Verified Nov 2026
Lighting
·
Kleinostheim, Bavaria
·
Since 1851
Heraeus Covantics manufactures high-purity quartz glass, fused silica, ceramics, and composites, including semi-finished products and custom system components. The company is headquartered in Kleinostheim, Bavaria, Germany, and was established on January 1, 2025 through the merger of Heraeus Conamic and Heraeus Comvance, drawing on fused silica expertise dating to 1851. It employs an estimated 1,000 to 5,000 people and serves the automotive, electronics, and medical industries. In March 2025 it unveiled a manufacturing plant in Shenyang, China, and in September 2025 it was reported to be working with Microsoft on hollow core fiber for datacom networks.
Heraeus Covantics at a glance
Revenue
$10-50M
Est. band
Employees
1,000-5,000
Founded
1851
Headquarters
Kleinostheim, Bavaria
Certifications
ISO 14001 · ISO 9001
Import activity
36
Industries
Automotive
Electronics
Medical
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
36
Named foreign suppliers
9
Top origins
China · Germany · South Korea · Belgium
Shared foreign counterparties do not establish that these companies buy from Heraeus Covantics.
What this tells a buyer
No customs shipment records were found for the company, and it has announced new facility and product activity in 2025, including a Shenyang plant opening in March and the Suprasil SmartPlate product unveiled in September.
Its listed capabilities include semiconductor, emissions, machining, and glass products, and it holds ISO 9001 and ISO 14001 certifications.
The company is privately held, with an estimated annual revenue band of $10 to 50 million.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
175 years in operation (founded 1851).
Holds ISO 14001, ISO 9001 certification(s) per public sources.
Overview
Heraeus Covantics manufactures high-purity quartz glass, fused silica, ceramics, and composites, including semi-finished products and custom system components. The company is headquartered in Kleinostheim, Bavaria, Germany, and was established on January 1, 2025 through the merger of Heraeus Conamic and Heraeus Comvance, drawing on fused silica expertise dating to 1851. It employs an estimated 1,000 to 5,000 people and serves the automotive, electronics, and medical industries. In March 2025 it unveiled a manufacturing plant in Shenyang, China, and in September 2025 it was reported to be working with Microsoft on hollow core fiber for datacom networks.
At a glance
Attribute | Detail |
|---|---|
Founded | 1851 |
Headquarters | Kleinostheim, Bavaria |
Employees | 1,000-5,000 |
Revenue | $10-50M (estimated) |
Primary capability | Lighting |
Certifications | ISO 14001 · ISO 9001 |
What Heraeus Covantics makes
Its listed capabilities include semiconductor, emissions, machining, and glass products, and it holds ISO 9001 and ISO 14001 certifications.
Products and capabilities described on the company's own site include Semiconductor, Emissions, Machining, Glass (source: heraeus-covantics.com).
Certifications
Heraeus Covantics is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 14001 — heraeus-covantics.com
ISO 9001 — heraeus-covantics.com
Trade and customs footprint
No customs shipment records were found for the company, and it has announced new facility and product activity in 2025, including a Shenyang plant opening in March and the Suprasil SmartPlate product unveiled in September. US customs bill-of-lading records list 36 inbound shipments across 9 foreign suppliers, with top origins including China · Germany · South Korea · Belgium.
Latest developments
2025-09-24 — Microsoft preps cloud for AI with Corning, Heraeus hollow core fiber deal (fierce-network.com)
2025-09-23 — Heraeus Covantics and Microsoft Azure work together on future datacom networks. | Heraeus Covantics (linkedin.com)
2025-09-15 — New product Suprasil® SmartPlate by Heraeus at W3+ Fair Jena '25 (w3-fair.com)
2025-05-27 — Berkley Partners is pleased to welcome Heraeus Covantics to 481 N. Dean Avenue in Chandler, AZ, a ±31,000 SF industrial building. | Berkeley Partners (linkedin.com)
2025-03-25 — Heraeus Covantics | Heraeus Covantics Unveils State-of-the-Art Manufacturing Plant in Shenyang, China (heraeus-covantics.com)
Company details
The company is privately held, with an estimated annual revenue band of $10 to 50 million. Heraeus Covantics was founded in 1851, has an estimated 1,000-5,000 employees, and is headquartered in Kleinostheim, Bavaria. On the LightSource stability read it is rated "Established & active": 175 years in operation (founded 1851). Holds ISO 14001, ISO 9001 certification(s) per public sources.
Frequently asked questions
What does Heraeus Covantics make?
Heraeus Covantics manufactures high-purity quartz glass, fused silica, ceramics, and composites, including semi-finished products and custom system components. The company is headquartered in Kleinostheim, Bavaria, Germany, and was established on January 1, 2025 through the merger of Heraeus Conamic and Heraeus Comvance, drawing on fused silica expertise dating to 1851. It employs an estimated 1,000 to 5,000 people and serves the automotive, electronics, and medical industries. In March 2025 it unveiled a manufacturing plant in Shenyang, China, and in September 2025 it was reported to be working with Microsoft on hollow core fiber for datacom networks.
Where is Heraeus Covantics headquartered?
Heraeus Covantics is headquartered in Kleinostheim, Bavaria.
When was Heraeus Covantics founded?
Heraeus Covantics was founded in 1851.
How big is Heraeus Covantics?
Heraeus Covantics has an estimated 1,000-5,000 employees, with revenue in the $10-50M range (estimated).
What certifications does Heraeus Covantics hold?
Heraeus Covantics lists ISO 14001 · ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
Does Heraeus Covantics import from overseas suppliers?
US customs bill-of-lading records show 36 inbound shipments for Heraeus Covantics, with top origins including China · Germany · South Korea · Belgium.
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Last verified Nov 2026. Is this your company? Request a correction.
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