactured home loans financing |
| ADT Security Services | Knox | 721 | Residential home security monitoring center |
| 21st Mortgage Corp. | Knox | 650 | Manufactured home loans financing |
| Jewelry Television by ACN | Knox | 650 | Cable shopping network orders |
| Accenture Hospitality Services | Blount | 541 | Financial services |
| CVS Caremark Inc. | Knox | 512 | Prescription card services |
| SAIC | Anderson | 500 | Logistics, customer service and back office operation |
| Sitel | Anderson | 500 | Technical support |
| Sitel | Knox | 500 | Technical support |
| TeamHealth AlcoaBilling Center | Blount | 451 | Billing Center |
| Elavon | Knox | 396 | Credit card processing |
| Comcast of the South | Knox | 385 | Cable and Internet services |
| TeamHealth Medical Call Center | Knox | 380 | Billing Center |
| G.C. Services | Knox | 350 | Financial services |
| EdFinancial Services | Knox | 342 | Student loan processing |
| Answer Financial Inc. | Knox | 339 | Property & casualty insurance brokerage |
| Whirlpool Corp. | Knox | 305 | Appliance customer services and repairs |
| U.S. Cellular Corp. | Knox | 281 | Cell phone customer services |
| K12 | Blount | 265 | Support contact center for virtual homeschooling academy |
| First Tennessee Bank Call Center | Knox | 242 | Banking customer service |
| Talbots | Knox | 150 | Women & children's clothing catalog sales orders |
| Cellular Sales Verizon Wireless | Knox | 125 | Verizon Wireless customer service |
| Radio Systems Corp. (PetSafe) | Knox | 120 | Pet containment products customer service |
| Community Health Alliance | Knox | 70 | Nonprofit Health Insurer |
| Knoxville Utilities Board Call Center | Knox | 65 | Utilities customer services |
| Wyndham Vacation Ownership | Sevier | 60 | Collections, Customer Service, Tour & Travel |
| AT&T | Knox | 35 | Telecommunications customer service |
| DeRoyal Industries | Knox | 25 | Medical devices customer service |
| Covenant Health | Knox | 20 | Medical billing services |
Source: Book of Lists, community websites 2019