TSI's Quality policy is to meet or exceed our customers' needs and expectations through continual improvement of our processes, products and services. Below, we have listed links to various forms of certifications:
 

Auburn, IL
ISO/IEC 17025 2017 (Auburn)
ISO 9001:2015 (Auburn)

High Wycombe, UK
ISO/IEC 17025:2017 (High Wycombe)
TSI Instruments Ltd. BS EN ISO 9001:2015 Certificate
TSI Instruments Ltd: ISO 14001:2015

Korea
MSPC Korea, a Division of TSI: ISO 9001:2015 

Shoreview, MN
TSI Incorporated ISO 9001:2015 Certificate (Shoreview) 
ISO/IEC 17025:2017 (Shoreview)
MSP, a Division of TSI: ISO 9001:2015 

Singapore
ISO 9001 : 2015 (Singapore)