Verified Nov 2026
Electronics & Software
·
Cincinnati, Ohio
·
Since 1935
Cornerstone Controls is a privately held, employee-owned company headquartered in Cincinnati, Ohio, founded in 1935 and formed in 1991 through the merger of Reams Controls and Acme Controls. It has 200-500 employees and an estimated revenue band of $10-50 million. The company makes control valves, actuators, regulators, instrumentation, and flow computers, and provides valve repair, calibration, and process automation services to the chemical, energy, utilities, food and beverage, life sciences, mining, and oil and gas industries. Its ISO 9001 certification is listed in its record.
Cornerstone Controls at a glance
Revenue
$10-50M
Est. band
Employees
200-500
Founded
1935
Headquarters
Cincinnati, Ohio
Certifications
ISO 9001
Import activity
22
Industries
Automotive
Electric Vehicles
Electronics
Industrial Equipment
Consumer Goods
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
22
Named foreign suppliers
3
Top origins
Singapore · Italy · South Korea
Shared foreign counterparties do not establish that these companies buy from Cornerstone Controls.
What this tells a buyer
Customs trade data is not available in the record, and the most recent listed development is a Manufacturing Execution Systems Engineer job posting dated 2026-02-09 on the company's website.
Its product range covers valve automation, digital valve controllers, pneumatic actuators, and triple offset, butterfly, knife gate, and ball valves, and it is certified to ISO 9001.
The company reports roughly $25.2 million in annual revenue and about 143 to 144 employees, and it serves a broad set of process industries.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
91 years in operation (founded 1935).
Holds ISO 9001 certification(s) per public sources.
Overview
Cornerstone Controls is a privately held, employee-owned company headquartered in Cincinnati, Ohio, founded in 1935 and formed in 1991 through the merger of Reams Controls and Acme Controls. It has 200-500 employees and an estimated revenue band of $10-50 million. The company makes control valves, actuators, regulators, instrumentation, and flow computers, and provides valve repair, calibration, and process automation services to the chemical, energy, utilities, food and beverage, life sciences, mining, and oil and gas industries. Its ISO 9001 certification is listed in its record.
At a glance
Attribute | Detail |
|---|---|
Founded | 1935 |
Headquarters | Cincinnati, Ohio |
Employees | 200-500 |
Revenue | $10-50M (estimated) |
Primary capability | Electronics & Software |
Certifications | ISO 9001 |
What Cornerstone Controls makes
Its product range covers valve automation, digital valve controllers, pneumatic actuators, and triple offset, butterfly, knife gate, and ball valves, and it is certified to ISO 9001.
Products and capabilities described on the company's own site include Actuator, Valve, Machining (source: cornerstonecontrols.com).
Certifications
Cornerstone Controls is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 9001 — cornerstonecontrols.com
Trade and customs footprint
Customs trade data is not available in the record, and the most recent listed development is a Manufacturing Execution Systems Engineer job posting dated 2026-02-09 on the company's website. US customs bill-of-lading records list 22 inbound shipments across 3 foreign suppliers, with top origins including Singapore · Italy · South Korea.
Latest developments
2026-10-07 — AUTOMATION PROJECT MANAGER in Indianapolis Indiana USA (jobserve.com)
2026-02-09 — Manufacturing Execution Systems Engineer (cornerstonecontrols.com)
2025-06-16 — Solutions Architect (cornerstonecontrols.com)
2025-04-04 — Inside Sales Engineer (cornerstonecontrols.com)
Company details
The company reports roughly $25.2 million in annual revenue and about 143 to 144 employees, and it serves a broad set of process industries. Cornerstone Controls was founded in 1935, has an estimated 200-500 employees, and is headquartered in Cincinnati, Ohio. On the LightSource stability read it is rated "Established & active": 91 years in operation (founded 1935). Holds ISO 9001 certification(s) per public sources.
Frequently asked questions
What does Cornerstone Controls make?
Cornerstone Controls is a privately held, employee-owned company headquartered in Cincinnati, Ohio, founded in 1935 and formed in 1991 through the merger of Reams Controls and Acme Controls. It has 200-500 employees and an estimated revenue band of $10-50 million. The company makes control valves, actuators, regulators, instrumentation, and flow computers, and provides valve repair, calibration, and process automation services to the chemical, energy, utilities, food and beverage, life sciences, mining, and oil and gas industries. Its ISO 9001 certification is listed in its record.
Where is Cornerstone Controls headquartered?
Cornerstone Controls is headquartered in Cincinnati, Ohio (7131 E Kemper Rd, Cincinnati, Ohio, 45249).
When was Cornerstone Controls founded?
Cornerstone Controls was founded in 1935.
How big is Cornerstone Controls?
Cornerstone Controls has an estimated 200-500 employees, with revenue in the $10-50M range (estimated).
What certifications does Cornerstone Controls hold?
Cornerstone Controls lists ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
Does Cornerstone Controls import from overseas suppliers?
US customs bill-of-lading records show 22 inbound shipments for Cornerstone Controls, with top origins including Singapore · Italy · South Korea.
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Last verified Nov 2026. Is this your company? Request a correction.
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