TOP HI-TECH INC.

Company Profile

THT-EX North America provides hazardous-area lighting and specialized industrial solutions for customers, distributors, engineering partners, and industrial projects across the North American market.

Since establishing our North American presence in 2016, we have continued to expand our local sales, distribution, application support, engineering coordination, and long-term customer service capabilities.

Our solutions focus on hazardous and demanding industrial environments, including UL 844 hazardous-location lighting, extreme-temperature lighting solutions, visual safety systems, UVC solutions, and specialized low-voltage lighting applications.

Backed by more than two decades of experience in hazardous-environment product design and manufacturing, THT-EX combines engineering expertise with established manufacturing, testing, and quality-control capabilities in Taiwan. Our experience covers explosion-proof lighting, outdoor and waterproof products, high- and low-temperature applications, and other harsh-environment requirements.

Selected THT-EX product platforms are engineered for demanding conditions such as elevated or extremely low ambient temperatures, high ingress protection requirements, corrosion, moisture, dust, and other challenging industrial environments. Product selection and certification requirements are determined according to the specific application and local standards.

Our goal is to provide North American customers and partners with reliable products, responsive engineering support, and practical hazardous-area solutions—from product selection and certification coordination to long-term project cooperation.

Local Support. Global Engineering. Proven Manufacturing.

THT-EX North America connects local market expertise with THT-EX engineering and manufacturing capabilities to deliver safer, more reliable solutions for demanding industrial applications.

THT-EX in Service

• Engineered for harsh and hazardous industrial environments
• Advanced thermal management for long-term reliability
• Optical solutions designed to improve lighting performance and visual comfort
• Products tested for demanding operating and switching conditions
• Customization and application support for specific project requirements


Competitive Advantages

• Extreme-temperature explosion-proof lighting solutions for selected applications up to +120°C
• Low-temperature lighting solutions for selected applications down to -65°C
• UL 844 hazardous-location lighting solutions for North American industrial applications
• Selected explosion-proof lighting products available with ABS certification for marine applications
• More than two decades of hazardous-environment engineering and manufacturing experience
• ISO 9001 and ISO 14001 certified management systems
• D-U-N-S® Registered
• Manufacturing and quality systems supporting applicable QAN / QAR requirements
• R&D engineers with IECEx-related training and hazardous-area application expertise
• Selected lighting solutions support AC / DC power supply configurations
• Solutions available for gas, dust, marine, and other demanding hazardous-area applications
• Application engineering, product customization, and certification support
• In-house manufacturing capabilities supporting product quality, engineering flexibility, and responsive delivery


North American Presence

THT-EX North America
Houston, Texas, USA

Supporting customers, distributors, engineering partners, and industrial projects across North America since 2016.

Our North American operations support local sales, distribution, application assistance, engineering coordination, and long-term customer service.


Global Engineering & Manufacturing

THT-EX Headquarters
New Taipei City, Taiwan

Backed by more than two decades of hazardous-environment design, engineering, manufacturing, testing, and quality-control experience.

THT-EX combines North American market support with established engineering and manufacturing capabilities in Taiwan to deliver reliable solutions for demanding industrial applications.


Capital: USD 3.44 million

North American Office:
933 E Airtex Drive, Houston, TX 77073, USA

Headquarters:
New Taipei City, Taiwan

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 
 
●Taiwan Headquarters
Add.: 9F, No. 1, Zhongshan Road, Tucheng Dist. New Taipei City, 236044, Taiwan
Tel: 886-2-2267-1234
Fax: 886-2-2269-1166
 
●Houston, U.S.A. Subsidiary
Add.: 933 East Airtex Drive, Houston, TX 77073
Cell: +1-781-333-9313 
 
●Japan Office
Add.: 4-9, Yaogi Kita, Yao Shi, Osaka Fu, 581-0016, Japan
Contact: 
Mr. Urahigashi Masao
Tel: +81-72-924-7142
 
●Middle East (UAE) Office
Technofy LLC
Add: Sharjah, UAE
Contact: Mr. Pankaj Lalwani 
Tel +971-56-3000849
E-mail:
Pankaj@technofyme.com