Elsevier  
   Science area.
   http://www.elsevier.nl/inca/tree/

Tarquin Publications  
   Small UK publisher specialising in mathematical recreations and models. On-line ordering.
   http://www.tarquin-books.demon.co.uk/

Springer Verlag mathematics  
   One of the giants of mathematics publishing. Searchable catalogue, on-line ordering, European sales.
   http://www.springer.de/math/

VSP International Science Publishers  
   Mathematics/Computer Science area.
   http://www.vsppub.com/subjects/b5.html

Addison Wesley Longman  
   Mathematics section.
   http://www.awlonline.com/math/

Fibonacci Association  
   12 titles, mainly on Fibonacci numbers.
   http://www.sdstate.edu/~wcsc/http/fibbooks.html

Société Mathématique de France  
   Books and journals.
   http://smf.emath.fr/Publications/

CWI Amsterdam  
   Books and journals.
   http://www.cwi.nl/cwi/publications_bibl/index.html

Heldermann Verlag  
   Mathematics specialists.
   http://www.heldermann.de/books.htm

Hindawi Mathematics Publications  
   Lecture notes, conference proceedings. Electronic publishing services.
   http://books.hindawi.com/

SIAM  
   On-line bookstore of the Society of Industrial and Applied Mathematics.
   http://www.siam.org/books/

WIT Press  
   WIT Press/Computational Mechanics Publications.
   http://www.cmp.co.uk/

Prentice Hall  
   Mathematics texts.
   http://www.prenhall.com/math

Marcel Dekker  
   Mathematics and Statistics. Searchable list, on-line ordering. Registered users can preview content.
   http://www.dekker.com/

International Press  
   Publishers specialising in Mathematics and Physics. Discount to members of AMS,EMS,IAMP. On-line ordering.
   http://www.intlpress.com/

Wiley Europe  
   Mathematics catalogue. Searchable, with on-line ordering.
   http://www.wileyeurope.com/cda/sec/0,,2618,00.html

Pearson Education  
   Mathematics section. Mainly student textbooks. Online ordering for Europe, Asia, Africa.
   http://www.awl-he.com/mathematics/

Arnold Publishers  
   Mathematics section. Online ordering.
   http://www.arnoldpublishers.com/scripts/websubj.idc?code=S3000&level=2&type=child

MAA Bookstore  
   Catalogue of MAA publications.
   http://www.maa.org/pubs/books/subject_index1.html

Key Curriculum Press  
   Mathematics education texts and courseware.
   http://www.keypress.com/

Birkhauser Boston  
   Mathematics bulletin and newsletter.
   http://www.birkhauser.com/

Editions Jacques Gabay  
   Reprints of classics works in Mathematics and Physics.
   http://www.gabay.com/

Institute of Mathematics and its Applications (UK)  
   Monographs, conference proceedings and popular mathematics.
   http://www.ima.org.uk/mathematics/publications.htm

Key College Publishing  
   Mathematics and statistics textbooks. Online ordering.
   http://www.keycollege.com/

University of Chicago Press  
   Mathematics section, including Chicago Lectures in Mathematics. Online ordering.
   http://www.press.uchicago.edu/Subjects/virtual_math.html

Harcourt International  
   Mathematics section.
   http://www.harcourt-international.com/mathematics/

Innovative Textbooks  
   Modules in Mathematics series (13 titles).
   http://www.mathbookshelf.com/IT/IT.HTM

National Academy Press  
   Maths and statistics area. Online ordering.
   http://books.nap.edu/v3/makepage.phtml?val1=subject&val2=sa

CRC Press  
   Maths and Statistics section.
   http://www.crcpress.com/us/subdisc/mathdis.asp

Harvard University Press  
   Mathematics Subject Index. Searchable catalogue, online ordering.
   http://www.hup.harvard.edu/subjectindex/mathematics.html

The Trillia Group  
   Publishes and distributes e-book mathematics texts over the internet.
   http://www.trillia.com/

McGraw-Hill Digital Solutions  
   Mathematics titles websites.
   http://www.mhhe.com/catalogs/solutions/gallery/mathematics.mhtml

Cambridge University Press  
   Mathematical Sciences section.
   http://uk.cambridge.org/mathematics/

Palgrave  
   Mathematical Guides. On-line catalogue and orders.
   http://www.palgrave.com/science/mpc/mathematicalguides/

Chelsea Publishing Company  
   300 titles, mainly classic reprints. Acquired by the AMS in 1997.
   http://www.ams.org/bookstore/chelsea

Walter de Gruyter  
   Mathematics catalogue available in PDF.
   http://www.degruyter.de/hmath.html

Brooks/Cole Mathematics  
   Searchable catalogue.
   http://www.brookscole.com/math_d/

Dover Books  
   Mathematics section, searchable. On-line ordering.
   http://store.doverpublications.com/by-subject-mathematics.html

Springer NY  
   The US subsidiary of Springer Verlag. Searchable catalogue, on-line ordering, North American sales.
   http://www.springer-ny.com/discipline.tpl?discipline=Mathematics

Fields Institute Publications  
   Two book series: the Monograph Series and the Communications Series, copublished with the American Mathematical Society.
   http://www.fields.utoronto.ca/publications/

MathPro Press  
   Specializes in the publication of compendiums and indexes of mathematics problems.
   http://www.mathpropress.com/

Materials and Technology for Education (MTE)  
   Texts for high school and college.
   http://www.actionmathematics.com/

World Scientific Press  
   Mathematics section. Catalogues in PDF. Online ordering.
   http://www.wspc.com.sg/books/mathematics/mathematics.shtml

BCS Associates  
   Specialise in translations of classic mathematics texts.
   http://www.harbornet.com/bcsassociates/

Princeton University Press  
   Mathematics publishing program. Searchable catalog.
   http://math.pupress.princeton.edu/

Publish or Perish Inc.  
   Mathematics publisher: about 10 titles.
   http://www.mathpop.com/

Imperial College Press  
   15 titles. Online ordering.
   http://www.icpress.co.uk/books/mathematics/mathematics.shtml

Wellesley-Cambridge Press  
   Small publisher of textbooks in mathematics and engineering (6 titles).
   http://www.wellesleycambridge.com/

Matrix Editions  
   Non-fiction with an emphasis on mathematics at undergraduate, graduate and research level.
   http://www.MatrixEditions.com/

Oxford University Press  
   Mathematics and Statistics section.
   http://www.oup.co.uk/academic/science/maths/

Birkhäuser Basel  
   Now part of the Springer group.
   http://www.birkhauser.ch/books/math/

Academic Press  
   Now part of Elsevier Science and Technology Books.
   http://books.elsevier.com/apmath/

Math Books  
   Offers a selection of educational, historical philosophical and applied Math books. Includes reviews and recommendations.
   http://mathematicsbooks.org/

European Mathematical Society Publishing House  
   Information on EMS publications and how to obtain them.
   http://www.ems-ph.org/

Kluwer Academic  
   Math books catalogue. PDF format available.
   http://www.wkap.nl/home/topics/J/?type=Books

IOS Press Amsterdam  
   Mathematics and Applications section.
   http://www.iospress.nl/html/math.html

London Mathematical Society  
   Four series of books.
   http://www.lms.ac.uk/publications/book_series.html

Hindustan Books Agency  
   Texts and Readings in Mathematics series (20 titles).
   http://www.hindbook.com/

A K Peters, Ltd.  
   Mathematics section. Specialists in Mathematics, Computer Science and Robotics. Online ordering.
   http://www.akpeters.com/category.asp?CatId=1021

SBS Publications and Educational Services  
   Textbook, solutions and examinations; forum and short courses.
   http://www.sbspublications.com/