Verified Nov 2026
CNC Machining
·
Westminster, South Carolina
·
Since 1987
US Engine Valve is a manufacturer of intake and exhaust engine valves headquartered in Westminster, South Carolina, United States. Founded in 1987 as a joint venture between Eaton Corporation and Nittan Valve Co. Ltd. of Japan, the company has an estimated 100-200 employees and an estimated annual revenue of $50-100 million. It is privately held and serves the automotive, electric-vehicle, and industrial-equipment industries. Its primary capability is CNC machining of engine valves for a range of engine applications.
US Engine Valve at a glance
Revenue
$50-100M
Est. band
Employees
100-200
Founded
1987
Headquarters
Westminster, South Carolina
Certifications
IATF 16949 · ISO 14001 · ISO 9001
Import activity
559
Industries
Automotive
Electric Vehicles
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
559
Named foreign suppliers
32
Top origins
Brazil · China · Colombia · Japan
Shared foreign counterparties do not establish that these companies buy from US Engine Valve.
What this tells a buyer
Public job postings for roles including Program Manager and Manufacturing Engineer at the Westminster site appeared in 2026, indicating ongoing hiring activity at the plant.
The company holds IATF 16949, ISO 9001, and ISO 14001 registrations, covering automotive quality management and environmental management systems.
The company is privately held, with an estimated 100-200 employees and an estimated revenue band of $50-100 million, and it serves the automotive, electric-vehicle, and industrial-equipment sectors.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
39 years in operation (founded 1987).
Holds IATF 16949, ISO 14001, ISO 9001 certification(s) per public sources.
Overview
US Engine Valve is a manufacturer of intake and exhaust engine valves headquartered in Westminster, South Carolina, United States. Founded in 1987 as a joint venture between Eaton Corporation and Nittan Valve Co. Ltd. of Japan, the company has an estimated 100-200 employees and an estimated annual revenue of $50-100 million. It is privately held and serves the automotive, electric-vehicle, and industrial-equipment industries. Its primary capability is CNC machining of engine valves for a range of engine applications.
At a glance
Attribute | Detail |
|---|---|
Founded | 1987 |
Headquarters | Westminster, South Carolina |
Employees | 100-200 |
Revenue | $50-100M (estimated) |
Primary capability | CNC Machining |
Certifications | IATF 16949 · ISO 14001 · ISO 9001 |
What US Engine Valve makes
The company holds IATF 16949, ISO 9001, and ISO 14001 registrations, covering automotive quality management and environmental management systems.
Certifications
US Engine Valve is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
IATF 16949 — usenginevalve.com
ISO 14001 — usenginevalve.com
ISO 9001 — usenginevalve.com
Trade and customs footprint
Public job postings for roles including Program Manager and Manufacturing Engineer at the Westminster site appeared in 2026, indicating ongoing hiring activity at the plant. US customs bill-of-lading records list 559 inbound shipments across 32 foreign suppliers, with top origins including Brazil · China · Colombia · Japan.
Latest developments
2026-10-22 — Program Manager job at US Engine Valve in Westminster (univision.com)
2026-09-28 — Manufacturing Engineer – US Engine Valve | Westminster, SC (jobsparx.com)
2026-08-12 — U.S. Engine Valve | Precision in Motion (usenginevalve.com)
2026-07-04 — 2nd Shift Production Supervisor Job in Westminster, CO at US Engine Valve (mediabistro.com)
2025-06-10 — Master Technician Job Posting Basic Qualifications: | Clay Murphy (linkedin.com)
Company details
The company is privately held, with an estimated 100-200 employees and an estimated revenue band of $50-100 million, and it serves the automotive, electric-vehicle, and industrial-equipment sectors. US Engine Valve was founded in 1987, has an estimated 100-200 employees, and is headquartered in Westminster, South Carolina. On the LightSource stability read it is rated "Established & active": 39 years in operation (founded 1987). Holds IATF 16949, ISO 14001, ISO 9001 certification(s) per public sources.
Frequently asked questions
What does US Engine Valve make?
US Engine Valve is a manufacturer of intake and exhaust engine valves headquartered in Westminster, South Carolina, United States. Founded in 1987 as a joint venture between Eaton Corporation and Nittan Valve Co. Ltd. of Japan, the company has an estimated 100-200 employees and an estimated annual revenue of $50-100 million. It is privately held and serves the automotive, electric-vehicle, and industrial-equipment industries. Its primary capability is CNC machining of engine valves for a range of engine applications.
Where is US Engine Valve headquartered?
US Engine Valve is headquartered in Westminster, South Carolina (7039 S Highway 11, Westminster, South Carolina, 29693).
When was US Engine Valve founded?
US Engine Valve was founded in 1987.
How big is US Engine Valve?
US Engine Valve has an estimated 100-200 employees, with revenue in the $50-100M range (estimated).
What certifications does US Engine Valve hold?
US Engine Valve lists IATF 16949 · ISO 14001 · ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
Does US Engine Valve import from overseas suppliers?
US customs bill-of-lading records show 559 inbound shipments for US Engine Valve, with top origins including Brazil · China · Colombia · Japan.
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Last verified Nov 2026. Is this your company? Request a correction.
Location & contact
Phone
+1 864-647-2061
Certification
IATF 16949 · ISO 14001 · ISO 9001
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