|
ACU
|
Acme United Corporation.
|
US
|
AMEX
|
|
CLWT
|
Euro Tech Holdings Company Limited
|
US
|
NASDAQ
|
|
ELSE
|
Electro-Sensors, Inc.
|
US
|
NASDAQ
|
|
ISSC
|
Innovative Solutions and Support, Inc.
|
US
|
NASDAQ
|
|
KEYS
|
Keysight Technologies Inc.
|
US
|
NYSE
|
|
MSM
|
MSC Industrial Direct Company, Inc.
|
US
|
NYSE
|
|
MTD
|
Mettler-Toledo International, Inc.
|
US
|
NYSE
|
|
NVMI
|
Nova Measuring Instruments Ltd.
|
US
|
NASDAQ
|
|
QNGY
|
Quanergy Systems, Inc.
|
US
|
NYSE
|
|
SNA
|
Snap-On Incorporated
|
US
|
NYSE
|
|
UUU
|
Universal Security Instruments, Inc.
|
US
|
AMEX
|
|
AITUF
|
Anritsu Corp [F]
|
US
|
OTC
|
|
FSXXF
|
First Sensor Ag
|
US
|
OTC
|
|
HPHTY
|
Hamamatsu Photonics K.K
|
US
|
OTC
|
|
NINOY
|
Nikon Corporation
|
US
|
OTC
|
|
PLRTF
|
Plymouth Rock Technologies Inc.
|
US
|
OTC
|
|
QURT
|
Quarta-Rad
|
US
|
OTC
|
|
SEPJF
|
Spectris Plc [United Kingdom]
|
US
|
OTC
|
|
SHMZF
|
Shimadzu Corp [Japan]
|
US
|
OTC
|
|
SOTGY
|
Sunny Optical Tech ADR
|
US
|
OTC
|