Interactive Software Engineering, Inc.
270 Storke Road, Suite 7
Goleta, CA 93117
Tel: 805-685-1006
Fax: 805-685-6869
http://www.eiffel.com
e-mail: info@eiffel.com
Tower Technology Corporation
Austin, TX 78756 USA
Tel: 512-452-9455
Fax: 512-452-1721
http://www.cm.cf.ak.uk/Tower
e-mail: tower@twr.com
SIG Computer GmbH
zu den Bettern 4
D 35619 Braunfels, Germany
Tel: +49 6472 2096, FAX +49 6472 7213
e-mail: eiffel@eiffel.de
(cyrillic e-mail: eiffel@sigcomp.msk.su)
Eon Software
19 Stapleton Road
Heddington, Oxford OX3 7LX, UK
Tel: +44 865 741452
e-mail: ian@eonsw.demon.co.uk
ftp://ftp.demon.co.uk/pub/eiffel/eon-eiffel/
comp.lang.eiffel
Eiffel: The Language , Bertrand Meyer, (Prentice Hall 1992, ISBN 13-247925-7), 594 pages. Available in French, Eiffel, le langage (94/10 InterEditions, ISBN 2-7296-0525-8). The language standard.
OO Programming in Eiffel, Robert Rist and Robert Terwilliger, (Prentice-Hall, 1995, ISBN 0-13-205931-2), 485 pages.
Many other resources mentioned in the FAQ, at ftp://ftp.cm.cf.ac.uk/pub/eiffel/eiffel-faq or ftp://rtfm.mit.edu/pub/usenet/news.answers/eiffel.faq