W. Va. Code § 25-5-15: Bonding requirements.

A contractor shall give a performance bond payable to the State of West Virginia, in a form satisfactory to the commissioner, executed by a surety company qualified to do business in this state and in the penal sum, as determined by the commissioner, in an amount not less than $100,000. The bond shall be conditioned on the contractor performing all the requirements of this article and the rules promulgated hereunder.