Sysmatec
- Cyclone, calorimetry, retention time distribution, tracer experiment, controller, data logger, display, scale, fermentor, fractions collector, syringe pump and peristaltic pump.
- http://www.sysmatec.ch/

Sadana Brothers (Shinco)
- Manufacturers and exporters of science educational instruments, microscopes, acrylic cubes and blocks, beakers, burners, tubes, calorimeter set general laboratory equipment.
- http://www.science-educational-equipment.com/

Solent Scientific
- Manufacturer of microscope incubators. Distributor of lamps and supplies for AA, UV/Vis, GC and HPLC
- http://www.solentsci.com/

Swastika Bio Remedies (P) Ltd.
- Manufacturer and distributor of science teaching equipment for physics, chemistry and biology.
- http://swastikabioremedies.com/

ScienceLab.com, Inc.
- Supplier of science education equipment, science kits, chemicals and lab supplies for K-12 and college, covering Chemistry, Biology, Earth Science and Physics.
- http://www.sciencelab.com/

Selby Biolab
- Deals in disposable items, analytical instruments, biotechnology, chromatography, laboratory products, laser and optical systems, and materials science supplies. Applications include biology, plant and soil science, biotechnology, optical and material s
- http://www.selbybiolab.com.au/

Service For Science and Industry, Inc.
- An exporting wholesale distributor of laboratory equipment and supplies, glassware, plasticware and reagents.
- http://www.sfsi-usa.com/

Sirex S.A.
- General scientific and medical lab products and equipment.
- http://www.sirex.com/

Sorvall Centrifuges
- Incubators, heat ovens, centrifuges, and drying ovens.
- http://www.sorvall.com/

Science Kit and Boreal Laboratories
- A supplier of science education supplies and materials for elementary and secondary schools, covering Biology, Chemistry, Earth, Physics, and Physical sciences.
- http://www.sciencekit.com/

The Science Fair
- Science supplies, telescopes, microscopes, chemicals glassware. Science project kits.
- http://www.thesciencefair.com/

Sigma Laboratory Centrifuges
- Manufacturer of laboratory centrifuges. We provide a full range of laboratory centrifuges.
- http://www.sigma-zentrifugen.de/

Shell-usa
- Analytical, scientific, biotech, medical, research, laboratory.
- http://shell-usa.com/

Sargent-Welch/VWR
- Scientific products for education and research.
- http://www.sargentwelch.com/

Steptech Instrument Services Ltd
- Suppliers of analytical, industrial, biotech and DOP instrumentation and services for a wide range of industrial and scientific applications.
- http://www.steptech.co.uk/

Southwest Scientific, Inc.
- Specializes in laboratory, pharmaceutical, biotechnology equipment and instrumentations.
- http://www.southwestscientific.com/