Who We Are
Diamond Gear is a trusted manufacturer of high-quality industrial worm, bevel, and declutch override gearboxes. With headquarters and customization capabilities in our Houston, TX, location, we combine over two decades of experience with a customer-first approach. We are committed to technical excellence and providing robust, reliable gear solutions for an array of industrial applications.

What Makes Us Different
We pride ourselves on providing superior products and responsive customer service. By choosing Diamond Gear, you receive:
Preparedness for any challenge
Our large inventory of blanks allows for immediate machining on custom orders.
Heavy-duty reliability
We specialize in heavy-duty, high-quality products built to outperform commodity-grade alternatives.
Faster delivery times
We consistently offer faster delivery than competitors.
Expert technical support
We offer robust support for torque sizing, stem fits, and mounting pads.
Want to Know How Our Expertise Can Support Your Project?
Who We Serve
Diamond Gear serves a broad spectrum of industries, ensuring outstanding quality, and meeting demanding specifications across a diverse group of end users. Industries include pulp and paper, nuclear, petrochemical, LNG, power, mining, and marine and shipbuilding, including defense.

Chemical & Petrochemical

LNG & Gas Processing

Renewable Fuels

Power Generation

Pulp & Paper

Marine & Shipbuilding

Mining

Naval and Defense
Our Journey
Since 1999, Diamond Gear has developed and strengthened to meet the ever-changing needs of the market. From high-quality manufacturing to custom machining, our expansive capabilities serve clients in an array of industries. Today, we are a leading provider of gear solutions for the oil & gas, petrochemical, water, and general industrial markets.
The LPW Family of Brands
Diamond Gear is part of the LPW Group — a family of trusted industrial brands, including Ladish Valves, Smith Valves, Penn Machine, and Western Forge and Flange.
You can explore our sister companies for complementary products, such as flanges, gears, and valve automation solutions.

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A leading supplier of world-class forged flanges in exotic alloys including Hastelloy, Inconel, Titanium, Duplex and Super-Duplex, Stainless Steel, and Copper Nickel flanges across industries, founded in 1944.


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A leader in custom impression die forging, creating dies in carbon, stainless, chrome moly, aluminum, copper nickel, hastelloy, monel, and other alloys.


Community and Commitment
Our commitment extends beyond our products to the people we serve and our local communities. We are dedicated to supporting local jobs and investing in technical training to build lasting expertise. Our goal is to forge long-term partnerships with our customers, built on trust and a shared commitment to quality and reliability.
Partner With Diamond Gear
Ready to find the right gear solution for your application? Reach out to us for a quote, technical specifications, or to discuss custom solutions.