MetalConsult
- Provides used metallurgical microscopes and grinding and polishing machine for specimens preparation.
- http://www.metalconsult.com/

Overbrook Scientific
- Dealers and refurbishers of pre-owned GC, GC/MS, AA, ICP, ICPMS, LS/MS and MSMS systems.
- http://overbrookscientific.com/

Scientific Surplus
- Buys, sells, and trades electronic and scientific instruments, including oscilloscopes, microscopes, signal generators, RF equipment, short and long wave radios, meters, and wattmeters. Includes a mailing list.
- http://scientificsurplus.com/

Block Scientific, Inc.
- Refurbished clinical and research laboratory equipment. Includes equipment wish list, product search, specials, and upcoming events.
- http://www.blockscientific.com/

Platinum Chromatography, Inc.
- Used analytical laboratory equipment, including ion chromatography equipment. Services include on-site repair, exchanges, and method development.
- http://platinumchromatography.com/

Analytical Instrument Recycle, Inc.
- Reconditioned and used analytical laboratory equipment and instruments. Services include custom configuration, delivery, and installation.
- http://www.aironline.com/

Used Line
- Directory of used laboratory equipment and dealers.
- http://www.used-line.com/

GenTech Scientific, Inc.
- Refurbished analytical instruments. Offers warranties, financing, delivery, and repair services.
- http://www.gcmsservice.com/