The New England Compounding Center, the compounding pharmacy that produced the tainted drugs that killed 39 people and injured more than 600 others, filed for bankruptcy Friday.

The Framingham, Mass., company shut its doors in October after public health officials traced a nationwide outbreak of meningitis to the firm's shipments of tainted vials of methylprednisolone acetate, an injectable drug prescribed by some pain physicians for back ailments.

NECC listed between $1 million and $10 million in assets and less than $2.34 million in debts in its Chapter 11 bankruptcy filing, Reuters reported.The largest unsecured creditor is McKesson Drug, which is owed $143,169.