Federal law enforcement officials are investigating whether nearly $90 million in bank loans to a Bohemia finance company

Oak Rock specializes in a variety of businesses that involve credit -- in effect, borrowing money from banks and then loaning the money to other lenders or businesses or financing its own credit transactions.

Jerome Reisman, a Garden City attorney who is representing AmeriMerchant LLC, a firm that borrowed from Oak Rock to advance to merchants, said the matter has the potential to dry up credit for some consumers and merchants.