1 | 1 | Y-12 National Security Complex P.O. Box 2009 Oak Ridge, TN 37831
| 865-574-9918 y12.doe.gov; nnsa.energy.gov/fieldoffices/npo
| 7,241 NA / NA NA / NA
| U.S. Government, National Security Uranium storage, processing, manufacturing; supplying uranium for the U.S. Nuclear Navy, global security and nuclear nonproliferation
| National Nuclear Security Administration Consolidated Nuclear Security Washington, DC Oak Ridge, TN $1.8 billion
| Teresa Robbins William C. Tindal Michelle Reichert Manager President, COO President, CEO 1943
|
2 | 2 | Oak Ridge National Laboratory 1 Bethel Valley Road Oak Ridge, TN 37831
| 865-576-1946 ornl.gov
| 5,772 NA / NA NA / NA
| Government Research and development
| U.S. Department of Energy/UT-Battelle LLC Oak Ridge, TN $2.3 billion
| Thomas Zacharia Lab director 1943
|
3 | 3 | United Cleanup Oak Ridge LLC (UCOR) 701 Scarboro Road Oak Ridge, TN 37830
| 865-576-8321 ucor.com
| 1,949 NA / NA NA / NA
| Service Environmental Cleanup: radioactive waste management, environmental monitoring and restoration, asset management
| Amentum Jacobs Falls Church, VA Dallas, TX
| Ken Rueter President, CEO 2011
|
4 | 4 | Anderson County Schools 101 S. Main St., Ste. 500 Clinton, TN 37716
| 865-463-2800 acs.ac
| 1,050 NA / NA NA / NA
| Education Public education system
| NA NA
| Tim Parrott Director of schools 1801
|
5 | 5 | Methodist Medical Center of Oak Ridge 990 Oak Ridge Turnpike Oak Ridge, TN 37830
| 865-835-1000 mmoakridge.com
| 997 NA / NA NA / NA
| Service Health care system
| Covenant Health Knoxville, TN $147.7 million
| Jeremy Biggs President, CAO 1942
|
6 | 9 | SL Tennessee 312 Frank L. Diggs Drive Clinton, TN 37716
| 865-457-8511 sl-america.com
| 913 913 / NA NA / NA
| Manufacturing Gear shift assemblies and parking brake levers, head lamps, tail lamps
| SL Corp. Daegu, Korea
| S.H. Kim Managing director 2001
|
7 | 7 | Eagle Bend Manufacturing 1000 JD Yarnell Industrial Parkway Clinton, TN 37716
| 865-457-3800 magna.com
| 900 800 / 100 NA / NA
| Manufacturing Auto body parts
| Magna International Aurora, ON, Canada
| Brian Duivesteyn General manager 1987
|
8 | 10 | Sitel Group 11228 Outlet Dr. Knoxville, TN 37932
| 865-425-1400 sitel.com
| 855 NA / NA NA / NA
| Service Inbound customer service, personal lines license for auto and property customer service, technical support
| Sitel Group Miami, FL
| Kelly Acuff Site director 1999
|
9 | 6 | ORAU 100 ORAU Way Oak Ridge, TN 37830
| 865-576-3301 orau.org
| 833 NA / NA NA / NA
| Government University consortium providing scientific, technical solutions for DOE, federal agencies and commercial customers
| NA NA
| Andy Page President, CEO 1946
|
10 | 8 | Aisin Automotive Casting Tennessee 221 Frank L. Diggs Drive Clinton, TN 37716
| 865-457-4581 aisin.com
| 828 828 / NA NA / NA
| Manufacturing Manufacture aluminum and resin engine components
| Aisin Seiki Kariya, Japan
| Toru Kondo President 2004
|
11 | 11 | Oak Ridge City Schools P.O. Box 6588 Oak Ridge, TN 37831
| 865-425-9001 ortn.edu
| 680 626 / 54 NA / NA
| Government Public education system
| City of Oak Ridge Oak Ridge, TN $77 million
| Bruce T. Borchers Superintendent 1943
|
12 | 12 | Anderson County Government 100 N. Main St., Rm 102 Clinton, TN 37716-3689
| 865-457-5400 andersontn.org
| 507 NA / NA NA / NA
| Government County government
| NA NA
| Terry Frank Mayor 1801
|
13 | 13 | Science Applications International Corp. 151 Lafayette Drive Oak Ridge, TN 37831
| 865-481-4600 saic.com
| 450 NA / NA NA / NA
| Service Science and engineering consulting, energy, national security, IT integration
| Science Applications International Corp. Reston, VA
| Tina Richards SVP 2013
|
14 | 14 | ORNL Federal Credit Union 221 S. Rutgers Ave. Oak Ridge, TN 37830
| 865-688-9555 ornlfcu.com
| 447 432 / 15 NA / NA
| Finance Credit union
| ORNL Federal Credit Union Oak Ridge, TN
| Colin Anderson President, CEO 1948
|
15 | 15 | Appalachian Underwriters 800 Oak Ridge Turnpike, Ste. A-1000 Oak Ridge, TN 37830
| 888-376-9633 appund.com
| 400 400 / NA NA / NA
| Service Wholesale insurance brokerage
| NA NA $510 million
| Bill Arowood Robert Arowood Principals 1998
|
15 | 15 | The Carlstar Group 520 JD Yarnell Industrial Parkway Clinton, TN 37716
| 865-220-6900 carlisletire.com
| 400 NA / NA NA / NA
| Manufacturing Industrial pneumatic tire manufacturing for heavy commercial vehicles, ATVs, lawn and garden vehicles
| The Carlstar Group Franklin, TN
| Phil Hulbert Director, plant operations 1974
|