Here is the labor rate calculator I use. Click on the download link if you have MS Excel. http://nosecrets.com/Download.htm
If you are honest with the numbers (like number of hours booked per day) you will come out in the $50/hr range. The $60/hr is probibly more realistic but still being on the minimum side.

Here is the WV tax information: http://www.state.wv.us/taxrev/taxdoc/tsd310.pdf

A lot of EC work would go under capital improvment and would not be taxible to the customer.

Tom