I know the place I work for doesn't give people loans to consolidate their debt any more as this is bad practice and people only go out and make more debt. The best is to cut down on your spending and pay of the most expensive debt or the debts with small amounts first.
The best institutions for what you want to do is the one that approves and give the best rate. This is product dependent on what you have to offer as collateral. Apply to all and compare the quotes.