Verified Nov 2026
Tool & Die
·

Mount Prospect, Illinois
·
Since 1979
Sumitomo Electric Carbide, Inc. manufactures cutting tools and tool materials, including cemented carbide, CBN, PCD, and sintered diamond products for turning, drilling, and milling. The company is headquartered in Mount Prospect, Illinois, was founded in 1979, and employs an estimated 200 to 500 people. It is a privately held U.S. subsidiary of Sumitomo Electric Hardmetal Corporation, part of Sumitomo Electric Industries, Ltd. It serves the automotive, electric-vehicle, aerospace, electronics, industrial equipment, and plumbing hardware industries. In October 2025, the company reported a dedicated aerospace business development team.
Sumitomo Electric Carbide at a glance
Revenue
$50-100M
Est. band
Employees
200-500
Founded
1979
Headquarters
Mount Prospect, Illinois
Certifications
ISO 9001 · ITAR registered
Import activity
198
Industries
Automotive
Electric Vehicles
Electronics
Plumbing & Hardware
Industrial Equipment
Aerospace
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
198
Named foreign suppliers
16
Top origins
Portugal · South Korea · Germany · Japan

Shared foreign counterparties do not establish that these companies buy from Sumitomo Electric Carbide.
What this tells a buyer
No customs trade records were found for this company in the available data.
The company holds ISO 9001 certification and is ITAR registered, and its product lines cover carbide, CBN, PCD, and sintered diamond tooling for machining applications.
The company is an estimated $50 to $100 million revenue business and is a subsidiary of the Japan-based Sumitomo Electric Hardmetal Corporation.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
47 years in operation (founded 1979).
Holds ISO 9001, ITAR registered certification(s) per public sources.
Overview
Sumitomo Electric Carbide, Inc. manufactures cutting tools and tool materials, including cemented carbide, CBN, PCD, and sintered diamond products for turning, drilling, and milling. The company is headquartered in Mount Prospect, Illinois, was founded in 1979, and employs an estimated 200 to 500 people. It is a privately held U.S. subsidiary of Sumitomo Electric Hardmetal Corporation, part of Sumitomo Electric Industries, Ltd. It serves the automotive, electric-vehicle, aerospace, electronics, industrial equipment, and plumbing hardware industries. In October 2025, the company reported a dedicated aerospace business development team.
At a glance
Attribute | Detail |
|---|---|
Founded | 1979 |
Headquarters | Mount Prospect, Illinois |
Employees | 200-500 |
Revenue | $50-100M (estimated) |
Primary capability | Tool & Die |
Certifications | ISO 9001 · ITAR registered |
What Sumitomo Electric Carbide makes
The company holds ISO 9001 certification and is ITAR registered, and its product lines cover carbide, CBN, PCD, and sintered diamond tooling for machining applications.
Products and capabilities described on the company's own site include Machining, Steel, Coating, Tooling, Transmission, Brake, Steering, Valve (source: sumicarbide.com).
Certifications
Sumitomo Electric Carbide is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 9001 — huskregistrars.com
ITAR registered — ctemag.com
Trade and customs footprint
No customs trade records were found for this company in the available data. US customs bill-of-lading records list 198 inbound shipments across 16 foreign suppliers, with top origins including Portugal · South Korea · Germany · Japan.
Latest developments
2026-08-17 — Expanding the Lineup of Coated Carbide Grade "AC1135U" for Small Lathes and Autolathes to Meet Increasing High-precision Machining Needs | News | SUMITOMO ELECTRIC HARDMETAL (sumitool.com)
2025-11-02 — Sumitomo Strengthens Aerospace Focus with Dedicated Business Development Team! - MTDCNC - The home of CNC milling. turning, 5 axis and precision machining (mtdcnc.com)
2025-10-30 — Sumitomo strengthens support for aerospace industry with business… (ctemag.com)
2025-10-02 — High Performance Cutting Tools (sumicarbide.com)
2025-02-13 — New info on Sumitomo's Reconditioning Program is here! | Sumitomo Electric Carbide (linkedin.com)
2025-01-15 — Development and Launch of New Coated Carbide Grade ACS1000 for Stainless Steel/Exotic Alloy Milling and Expansion of Applicable Cutters/Drills using ACS2500/ACS3000 Grades | Sumitomo Electric (sumitomoelectric.com)
Facilities
Sumitomo Electric Carbide is headquartered in Mount Prospect, Illinois. Public sources also reference these locations:
New Berlin, Wisconsin — linkedin.com
New Berlin, WI — mfgnewsweb.com
Company details
The company is an estimated $50 to $100 million revenue business and is a subsidiary of the Japan-based Sumitomo Electric Hardmetal Corporation. Sumitomo Electric Carbide was founded in 1979, has an estimated 200-500 employees, and is headquartered in Mount Prospect, Illinois. On the LightSource stability read it is rated "Established & active": 47 years in operation (founded 1979). Holds ISO 9001, ITAR registered certification(s) per public sources.
Frequently asked questions
What does Sumitomo Electric Carbide make?
Sumitomo Electric Carbide, Inc. manufactures cutting tools and tool materials, including cemented carbide, CBN, PCD, and sintered diamond products for turning, drilling, and milling. The company is headquartered in Mount Prospect, Illinois, was founded in 1979, and employs an estimated 200 to 500 people. It is a privately held U.S. subsidiary of Sumitomo Electric Hardmetal Corporation, part of Sumitomo Electric Industries, Ltd. It serves the automotive, electric-vehicle, aerospace, electronics, industrial equipment, and plumbing hardware industries. In October 2025, the company reported a dedicated aerospace business development team.
Where is Sumitomo Electric Carbide headquartered?
Sumitomo Electric Carbide is headquartered in Mount Prospect, Illinois (1001 E Business Center Dr, Mount Prospect, Illinois, 60056).
When was Sumitomo Electric Carbide founded?
Sumitomo Electric Carbide was founded in 1979.
How big is Sumitomo Electric Carbide?
Sumitomo Electric Carbide has an estimated 200-500 employees, with revenue in the $50-100M range (estimated).
What certifications does Sumitomo Electric Carbide hold?
Sumitomo Electric Carbide lists ISO 9001 · ITAR registered on its website. Confirm the certified scope for the specific plant producing your part.
Does Sumitomo Electric Carbide import from overseas suppliers?
US customs bill-of-lading records show 198 inbound shipments for Sumitomo Electric Carbide, with top origins including Portugal · South Korea · Germany · Japan.
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Last verified Nov 2026. Is this your company? Request a correction.
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