1 | 1 | Science Applications International Corp. 151 Lafayette Drive Oak Ridge,TN 37831
| 865-481-4600 saic.com 399/26,000
| High-end engineering, digital, artificial intelligence and mission solutions
| Tina Richards SVP 2013
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2 | 3 | Boston Government Services (BGS) 105 Mitchell Road, Ste. 101 Oak Ridge,TN 37830
| 866-730-7353 bgs-llc.com 103/266
| Engineering, technology, and security firm supporting government programs in nuclear technology, information and infrastructure security, alternative energy technology, nuclear operations, and environmental management markets
| Harry Boston President, CEO 2007
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3 | 2 | KeyLogic Associates 104 Union Valley Road Oak Ridge,TN 37830
| 865-481-0388 iiaweb.com 90/512
| Information technology, knowledge management, strategic planning, data exploitation
| Jeannette Lee Bill Myers Rick Arbuthnot CEO Director, finance HR director 1988
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4 | 6 | Cadre5 804 Innovation Drive Knoxville,TN 379321
| 865-694-5600 cadre5.com 69/76
| Full-scale software integration systems, advanced security systems, custom software development, large enterprise systems, UI/UX expertise, agile development methodology, workflow intelligence, Microsoft Gold Partner, and IT Staffing for all disciplines
| Steve Hicks President, CEO 1999
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5 | 5 | C Spire Business 6100 Lonas Drive Knoxville,TN 37909
| 865-314-7871 cspire.com 65/330
| Cloud computing, managed services, data backup, disaster recovery/business continuity, value added reseller
| Jonathan Coffield Director of commercial sales, East TN 2001
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6 | 9 | Gallaher 3351 Regal Drive Alcoa,TN 37701
| 865-970-2471 gallahersafe.com 62/80
| Network camera surveillance, hosted and managed access control, fire alarm/monitoring, mass notification, structured cabling
| Tom Gallaher CEO 1973
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7 | 7 | Avertium 1431 Centerpoint Blvd., Ste. 150 Knoxville,TN 37932
| 865-244-3500 avertium.com 60/211
| Managed security services, network security assessments, HIPAA and PCI compliance, penetration testing, cybersecurity consulting and training
| Jeff Schmidt CEO 1997
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8 | 7 | Centriworks 3505 Sutherland Ave. Knoxville,TN 37919
| 865-524-1124 centriworks.com 50/55
| Managed IT services, managed security services, cloud services, IT infrastructure, telephony systems
| S. Sumner Mark DeNicola President CFO, CSO 1964
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9 | 10 | Central Technologies, Inc. 6101 Industrial Heights Drive NW Knoxville,TN 37909
| 865-566-0230 centralinc.com 45/80
| Enterprise wireless networks, customized security and surveillance, network managed services
| Doug Carswell CEO 2011
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10 | 11 | PCS, Inc. 1720 Topside Road Louisville,TN 37777
| 865-273-1960 pcsknox.com 37/NA
| IT products and services including networking, security, interactive technology, SMB IT support
| Jeremy Waldroop President 1996
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11 | 12 | RCN Technologies 200 Jennings Drive Knoxville,TN 37917
| 865-293-0350 rcntechnologies.com 35/36
| 5G & LTE enablement solutions for business, cross carrier wireless data plans, data management platform, backup internet/failover, POTS over LTE, pop-up network kit, out of band management kit
| Jennifer Yearack CEO 2013
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11 | 18 | TenHats 550 Fort Summit Way Knoxville,TN 37915
| 865-770-5920 tenhats.com 35/35
| Managed IT services, network & connectivity, cybersecurity, cloud & infrastructure, colocation, disaster recovery
| Brian Strong CEO 2016
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13 | 17 | Allevia Technology 1819 East Broadway Ave. Maryville,TN 37804
| 865-686-6677 alleviatechnology.com 29/29
| Managed IT services for small businesses and nonprofits including tech support, web design, and VoIP phones
| Stefan Wilson Owner 2011
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14 | 14 | Acato Information Management, LLC 173 Mitchell Road Oak Ridge,TN 37830
| 865-381-1120 acatoim.com 26/29
| Software quality assurance (SQA)
| Catherine Toth President, CEO 2010
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15 | 13 | M3 Technology Group 10613 Braden Dickey Lane Knoxville,TN 37932
| 865-691-1124 m3techgroup.com 25/140
| Innovative and customized design, engineering, and technical support
| David West VP of growth operations 2011
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15 | 16 | Sharp Business Systems of Tennessee 410 N Cedar Bluff Rd., Ste. 50 Knoxville,TN 37923
| 888-525-4220 sharp-sbs.com 25/75
| Managed IT security and help desk services, print and workspace analytics, disaster recovery planning and solutions, smart office infrastructure and applications, pro audio/visual offerings
| Matt Marsh Branch sales manager 2001
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15 | 14 | QRS Inc. 2010 Castaic Lane Knoxville,TN 37932
| 865-588-3188 qrshs.com 25/NA
| Network services, custom programming, medical practice management, SaaS/ASP Hosting and electronic health record software
| H. E. "Rusty" Dickerson Jr. James Dickerson President, CEO COO 1983
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18 | NR | The IT Company 16 Emory Place Knoxville,TN 37917
| 865-392-9200 theitco.net 18/2
| Small and medium business IT department, cyber security, cloud services, IT support
| Paul Sponcia CEO 2003
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18 | 20 | MCH Corporation 995 Highway 11 S. Sweetwater,TN 37874
| 888-534-1729 mchcorp.com 18/18
| IT security solutions, web application penetration testing, network vulnerability assessments, information management solutions
| Michael Hamilton CEO 1998
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20 | 19 | Paxis Technologies 5430 Hilton Industrial Way Knoxville,TN 37921
| 865-588-9823 paxistech.com 16/NA
| Managed network services, network data and security, cloud services, VOIP
| Daniel Hale President 1981
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