| Company | Species* | Array Type | Approx. $/#genes |
| Affymetrix | H,M,S,E | chip | $1K-3K / 6K |
| Atlas/Clontech | H,M | nylon | $475 / 588 |
| GEM/GenomeSystems | H | glass | |
| GDA1.3/GenomeSystems | H,M | nylon | $2K / 45K |
| Genosys | E | nylon | $700 / 4K |
| Pathways/Research Genetics | H,S,R | nylon | $3K / 5K |
| Synteni/Incyte | H | glass |
Nylon membranes can be reused up to 60 times; Research Genetics
says 5 times.
Affymetrix says no reuse of its chips.
Arraying and scanning equipment:
| Company | Array-System/Head-Tips/Scanner | Price |
| Axon Instruments (GenePix 4000A) | S | |
| Affymetrix / HP | S | $180K |
| Beecher Instruments | A,S | |
| BioRobotics microGrid | A | |
| Cartesian | A | $75 |
| Genomic Solutions (GSI GeneTAC 2000, LS IV) | A,S | |
| General Scanning (GSI Lumonics 5000) | S | $90K |
| Genetic Microsystems (now part of Affymetrix) | A,S | $100K |
| Genometrix | A,S | |
| GeSim Nano-Plotter | A | |
| Intelligent Bio-Instruments | A | |
| Molecular Dynamics/Amersham | A,S | |
| Microfab Piezoelectric | A | |
| Molecular Devices | S | $65K |
| Precision | S | |
| Stanford | A | |
| Telechem | H | |
| Virtek (ChipReader) | S | $60K |
Array analysis software:
| Company | Price |
| GDA1.3/GenomeSystems | $7500 |
| Atlas/Clontech | $7200 |
| Molecular Dynamics/Amersham | |
| Pathways/Research Genetics | $2850 |