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Investment Castings

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Since 1946, Thompson Investment Casting, a division of K.W. Thompson Tool Company, Inc., has been manufacturing high quality castings for a wide range of industries and applications.

About Us

Thompson Investment Casting, first began manufacturing high quality investment castings in 1946. Since those early days, investment casting has gained rapid acceptance because of its substantial cost savings over alternative manufacturing methods.

Casting Comparisons

The investment casting process or lost wax process, can produce the most intricate shapes from just about any alloy.

Casting Material FAQs

At Thompson Investment Casting our size capability ranges from a fraction of an ounce up to about 25 lbs actual casting weight.

Contact Us

We invite you to tour our plant in Rochester, New Hampshire or meet with one of our area sales representatives to discuss your specific project.

Foundry Castings

When you need professional, fast, and precise investment casting, we're positive that we have the technology and the casting expertise in our foundry to provide the lead times and the quality you depend on.

Investment Casting Process

The Thompson Investment Casting facility consists of state-of-the-art equipment and an experienced staff of skilled craftspeople and experts in the casting field.

Investment Casting News

Stay up to date with the latest news from an expert Investment Casting Company.

Metal Castings

We are frequently asked some version of the following: "Can you deliver close tolerances, fine details, and intricate shapes?" In every case, the answer is a resounding "Yes". Whether you're concerned with very close tolerances, intricate or odd shapes, fine details, or a combination of it all – we're happy to help, and we're confident we can deliver.

Nonferrous Castings

Thompson Investment Casting's can supply your company's investment castings in the as-cast condition or finish to the print in the many different grades of non ferrous alloys.

Other Alloys

Technical support is available through Thompson Investment Casting to assist you in selecting an alloy that meets your requirements.

Stainless Steel Castings

When you need stainless steel castings, you need a part or a product that can be relied on without question. In fact, in most cases you probably want a part or produce that you never have to think about again. With that in mind, one of our primary goals at Thompson Investment Casting is to produce the investment castings that you never have to second guess, stainless steel investment castings that make your life easier, and your products better.

Steel / Ferrous Castings

Thompson Investment Casting's can supply your company's investment castings in the as-cast condition or finish to the print in the many different grades of steel.

Wax Castings

When you need custom parts and components, Thompson is here for you with the latest lost wax casting technology and 50 years of experience to deliver the precision and quality that translates into better products and improved performance. If you need high precision, cost effective manufacturing, and short lead times, we’re confident that we’re everything you’re looking for in a lost wax casting provider.


41 Old Dover Road Rochester • Rochester NH 03867

Rochester NH Web Site Design & Development
Contact Info
Call 603.330.8670
Fax 603.332.8942
sthomas@ticasting.com

Thompson Investment Casting can supply your company's investment castings
in the as-cast condition or finish to the print in the many different grades of steel.