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  • 7 leading manufacturers
  • 47 additional suppliers
  • 19 states and provinces
  • 13 related categories
  • 4 guide sections
Source: IQS Directory database snapshotOur Methodology
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Electrical Discharge Machining Companies

Play Electrical Discharge Machining Informational Video
Electrical Discharge Machining Informational Video

IQS Directory is a top industrial directory listing of leading industrial electrical discharge machining companies and suppliers. Access our comprehensive index to review and source electrical discharge machining companies with preview ads and detailed product descriptions. These electrical discharge machining companies can design and engineer electrical discharge machining's to your specifications and application need. A quick and easy to use request for quote form is provided for you to contact these electrical discharge machining companies and suppliers. Each company has detailed profile information, locations, phone number, website links, product videos and product information defined. We are the right resource for your information requirement whether its for a company of wire electrical discharge machining, EDM die sinking, or wire EDM fixture tooling.

Suppliers located in CA, IL, OH +16 more states

Read the electrical discharge machining guide
Contents (4 sections)

Leading Electrical Discharge Machining Manufacturers

Location
Certifications

Showing all 7

Certification, declaration and ownership records are on file for 1 of 7 suppliers in this list, from supplier reports IQS reviewed. A supplier without one listed may still hold it.

Leading electrical discharge machining manufacturers
Placement No.ManufacturerLocationContactActions
1

Xact Wire EDM Corp

XACT Wire EDM Corp. is one of the largest and most experienced Wire EDM Companies in the country. Our Wire EDM manufacturing capabilities include a large number of high-end machines with two locations offering advanced CMM and video inspection. We work with a wide variety of customers in the medical, defense, aerospace, automation, robotics industries as well as many companies in the metal machining, tooling & stamping industries. We are ISO 9001:2015 certified. Contact us today to learn more!

LocationWaukesha, WI
View Manufacturer
2

Twin City EDM

Twin City is ISO 9001:2000 certified for all simple & complex EDM services, in addition to many other services & their forte is producing difficult, complex parts through their state-of-the-art equipment & highly skilled staff. TC will perform the nearly impossible & is known to give both 100% in quality & service. Our flexibility & versatility provide customers with affordable convenience.

  • AS9100 (Supplier-reported, reviewed Sep 2026)
  • ISO 13485 (Supplier-reported, reviewed Sep 2026)
  • FDA registered (Supplier-reported, reviewed Sep 2026)
LocationFridley, MN
View Manufacturer
3

Sematool Precision Mfg. Inc.

At Sematool Precision Mfg. Inc., we specialize in delivering high-precision EDM services that meet the exacting demands of modern manufacturing. Our expertise in both wire and sinker EDM allows us to produce complex geometries, tight tolerances, and fine finishes that conventional machining simply can’t achieve. We work closely with our clients to develop EDM solutions tailored to unique applications, from intricate prototypes to high-volume production runs.

LocationSanta Clara, CA
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4

Master Cut EDM

At Master Cut EDM, we provide precision electrical discharge machining for customers that need clean, accurate features in difficult materials. Our company focuses on EDM solutions for tooling, production components, prototypes, molds, dies, fixtures, and specialty parts where conventional machining may not deliver the required detail or tolerance.

LocationSchaumburg, IL
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5

Triangle Precision Industries, Inc.

At Triangle Precision Industries, we specialize in precision manufacturing solutions with a strong focus on EDM machining for industries that demand accuracy, repeatability, and dependable turnaround times. We work with customers requiring intricate metal components, tight tolerances, and complex geometries that conventional machining methods may struggle to achieve efficiently.

LocationKettering, OH
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6

Reliable EDM, Inc.

At Reliable EDM, we specialize in delivering precision electrical discharge machining solutions that help manufacturers produce complex components with exceptional accuracy. Our company uses advanced wire EDM and sinker EDM systems to create intricate shapes, fine details, and tight tolerances across demanding applications.

LocationHouston, TX
View Manufacturer
7

Swiss Wire EDM

At Swiss Wire EDM, we deliver precision electrical discharge machining solutions for manufacturers that require extreme accuracy, tight tolerances, and dependable repeatability. Our company specializes in advanced wire EDM processes capable of producing intricate components from hardened metals and specialty alloys without distortion.

LocationCosta Mesa, CA
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Additional Electrical Discharge Machining Companies

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View 47 Additional Electrical Discharge Machining Companies

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Quick Answers

How many electrical discharge machining manufacturers are listed on IQS Directory?
7 leading manufacturers and 47 additional suppliers.
Where are electrical discharge machining manufacturers located?
The listed suppliers are in 19 states: California (9), Illinois (7), Ohio (7), Wisconsin (4), Minnesota (3), New York (3), Pennsylvania (3), Texas (3), and 11 more.
How do I get quotes from electrical discharge machining suppliers?
Select suppliers in the table and choose Request Quotes. IQS reviews your request and forwards it to every supplier you select.

Electrical Discharge Machining

4 sections

Electrical discharge machining is a tooling method that uses electrical energy to cut, drill, etch, and machine metal parts and is one of the most accurate types of machining. Hard metals and other materials are difficult to machine cleanly with conventional mechanical-cutting methods; therefore, EDM machining is used.

Applications of Electrical Discharge Machining

Applications, such as manufacturing molds and dies for die casting and forging are common uses of conventional EDM. It is also used for parts and components in many industries, such as food and beverage, automobile, defense, electronics, and medical. Using a dielectric fluid bath to prevent unwanted sparks and to flush away machining debris, EDM cutting and drilling is able to produce parts with high tolerances and accuracy. As there is no contact between the machine and the work piece, there is no potential for impact damage either, resulting in a high quality piece with minimal imperfections and wastage. EDM is typically used for electrically conductive materials and those commonly processed with CNC EDM include aluminum, copper, zinc, bronze, tin, silicon, titanium, and stainless steel.

How Electrical Discharge Machining Works

The process erodes the material in the path of the EDM tool using electrical discharges or sparks. The "tool electrode" forms an arc to the "work piece electrode" as the two are brought closer together, creating the intense electric field which is responsible for removing material.

The actual electrical discharge machining is accomplished through carefully created sparks, which are electrical discharges that can generate heat anywhere from eight to twenty thousand degrees. A shaped tool, electrode, or wire is used to generate the series of sparks, depending on the process. There is no actual physical cutting contact, but rather a conductive path that is established between the electrode and the material, which melts away the unwanted portions of the work piece.

Benefits of Using Electrical Discharge Machining

Electrical discharge machining has advantages over other machining techniques due to its ability to create complex and intricate parts with a high degree of accuracy. Another advantage of electrical discharge machining is its ability to machine parts on an extremely small scale.

Notable Types of Electrical Discharge Machining

Different types of machining include sinker EDM (which is used for more complex geometries and for holes and patterns) and wire EDM (which specifically cuts patterns and shapes through a selected part or assembly). CNC machines are used to guide, monitor, and control the electrical discharge machining process, as well as CAD and CAM software.