HMT LLC

Founded in 1978 in Texas (USA), HMT LLC is recognized worldwide as a pioneer and leader in aboveground storage tank technology. The company delivers complete solutions for the oil, gas, chemical, and energy industries — integrating engineering, fabrication, inspection, and maintenance to ensure safer, more efficient, and environmentally compliant operations.

Core Products & Services

• Floating seal systems (primary and secondary) engineered to minimize vapor emissions and ensure regulatory compliance.
• Internal and external floating roofs (pontoon, full-contact, composite GRP) reducing evaporation losses and improving storage efficiency.
• Aluminum geodesic domes and roof covers that prevent water ingress and corrosion while protecting product quality.
• Pivot Master floating drain systems, ensuring safe rainwater removal and product recovery without sediment contamination.
• Engineering, inspection, repair, and maintenance services (API 653, NDT, drones, ultrasonic testing) covering the complete tank lifecycle.

Global presence

Headquartered in The Woodlands, Texas, HMT operates across six continents with subsidiaries in Mexico, Argentina, Italy, the Netherlands, the UK, Bahrain, Turkey, Singapore, and Australia.
This global footprint enables the company to support projects worldwide with localized expertise and rapid response capabilities.

Why choose HMT

• Proven expertise: Over 45 years serving the global energy storage industry.
• Technology leadership: Creator of the DeckMaster (GRP) internal floating roof, recognized for superior corrosion resistance and long lifecycle value.
• Regulatory compliance: Certified under API, EPA, ISO, and AWWA standards.
• Sustainability focus: Committed to emission reduction and zero-leakage solutions.
• End-to-end service: Engineering, manufacturing, field installation, inspection, and lifecycle optimization — all under one brand.

Key clients & applications

HMT serves major oil & gas companies, petrochemical producers, storage terminals, pipeline operators, and water or biofuel facilities worldwide.
Its technologies have helped operators reduce VOC emissions, prevent leaks, and meet strict environmental regulations such as EPA standards in the United States.

How HMT works

1. Technical & environmental assessment of storage assets.
2. Tailored engineering design aligned with API/EPA codes.
3. In-house manufacturing of precision components.
4. On-site execution & integrity testing.
5. Continuous inspection, maintenance, and optimization.

Key figures

• ~1,200 employees worldwide.
• Approx. USD 750 million in annual revenue.
• Operations in over 10 countries across 6 continents.

Contact us to learn how to reduce your emissions and increase operational efficiency. Optimize your tanks with HMT technology.

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