I worked for N-Tier Solutions for seven months. During that time I was not contacted by the agency once. I felt very under-valued as an employee. they seem to have a general lack of concern for you and your job.
Even when I was told by the company I was working for that I would be losing my job due to a contract vendor change, they did not contact me.
They do not offer any type of benefits, you do not accrue any PTO.
All together one of the worst contract companies I have worked for in my 20+ years of contracting.