Verified Nov 2026
Batteries & E-Mobility
·
Hillsboro, Ohio
·
Since 1988
Weastec, Inc. manufactures automotive and electronics components, including sensors, electro-mechanical switches, and sensor/electronic modules for vehicles. The company is headquartered in Hillsboro, Ohio, United States, was founded in 1988 as a subsidiary of Toyodenso Co., and operates within the Toyodenso Group. It has an estimated 100-200 employees and an estimated revenue band of $50-100M. Its end markets include automotive, electric vehicles, electronics, plumbing hardware, and industrial equipment. The company reports Honda as a customer, and Weastec received an operational excellence award from Honda in May 2026.
Weastec, Inc. at a glance
Revenue
$50-100M
Est. band
Employees
100-200
Founded
1988
Headquarters
Hillsboro, Ohio
Certifications
IATF 16949 · ISO 14001 · ISO 9001
Import activity
3056
Industries
Automotive
Electric Vehicles
Electronics
Plumbing & Hardware
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
3056
Named foreign suppliers
10
Top origins
Vietnam · China · Japan · Thailand
Shared foreign counterparties do not establish that these companies buy from Weastec, Inc..
What this tells a buyer
Weastec received a Honda operational excellence award on May 4, 2026, according to the company's website.
The company holds IATF 16949, ISO 9001, and ISO 14001 certifications and lists products that include transmission, steering, emissions, and electronics components.
Weastec is privately held, is a subsidiary within the Toyodenso Group, and completed a share transfer announced on October 1, 2026.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
38 years in operation (founded 1988).
Holds IATF 16949, ISO 14001, ISO 9001 certification(s) per public sources.
Overview
Weastec, Inc. manufactures automotive and electronics components, including sensors, electro-mechanical switches, and sensor/electronic modules for vehicles. The company is headquartered in Hillsboro, Ohio, United States, was founded in 1988 as a subsidiary of Toyodenso Co., and operates within the Toyodenso Group. It has an estimated 100-200 employees and an estimated revenue band of $50-100M. Its end markets include automotive, electric vehicles, electronics, plumbing hardware, and industrial equipment. The company reports Honda as a customer, and Weastec received an operational excellence award from Honda in May 2026.
At a glance
Attribute | Detail |
|---|---|
Founded | 1988 |
Headquarters | Hillsboro, Ohio |
Employees | 100-200 |
Revenue | $50-100M (estimated) |
Primary capability | Batteries & E-Mobility |
Certifications | IATF 16949 · ISO 14001 · ISO 9001 |
What Weastec, Inc. makes
The company holds IATF 16949, ISO 9001, and ISO 14001 certifications and lists products that include transmission, steering, emissions, and electronics components.
Products and capabilities described on the company's own site include Transmission, Plastic, Electronics, Steering, Mold, Emissions, Gear (source: weastec.com).
Certifications
Weastec, Inc. is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
IATF 16949 — weastec.com
ISO 14001 — weastec.com
ISO 9001 — weastec.com
Trade and customs footprint
Weastec received a Honda operational excellence award on May 4, 2026, according to the company's website. US customs bill-of-lading records list 3056 inbound shipments across 10 foreign suppliers, with top origins including Vietnam · China · Japan · Thailand.
Known customers
The counterparties below come from public sources that state the relationship directly. A shared counterparty does not by itself establish a current buying relationship unless the source says so:
Honda — reported by weastec.com
Latest developments
2026-10-01 — Announcement of Completion of Share Transfer - Weastec (weastec.com)
2026-06-09 — Visit with Mr. Kiyoshi Koide, President & CEO - Weastec (weastec.com)
2026-05-04 — Weastec recognized by Honda with award for operational excellence - Weastec (weastec.com)
2025-07-14 — Weastec lights the way for pollinators with year two of growing commitment | The Highland County Press (highlandcountypress.com)
2025-06-11 — Joint Venture Establishment - Weastec (weastec.com)
2025-03-03 — Akira Yamada Assumes Presidency at Weastec Inc. - Weastec (weastec.com)
Company details
Weastec is privately held, is a subsidiary within the Toyodenso Group, and completed a share transfer announced on October 1, 2026. Weastec, Inc. was founded in 1988, has an estimated 100-200 employees, and is headquartered in Hillsboro, Ohio. On the LightSource stability read it is rated "Established & active": 38 years in operation (founded 1988). Holds IATF 16949, ISO 14001, ISO 9001 certification(s) per public sources.
Frequently asked questions
What does Weastec, Inc. make?
Weastec, Inc. manufactures automotive and electronics components, including sensors, electro-mechanical switches, and sensor/electronic modules for vehicles. The company is headquartered in Hillsboro, Ohio, United States, was founded in 1988 as a subsidiary of Toyodenso Co., and operates within the Toyodenso Group. It has an estimated 100-200 employees and an estimated revenue band of $50-100M. Its end markets include automotive, electric vehicles, electronics, plumbing hardware, and industrial equipment. The company reports Honda as a customer, and Weastec received an operational excellence award from Honda in May 2026.
Where is Weastec, Inc. headquartered?
Weastec, Inc. is headquartered in Hillsboro, Ohio (1600 N High St, Hillsboro, Ohio, 45133-8259).
When was Weastec, Inc. founded?
Weastec, Inc. was founded in 1988.
How big is Weastec, Inc.?
Weastec, Inc. has an estimated 100-200 employees, with revenue in the $50-100M range (estimated).
What certifications does Weastec, Inc. hold?
Weastec, Inc. lists IATF 16949 · ISO 14001 · ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
Does Weastec, Inc. import from overseas suppliers?
US customs bill-of-lading records show 3056 inbound shipments for Weastec, Inc., with top origins including Vietnam · China · Japan · Thailand.
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Last verified Nov 2026. Is this your company? Request a correction.
Location & contact
Phone
+1 937-393-6800
Certification
IATF 16949 · ISO 14001 · ISO 9001
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