Note 1 - Basis of Presentation and Summary of Significant Accounting Policies. (Tables)

12 Months Ended

Jun. 30, 2022

Notes Tables

Schedule of Subsidiary of Limited Liability Company or Limited Partnership, Description [Table Text Block]

	Ownership	Location
Express Test Corporation (Dormant)	100%	Van Nuys, California
Trio-Tech Reliability Services (Dormant)	100%	Van Nuys, California
KTS Incorporated, dba Universal Systems (Dormant)	100%	Van Nuys, California
European Electronic Test Centre (Dormant)	100%	Dublin, Ireland
Trio-Tech International Pte. Ltd.	100%	Singapore
Universal (Far East) Pte. Ltd.  *	100%	Singapore
Trio-Tech International (Thailand) Co. Ltd. *	100%	Bangkok, Thailand
Trio-Tech (Bangkok) Co. Ltd.*	100%	Bangkok, Thailand
Trio-Tech (Malaysia) Sdn. Bhd. (50% owned by Trio-Tech International Pte. Ltd.)	55%	Penang and Selangor, Malaysia
Trio-Tech (Kuala Lumpur) Sdn. Bhd.	55%	Selangor, Malaysia
(100% owned by Trio-Tech Malaysia Sdn. Bhd.)
Prestal Enterprise Sdn. Bhd.	76%	Selangor, Malaysia
(76% owned by Trio-Tech International Pte. Ltd.)
Trio-Tech (SIP) Co., Ltd. *	100%	Suzhou, China
Trio-Tech (Chongqing) Co. Ltd. *	100%	Chongqing, China
SHI International Pte. Ltd. (Dormant) (55% owned by Trio-Tech International Pte. Ltd)	55%	Singapore
PT SHI Indonesia (Dormant) (95% owned by SHI International Pte. Ltd.)	52%	Batam, Indonesia
Trio-Tech (Tianjin) Co., Ltd. *	100%	Tianjin, China
Trio-Tech (Jiangsu) Co., Ltd.	51%	Suzhou, China