Verified Nov 2026
Other
·
Strongsville, Ohio
·
Since 1884
Clark-Reliance manufactures level indication and control products and filtration and separation equipment. The company is headquartered in Strongsville, Ohio, and was founded in 1884, with the current corporate name adopted in 1963. It reports an estimated 200-500 employees and an estimated revenue band of $50-100 million, and it is privately held. Its products serve power generation, refining, gas processing, chemical, automotive, and industrial markets. Its catalog includes sight flow indicators, a product line introduced in April 2025 and listed on the company's website.
Clark-Reliance® at a glance
Revenue
$50-100M
Est. band
Employees
200-500
Founded
1884
Headquarters
Strongsville, Ohio
Industries
Automotive
Electric Vehicles
Renewable Energy
Industrial Equipment
Consumer Goods
Overview
Clark-Reliance manufactures level indication and control products and filtration and separation equipment. The company is headquartered in Strongsville, Ohio, and was founded in 1884, with the current corporate name adopted in 1963. It reports an estimated 200-500 employees and an estimated revenue band of $50-100 million, and it is privately held. Its products serve power generation, refining, gas processing, chemical, automotive, and industrial markets. Its catalog includes sight flow indicators, a product line introduced in April 2025 and listed on the company's website.
At a glance
Attribute | Detail |
|---|---|
Founded | 1884 |
Headquarters | Strongsville, Ohio |
Employees | 200-500 |
Revenue | $50-100M (estimated) |
What Clark-Reliance® makes
The company lists liquid level gauges, boiler level controls, filtration systems, and filter elements, with its products built from steel and glass components.
Products and capabilities described on the company's own site include Steel, Glass (source: clarkreliance.com).
Latest developments
2025-04-07 — JT Sight Flow Indicators | Clark-Reliance (clarkreliance.com)
Company details
The company reports serving customers in over 120 countries and has additional locations in Texas, New Jersey, and Canada, with the acquisition of John C. Ernst & Co., Inc. noted to strengthen its filtration and separation business. Clark-Reliance® was founded in 1884, has an estimated 200-500 employees, and is headquartered in Strongsville, Ohio.
Frequently asked questions
What does Clark-Reliance® do?
Clark-Reliance manufactures level indication and control products and filtration and separation equipment. The company is headquartered in Strongsville, Ohio, and was founded in 1884, with the current corporate name adopted in 1963. It reports an estimated 200-500 employees and an estimated revenue band of $50-100 million, and it is privately held. Its products serve power generation, refining, gas processing, chemical, automotive, and industrial markets. Its catalog includes sight flow indicators, a product line introduced in April 2025 and listed on the company's website.
Where is Clark-Reliance® headquartered?
Clark-Reliance® is headquartered in Strongsville, Ohio (16633 Foltz Parkway, Strongsville, Ohio, 44136).
When was Clark-Reliance® founded?
Clark-Reliance® was founded in 1884.
How big is Clark-Reliance®?
Clark-Reliance® has an estimated 200-500 employees, with revenue in the $50-100M range (estimated).
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Last verified Nov 2026. Is this your company? Request a correction.
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