Hitherm, L.L.C.

Specializing in proprietary, patent

backed HT

300® and HT

450® polyiso insulations, it delivers best

in

class thermal and flame/smoke performance.

With installations on major projects—from the White House piping retrofit to Las Vegas resorts, airports, and biotech facilities—it blends scale with precision.

It serves chilled

and hot

water systems, steam lines, cryogenics, and pharmaceutical plants, demonstrating versatility across industrial and commercial sectors.

Operating from Cerritos, CA, with strategic North America distribution in Texas, it maintains lean operations with deep technical expertise.

Its distinguishing strength lies in patented formulations and consistent performance ratings that outpace traditional insulation makers.

Innovation: We strive to push the boundaries of innovation, ensuring our solutions meet the highest standards of quality and performance.

Collaboration: Working together is fundamental to our success. We value team

based problem solving and encourage open communication.

Customer

centric: We prioritize our customers' needs and aim to exceed their expectations with every interaction.

Integrity: We maintain the highest ethical standards, fostering a culture of honesty, transparency, and accountability.

Excellence: We are committed to delivering outstanding performance and superior results in every project.