Acorn Naturalist (field guides, many books, tracking equipment, great prices)   1-800-422-8886

Ben Meadows (forestry and engineering supplies, some water studies equipment)    1-800-241-6401

BioQuip  (bug specialist company, lots of bug books and equipment)    310-324-0620

Bullfrog Films (science videos)  1-800-543-3764

Carolina Biological Supply Company (educational materials - all science subjects, lab supplies)   1-800-334-5551

Cole - Parmer (no educational materials, just science and technology lab equipment)   1-800-323-4340

Crystal Springs Books (Professional books for elementary educators)  1-800-321-0401

Daigger (no educational materials, lab supplies)   1-800-621-7193

Delta Education, Inc. (science and math equipment, activities for k-8)   1-800-442-5444

DEMCO, Inc. (library, office, and school supplies, books for all grades)  1-800-356-1200

Fisher Scientifc (lab equipment and supplies, little educational materials)   1-800-766-7000

Fisher Science Education (education materials - all science subjects)  1-800-955-1177

Forestry Suppliers (forestry, engineering, water scientist equipment, some educational materials - they have a separate mini catalog for educators -"Educational Products")      1-800-360-7788 (for a catalog)      1-800-647-5368 (for orders)

Frey Scientific (educational materials - all science subjects, and lab supplies)     1-888-222-1332

Global Rivers Environmental Education Network (water quality testing equipment and books) 703-519-6877

HACH company  (water quality test kits - all price ranges)    1-800-227-4224

LaMotte Company (water / soil test kits, some activity labs)    1-800-344-3100

Micrology Laboratories, LLC.  (water bacteria kits, microbiology)    219-533-3351

Millipore (microbiology specialist company)    1-800-645-5476

Mindware (creative, thought provoking school activities and equipment, focus is on elementary though)  1-800-999-0398

Museum Products Co. (anything you may have seen in a museum gift shop, educational materials, gizmos, junk, prizes, good prices)   1-800-395-5400

Nasco Science (educational materials - all science subjects, lab supplies, less selection)    1-800-558-9595 

Oriental Trading Company, Inc. (cheap art supplies, junk, party supplies, prizes, novelties)  1-800-246-8400

Pasco Scientific (computer related technology, water quality probes) 1-800-772-8700

Sargent Welch (VWR) (educational materials - all science subjects, lab supplies)     1-800-727-4368

Save Our Streams Program Catalog (Izaak Walton League of America) (small catalog with some stream videos, equipment)  1-800-BUG-IWLA

Science Kit & Boreal Laboratories (Science education products for K-12 teachers, home-schoolers, and hobbyists) 1-800-828-7777

Scope Shoppe, Inc.(The) (microscopes, cheapest Brock scopes)     1-800-577-2673

That Fish Place (aquarium supplies)    1-888-THAT PET

Ward's Science (education materials - especially biology and geology, lab supplies; separate catalogs for biology and geology)  1-800-892-3583 (for a catalog)       1-800-962-2660 (for orders)

Wildlife Supply Company (WILDCO)  (best selection of quality aquatic nets, sampling devices)    1-800-799-8301

WQED (Pittsburgh PBS station) (The Mon, the Al, and the O video, plus some other PGH educ. Materials)  1-800-274-1307