Please feel free to contact us via fax or e-mail 24 hours a day or to call us during our normal business hours: Monday - Friday 8:00 am - 8:00 pm. If we are in the laboratory or busy with other customers, please leave your name, telephone number and a message on our answering machine and we will return your call promptly.


Postal Address
P.O. Box 9975
Baltimore, MD 21224

Electronic Mail
General Information:

HRL Staff to be Contacted
Immunochemical Sales and Customer Support: Roger Gordon, Ph.D.
Accounting: Berry Roz, B.S.


Stratech Scientific Ltd, UK ( for Europe