If you could not find a specific stock, have questions about stocks you received from us, or noticed problems in the webpages, please send an email to us.

For questions about order processing and stock shipments, contact Kim Cook, Tel: 812-855-5783.

See Ordering & Accounts for additional information.

For questions about payments, purchase orders or invoices, contact Jane Stout or call Kim Cook at 812-855-5783.

Pay for an Order describes how to make a payment for an order, and how to give us a purchase order. To pay an invoice, follow the instructions on the invoice.

For questions related to stock acquisition, distribution, international transportation, MTA and intellectual property, please contact Kevin Cook.

BDSC collects stocks of broad interest to the research community. Read our Acquisition Policy for additional information. If you have questions about stock donation, please contact Annette Parks.