Make of my comments what you will. I have no personal knowledge of Shanley or BCT, I've given you facts that might assist you in reaching a decision.
It's a simple matter of law that a Ltd Co (and I've run one for the last 28 years) is a separate legal entity from its owners and officers. The liability of the owners is limited to their shareholding (that's what limited means) and the officers can only be held personally liable in certain limited circumstances.
If you think that
(a) You can prove to a court that Shanley should be made personally liable AND
(b) He has some assets that you can sieze to enforce judgement against him
then get yourself a lawyer and go for it, otherwise I fear you will be throwing good money after bad. I speak as someone who's taken people to Court in the past to try and get payment of what's been due.