| Rank | Logo | Company | Market Cap | Country |
|---|---|---|---|---|
| 1 |  | Thermo Fisher Scientific | $172.62 B | USA |
| 2 |  | Keyence | $90.05 B | Japan |
| 3 |  | Keysight | $48.73 B | USA |
| 4 |  | Roper Technologies | $37.75 B | USA |
| 5 |  | Waters Corporation | $28.94 B | USA |
| 6 |  | Hexagon AB | $27.54 B | Sweden |
| 7 |  | Mettler Toledo | $24.34 B | USA |
| 8 |  | MKS Instruments | $15.69 B | USA |
| 9 |  | Sartorius | $13.27 B | Germany |
| 10 |  | Camtek | $7.63 B | Israel |
| 11 |  | Shimadzu | $6.89 B | Japan |
| 12 |  | Shenzhen New Industries Biomedical Engineering | $5.69 B | China |
| 13 |  | Bruker | $5.18 B | USA |
| 14 |  | HORIBA | $4.96 B | Japan |
| 15 |  | Mirion Technologies | $4.87 B | USA |
| 16 |  | Novanta | $4.25 B | USA |
| 17 |  | INFICON | $3.36 B | Switzerland |
| 18 |  | Comet Holding | $2.47 B | Switzerland |
| 19 |  | Anritsu Corporation | $2.25 B | Japan |
| 20 |  | JEOL Ltd. | $1.91 B | Japan |
| 21 |  | Amano Corporation | $1.72 B | Japan |
| 22 |  | Jenoptik | $1.64 B | Germany |
| 23 |  | Sensirion Holding | $1.07 B | Switzerland |
| 24 |  | ChemoMetec | $1.05 B | Denmark |
| 25 |  | Transcat | $0.68 B | USA |
| 26 |  | Vishay Precision Group | $0.54 B | USA |
| 27 |  | Lumibird | $0.54 B | France |
| 28 |  | Mesa Laboratories | $0.44 B | USA |
| 29 |  | Standard BioTools | $0.37 B | USA |
| 30 |  | Judges Scientific plc | $0.32 B | UK |
| 31 |  | Scientific and Medical Equipment House Company | $0.25 B | S. Arabia |
| 32 |  | Quantum-Si | $0.19 B | USA |
| 33 |  | Detection Technology | $0.17 B | Finland |
| 34 |  | XRF Scientific Limited | $0.17 B | Australia |
| 35 |  | BICO Group | $0.12 B | Sweden |
| 36 |  | VIGO Photonics | $0.11 B | Poland |
| 37 |  | SDI Group | $96.38 M | UK |
Largest Scientific & Technical Instrument companies by Market Cap
