Verified Nov 2026
Electronics & Software
·
Schofield, Wisconsin
·
Since 1947
Greenheck is a manufacturer of air movement, control, and conditioning equipment, headquartered in Schofield, Wisconsin, United States. Founded in 1947, it is a family-owned company with an estimated 5,000 to 10,000 employees and an estimated revenue band of $1 to 5 billion. Its products include fans, energy recovery ventilators, and make-up air units, and it serves the automotive, electric vehicle, electronics, construction, medical, and renewable energy industries. The company recently announced a major expansion in Oklahoma, according to its own website.
Greenheck at a glance
Revenue
$1-5B
Est. band
Employees
5,000-10,000
Founded
1947
Headquarters
Schofield, Wisconsin
Certifications
ISO 9001
Import activity
1574
Industries
Automotive
Electric Vehicles
Electronics
Construction
Medical
Renewable Energy
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
1574
Named foreign suppliers
50
Top origins
China · Vietnam · Taiwan · Hong Kong S.A.R.
Shared foreign counterparties do not establish that these companies buy from Greenheck.
What this tells a buyer
Customs records show 1,574 shipments linked to the company, with origins including China, Vietnam, Taiwan, and India.
The company holds ISO 9001 certification and lists fans, energy recovery ventilators, makeup air units, lab exhaust systems, and dampers among its product categories.
The company operates manufacturing facilities in Wisconsin, Oklahoma, and Saltillo, Mexico, and reported a Manufacturing Execution System selection in September 2026.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
79 years in operation (founded 1947).
1,574 US import shipments on record.
Holds ISO 9001 certification(s) per public sources.
Overview
Greenheck is a manufacturer of air movement, control, and conditioning equipment, headquartered in Schofield, Wisconsin, United States. Founded in 1947, it is a family-owned company with an estimated 5,000 to 10,000 employees and an estimated revenue band of $1 to 5 billion. Its products include fans, energy recovery ventilators, and make-up air units, and it serves the automotive, electric vehicle, electronics, construction, medical, and renewable energy industries. The company recently announced a major expansion in Oklahoma, according to its own website.
At a glance
Attribute | Detail |
|---|---|
Founded | 1947 |
Headquarters | Schofield, Wisconsin |
Employees | 5,000-10,000 |
Revenue | $1-5B (estimated) |
Primary capability | Electronics & Software |
Certifications | ISO 9001 |
What Greenheck makes
The company holds ISO 9001 certification and lists fans, energy recovery ventilators, makeup air units, lab exhaust systems, and dampers among its product categories.
Products and capabilities described on the company's own site include Bearing, Actuator, Axle (source: greenheck.com).
Certifications
Greenheck is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 9001 — greenheck.com
Trade and customs footprint
Customs records show 1,574 shipments linked to the company, with origins including China, Vietnam, Taiwan, and India. US customs bill-of-lading records list 1574 inbound shipments across 50 foreign suppliers, with top origins including China · Vietnam · Taiwan · Hong Kong S.A.R..
Latest developments
2026-09-21 — Tulsa Regional Chamber - Greenheck Group celebrates nearly 10-year legacy in Tulsa (tulsachamber.com)
2026-09-09 — Greenheck Selects Critical Manufacturing MES for Efficiency - Critical Manufacturing (criticalmanufacturing.com)
2026-09-03 — Greenheck Group Plans Major OK Expansion | Greenheck Group (greenheckgroup.com)
2026-03-05 — Knoxville, Here We Grow | Greenheck Group (greenheckgroup.com)
2026-03-02 — Knoxville - Greenheck Group (greenheckgroup.com)
2025-12-31 — Greenheck Awarded Sourcewell Cooperative Contract (greenheck.com)
Facilities
Greenheck is headquartered in Schofield, Wisconsin. Public sources also reference these locations:
Owasso, Oklahoma — greenheckgroup.com
Wisconsin — knoxvillechamber.com
Saltillo, Mexico — greenheck.com
Wisconsin, Oklahoma — greenheckgroup.com
Schofield, WI — contractingbusiness.com
Company details
The company operates manufacturing facilities in Wisconsin, Oklahoma, and Saltillo, Mexico, and reported a Manufacturing Execution System selection in September 2026. Greenheck was founded in 1947, has an estimated 5,000-10,000 employees, and is headquartered in Schofield, Wisconsin. On the LightSource stability read it is rated "Established & active": 79 years in operation (founded 1947). 1,574 US import shipments on record. Holds ISO 9001 certification(s) per public sources.
Frequently asked questions
What does Greenheck make?
Greenheck is a manufacturer of air movement, control, and conditioning equipment, headquartered in Schofield, Wisconsin, United States. Founded in 1947, it is a family-owned company with an estimated 5,000 to 10,000 employees and an estimated revenue band of $1 to 5 billion. Its products include fans, energy recovery ventilators, and make-up air units, and it serves the automotive, electric vehicle, electronics, construction, medical, and renewable energy industries. The company recently announced a major expansion in Oklahoma, according to its own website.
Where is Greenheck headquartered?
Greenheck is headquartered in Schofield, Wisconsin (1100 Greenheck Drive, Schofield, Wisconsin, 54476).
When was Greenheck founded?
Greenheck was founded in 1947.
How big is Greenheck?
Greenheck has an estimated 5,000-10,000 employees, with revenue in the $1-5B range (estimated).
What certifications does Greenheck hold?
Greenheck lists ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
Does Greenheck import from overseas suppliers?
US customs bill-of-lading records show 1574 inbound shipments for Greenheck, with top origins including China · Vietnam · Taiwan · Hong Kong S.A.R..
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Last verified Nov 2026. Is this your company? Request a correction.
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