They are a manufacturer of ladies panties. We need their contact info
(web site, if any, address, and phone #). Thx.

Hello.

From the U.S. Trademark office:

Mark: J.A.M.
Intimate apparel, namely, ladies underwear and lingerie

Panties Plus, Inc.
180 Madison Avenue Suite 1200
New York, NY 10016
United States
Legal Entity Type: Corporation
State or Country of Incorporation: New York
Phone Number: 212-779-1999
Fax Number: 212-779-8183

source: Trademark Applications and Registrations Retrieval (TARR)
http://tarr.uspto.gov/servlet/tarr?regser=serial&entry=76306674

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search strategy:
uspto.gov, j.a.m., lingerie

I hope this helps.