For curriculum in one specific subject area, see the Subjects page

A Beka Book
"Excellence in Education from a Christian Perspective" The largest Christian textbook publisher in the world.

Alpha Omega
Publishers of homeschool curriculum and The Switched-On Schoolhouse multimedia curriculum.

Beautiful Feet Book
Publishers of "History Through Literature", History of Science Through Literature", etc.

Bob Jones University Press (800-845-5731)
Complete Christian curriculums K-12; free catalogue available.

Bolchazy-Carducci
A complete Latin and classics curriculum resource for home education.

Canon Press (208-882-1456)
The leading publisher of classical education materials, including "Latin Primer"

Common Sense Press
Mostly Language Arts materials; publisher of Learning Language Arts Through Literature, Great Science Adventures, and other easy-to-use curricula for homeschoolers, traditional schools and parents who want to enrich their children's education.

Cornerstone Curriculum (972-235-5149)
"Building families upon the Biblical World View " - Making Math Meaningful, Science: The Search, Adventures in Art + more

Greenleaf Press
History, geography, art, and Bible materials; lots of links to ancient history sites

McGraw Hill
One of the largest textbook publishers

Saxon Publishers
One of the most popular math programs for HS-ers (K-12 plus physics).

TechnoKids
Technology curriculum: Science, Language Arts -- "technology projects, which introduce children to computers and technology through innovative themes that excite, involve, and energize students"

Usborne Books at Home
Wonderful non-fiction books on science and history (and other areas)

For curriculum in one specific subject area, see the Subjects page