| 1 | 1 | Siemens Healthineers
810 Innovation Drive
Knoxville, TN 37932
| 865-218-2000
medical.siemens.com
512/NA
| Positron emission tomography (PET) portion of PET/computed tomography (CT) imaging systems; headquarters for Siemens’ PETNET Solutions network of PET radiopharmacies
| James Williams
Barry Scott
Head, Molecular Imaging
CEO, PETNET Solutions
2005
|
| 2 | 3 | Radio Systems Corporation
10427 PetSafe Way
Knoxville, TN 37932
| 865-777-5404
radiosystemscorporation.com
384/687
| Pet products: PetSafe, Invisible Fence Brand, SportDOG
| Willie Wallace
CEO
1991
|
| 3 | 6 | CB&I
2410 Cherahala Blvd.
Knoxville, TN 37932
| 865-560-7800
cbi.com
293/40,000
| Applied technical solutions for energy, infrastructure and the environment
| Randy Spickard
Vice president
1975
|
| 4 | 5 | PerfectServe
10024 Investment Drive, Ste. 200
Knoxville, TN 37932
| 877-844-7726
perfectserve.com
185/243
| Unified communications platform that connects clinicians in any care setting
| Terrell Edwards
President, CEO
2000
|
| 5 | 4 | Emerson Automation Solutions-Reliability Solutions
835 Innovation Drive
Knoxville, TN 37932
| 865-672-1079
mhm.assetweb.com
130/110,000
| Development of software/hardware products for predictive/protective maintenance and vibration analysis equipment
| Nathan Pettus
Vice president, general manager
1984
|
| 6 | NR | Aqua-Chem
3001 E. John Sevier Highway
Knoxville, TN 37914
| 865-544-2065
aqua-chem.com
120/150
| Water purification technologies for the pharmaceutical, beverage, energy, land-based desalination, commercial marine, government
| Gary Edwards
President, CEO
2005
|
| 7 | 7 | Fulton Bellows
2801 Red Dog Lane
Knoxville, TN 37914
| 865-546-0550
unitedflexible.com
117/NA
| Hydro formed metal bellows and welded assemblies; thermostatic actuators and diaphragms
| John George
President
1904
|
| 8 | 8 | Centrus Technical Solutions
400 Centrifuge Way
Oak Ridge, TN 37830
| 865-241-7000
centrusenergy.com
115/335
| Provides technical solutions for the engineering, development, prototyping and manufacturing of complex engineered products
| Larry Cutlip
Vice president, field operations
2002
|
| 9 | NR | Uster Technologies
456 Troy Circle
Knoxville, TN 37919
| 865-588-9716
uster.com
110/800
| Design, manufacture, install precision measuring instruments used for quality measurement and certification for the textile industry
| Peyman Dekhordi
COO
1948
|
| 10 | 11 | ProNova Solutions
330 Pellissippi Place
Maryville, TN 37804
| 865-862-4100
pronovasolutions.com
100/NA
| Compact, accessible proton therapy system
| Terry Douglass
Joe Matteo
Chairman, CEO
President
2012
|
| 11 | 13 | Protomet
1010 Larson Drive
Oak Ridge, TN 37830
| 865-425-0600
protomet.com
95/95
| Products developed specifically for the marine industry include wakeboard towers, racks, flip seats, grab rails, dash components, and optics-grade mirrors.
| Jeff Bohanan
President
1997
|
| 12 | 12 | Northrop Grumman Remotec
353 JD Yarnell Parkway
Clinton, TN 37716
| 865-483-0228
northropgrumman.com/Capabilities/Remotec/Products
90/NA
| Manufactures mobile robotic systems for inspecting and defusing explosives and other hazardous duty operations
| Walt Werner
Director, Northrop Grumman Remotec
1980
|
| 13 | 10 | MS Technology
137 Union Valley Road
Oak Ridge, TN 37830
| 865-483-0895
mstechnology.com
73/73
| Microwave industrial heating equipment including metal melting/casting furnaces and fluidized bed heat treating equipment
| Randy Inkllebarger
President
1994
|
| 14 | 15 | Analysis and Measurement Services Corp. (AMS)
AMS 9119 Cross Park Drive
Knoxville, TN 37923
| 865-691-1756
ams-corp.com
70/100
| Qualifying the instrumentation and control systems of nuclear power plants through laboratory and in-plant testing services and specialized testing equipment and advanced monitoring technologies
| H.M. Hashemian, Ph.D.
Brent D. Shumaker
President
Senior engineer
1977
|
| 15 | 14 | Cryomagnetics
1006 Alvin Weinberg Drive
Oak Ridge, TN 37830
| 865-482-9551
cryomagnetics.com
65/NA
| Design and development of superconducting magnets, cryogenic systems, control electronics
| Michael Coffey
President
1983
|
| 16 | 9 | Proton Power
487 Sam Rayburn Parkway
Lenoir City, TN 37771
| 865-376-9002
protonpower.com
60/60
| Manufactures a patented renewable energy system that utilizes renewable biomass and waste sources to generate electricity, heat, synthetic fuels, hydrogen
| Sam Weaver
President
2005
|
| 17 | 16 | Technology for Energy Corp.
10737 Lexington Drive
Knoxville, TN 37932
| 865-966-5856
tec-usa.com
54/61
| Aircraft and helicopter on-the-wing ground support equipment, equipment for electric power metering, power quality, revenue protection of the electric power industry, monitoring equipment for nuclear power plants, X-ray diffraction analyzers
| William Simpkins
President, CEO
1975
|
| 18 | 17 | Perceptics
11130 Kingston Pike, Ste. 6
Farragut, TN 37934
| 865-966-9200
perceptics.com
54/NA
| Automatic license plate readers and other vehicle recognition equipment
| John Dalton
CEO
1979
|
| 19 | 18 | Bandit Lites
2233 Sycamore Drive
Knoxville, TN 37921
| 865-971-3071
banditlites.com
52/500
| GRNLite: LED lighting fixtures for the entertainment industry; MotoData; computer control system for the entertainment industry; ProPower and Powerpro: two lines of power distribution for the entertainment industry
| Michael Strickland
Chairman
1968
|
