- Apollo Books
 - International mail order booksellers and publishers specialising books and journals on entomolgy. - Balogh Scientific Books
- Bookseller and distributor of natural history books, particularly in the fields of botany, zoology, ecology and geology.
- Book Factory
- Manufactures hardbound, customised laboratory notebooks, record books, and logbooks.
- Books About Nature
- Offers books covering astronomy, biology, birds, ecology, endangered species, and more.
 CPL Press
- Online book store specialising in life sciences, biotechnology, environment, agriculture, energy, and more.- Cygnus-Quasar Books
- Books available on subjects such as radio astronomy, antennas, and electronmagnetics.
- Donald Ferrier Ltd.
- Medical and scientific booksellers. Worldwide mail-order service.
- Earth Pages
- Source for earth science textbooks, journals, and electronic products.
- EarthPrint.com
- Official online bookshop of the United Nations Environment Programme. Offering publications on biodiversity, desertification, environmental law, and more.
- Eco Books
- Specialises in books on environmental issues.
- Eureka Lab Book, Inc.
- Manufacturer of custom scientific, laboratory, and research notebooks.
- Faculty of Chemistry
- Browse through an extensive selection of chemistry books on subjects such as analytical chemistry, elements, electrochemistry, and more.
- Forensic Science Bookstore
- Featuring books and texts dedicated to criminal behaviour and investigative techniques.
- Funtraps
- Learn how to make mousetrap powered cars and other projects. Offers workshops at primary schools.
- Geological Society Web Shop
- Offers petrology, stratigraphy, economic geology, geophysics, environmental, tectonics, and marine studies books.
- IEEE Press Books
- IEEE published books on computers, engineering, standards, telecommunications, conferences, symposiums, semiconductors, software engineering, networking and power systems.
- ISEbooks.com
- Featuring databases from science book publishers.
- Light, Michael
- Provides information on the photographer's photo-novella, Ranch, as well as his published collections of NASA's lunar photos and images of nuclear testing from Los Alamos National Laboratory.
- Mal de Mer Enterprises
- Source for in-print and out-of-print books on seashells and mollusca for the collector and scientist.
- Manuals Plus
- Sells manuals for equipment and service/calibration.
- Martini On-line
- Features several anatomy and physiology text books by Ric Martini.
- Nanoword.net
- Online distributor of publications, with a focus on nano- science, nanotechnology, and technical education. Includes information about molecular electronics, mechanical VLSI, and quantum biology.
- Normas.com
- Online ordering service for engineering industry books and standards.
- RobotBooks.com
- Reviews of robot books. Plus robotics kits, movies, and toys.
- School of Pythagoras
- Recommended texts for acquiring a greater understanding of Pythagorean teachings: geometry, architecture, and ancient Egypt.
- Total Information, Inc.
- Online bookstore offering inventory of scientific, professional, and business titles.
- U.S. Books
- Mail order source for professional horological books.
 Walnut Books
- Titles on permaculture, including sustainable design, energy and living, organic food, and gardening.- WebBooks
- Technical publications and free assistance to aspiring authors.
- Westons Booksellers
- Specialises in scientific, technical, and medical books.
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