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 | 2,260 | Billing Center |
| Jewelry Television by ACN | Knox | 1211 | Cable shopping network orders |
| Vanderbilt Mortgage & Finance Corp. | Blount | 900 | Manufactured home loans financing |
| Sitel | Knox | 855 | Technical support |
| ADT Security Services | Knox | 822 | Residential home security monitoring center |
| 21st Mortgage Corp. | Knox | 800 | Manufactured home loans financing |
| Accenture Hospitality Services | Blount | 550 | Financial services |
| Comcast | Knox | 540 | Cable, internet and phone customer support |
| U.S. Cellular Corp. | Knox | 535 | Cell phone customer services |
| CVS Caremark Inc. | Knox | 512 | Prescription card services |
| G.C. Services | Knox | 500 | Financial services |
| Elavon | Knox | 400 | Credit card processing |
| SAIC | Anderson | 399 | Logistics, customer service and back office operation |
| Accessnurse - TeamHealth Company | Knox | 380 | Healthcare-Nurse Traige |
| EdFinancial Services | Knox | 363 | Student loan processing |
| TeamHealth AlcoaBilling Center | Blount | 345 | Billing Center |
| Answer Financial Inc. | Knox | 300 | Property & casualty insurance brokerage |
| First Horizon | Knox | 271 | Banking and collection |
| K12 | Blount | 265 | Support contact center for virtual homeschooling academy |
| LSI (Lending Solutions, Inc.) | Knox | 265 | Loan servicing and training center |
| Avant | Blount | 200 | Online personal loans processing |
| CGI | Knox | 150 | Back office, IT support |
| IGT | Knox | 150 | Customer and IT support |
| Talbots | Knox | 150 | Women & children's clothing catalog sales orders |
| Whirlpool Corp. | Knox | 150 | Appliance customer services and repairs |
| Cellular Sales Verizon Wireless | Knox | 142 | Verizon Wireless customer service |
| Radio Systems Corp. (PetSafe) | Knox | 120 | Pet containment products customer service |
| Wyndham Vacation Ownership | Sevier | 60 | Collections, Customer Service, Tour & Travel |
| Knoxville Utilities Board Call Center | Knox | 53 | Utilities customer services |
| DialAmerica | Knox | 50 | Telemarketing and customer service contractor |
| AT&T | Knox | 35 | Telecommunications customer service |
| Coyote Logistics | Knox | 25 | Logistics management |
| DeRoyal Industries | Knox | 25 | Medical devices customer service |
| Covenant Health | Knox | 20 | Medical billing services |
| Total Quality Logistics | Knox | 20 | Logistics management |
Source: Book of Lists, community websites 2023