v3.26.3
Note 1 - Basis of Presentation and Summary of Significant Accounting Policies (Tables)
12 Months Ended
Jun. 30, 2026
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)^^

 Nil 

Cayman Islands

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.#*

 100%

Penang and Selangor, Malaysia

Prestal Enterprise Sdn. Bhd. (76% owned by Trio-Tech International Pte. Ltd.)

 76%

Selangor, Malaysia

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.)^

 Nil 

Batam, Indonesia

Trio-Tech (Tianjin) Co., Ltd. *

 100%

Tianjin, China

Trio-Tech (Jiangsu) Co., Ltd. (100% owned by Trio-Tech (SIP) Co., Ltd.)

 100%

Suzhou, China