Also referred to as unclaimed property, unclaimed assets, surplus funds, mystery money, State Funds, and so on...
Unclaimed funds can be abandoned assets. 

Some examples:
dividend, payroll or cashier's checks
stocks, bonds or mutual fund accounts
utility deposits and other refunds
bank accounts and safe deposit box contents
insurance proceeds
mineral interest or royalty payments
court deposits, trust funds or escrow accounts
overpayments on insurance, utilities and other bills

Since 1963, Texas has required institutions, businesses and governmental entities to report to the state any personal property that has been unclaimed for up to five years, depending on the property in question.

Recover Unclaimed Funds