Frey Scientific
Science, Physics, Instruments and Supplies, Educational - Frey Scientific. Scientific supplies and other materials for middle and high schools.
https://www.freyscientific.com/
Vernier Software & Technology - Probeware for Science, Technology, Engineering, and Math Education
Vernier Software Technology produces hardware and software for data collection in high school, middle school, and college science courses including biology, chemistry, physics, physical science, water quality, middle school science, earth science, and math. Our products can collect data using both computers and graphing calculators. Vernier Software Technology has been around since 1981 and prides itself on providing quality probeware for use in science classrooms.
https://www.vernier.com/
PASCO Scientific
Science, Physics, Instruments and Supplies, Educational - PASCO Scientific. Offers a variety of interfaces and sensors (probes) bundled with computer-based activities for chemistry, biology, physics and general science.
https://www.pasco.com/
Exploratorium Museum Store
Science, Physics, Instruments and Supplies, Educational - Exploratorium Museum Store. Science toys and games, puzzles, gifts, books, classroom resources, charts and posters, videos, and software.
http://exploratoriumstore.com/
Edmund Scientific's ScientificsOnline
Science, Physics, Instruments and Supplies, Educational - Edmund Scientific. Offers a broad range of products for science enthusiasts, including telescopes, binoculars, microscopes, chemistry sets, magnets, science projects, solar panels, rock tumblers, metal detectors, optics, magnifiers and thousands of other astronomical, geological, meteorological and biological items from companies like Celestron, Meade, Nikon, Ohaus, Acculab, Steiner and Edmund Scientific.
http://edsci.com/