I do not know of any in TN but i got a job through a consultancy in Kansas called Geek It Solution and i have been getting lot of support on my first job from this consultancy. They do online Linux/DevOps, BA, QA and Java.
Here is their url: http://geekitsolution.com
This consultancy is owned by a Nepali and the guy is super awesome. Here is his number: 913-515-5346 or you can email him at: santosh@geekitsolution.com