Overview

Walworth manufactures industrial valves and fluid control systems, with headquarters in Tepotzolán, Estado de México. Founded in 1842, the company employs 500–1,000 people and generates estimated annual revenues of $100–250 million. It serves automotive, electric vehicle, plumbing hardware, and industrial equipment sectors. The company acquired KNR Pipeline Services in October 2025 to expand its pipeline inspection and maintenance capabilities.

At a glance

What Walworth makes

Walworth produces over 40,000 valve types including gate valves, globe valves, ball valves, and check valves; holds ISO 9001 and ISO 45001 certifications.

Products and capabilities described on the company's own site include Machining, Welding, Assembly, Valve, Forged, Seal, Steel (source: walworth.com).

Certifications

Walworth is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:

• ISO 45001 — proveedores.com

• ISO 9001 — proveedores.com

Latest developments

• 2026-06-10 — El sureste de México exige velocidad, disponibilidad y capacidad de respuesta. | Walworth (linkedin.com)

• 2026-03-27 — Strategic growth is built by integrating capabilities that strengthen the entire value chain. | Grupo Walworth (linkedin.com)

• 2026-01-05 — This acquisition reflects the direction of the Walworth Group—intentional growth, strategic expansion, and investment where our customers need us most. Strengthening Premier’s presence in West Texas is about more than scale; it’s … | Jacobo Waisburd (linkedin.com)

• 2025-10-20 — A Shifting Strategic Focus for Mexican Manufacturing (mexicobusiness.news)

• 2025-10-16 — Exciting News from Walworth Group. We’re proud to announce that Walworth Group has acquired KNR Pipeline Services, a leading provider of pipeline inspection, maintenance, and repair solutions. (linkedin.com)

• 2025-06-18 — La Compañía Mexicana Grupo Walworth, Productora de Válvulas Para Fluidos, quiere "Atrapar" a Gigantes Petroleros de Medio Oriente - Diario CAMBIO 22 - Península Libre (diariocambio22.mx)

Facilities

Walworth is headquartered in Tepotzotlan, Estado de Mexico. Public sources also reference these locations:

• Dubai, UAE — worldoil.com

• Mexico, USA — walworth.com

• Mexico — walworth.com

Company details

The privately held family-founded company operates facilities in Mexico, the United States, and the United Arab Emirates. Walworth was founded in 1842, has an estimated 500-1,000 employees, and is headquartered in Tepotzotlan, Estado de Mexico. On the LightSource stability read it is rated "Established & active": 184 years in operation (founded 1842). Holds ISO 45001, ISO 9001 certification(s) per public sources.

Frequently asked questions

What does Walworth make?

Walworth manufactures industrial valves and fluid control systems, with headquarters in Tepotzolán, Estado de México. Founded in 1842, the company employs 500–1,000 people and generates estimated annual revenues of $100–250 million. It serves automotive, electric vehicle, plumbing hardware, and industrial equipment sectors. The company acquired KNR Pipeline Services in October 2025 to expand its pipeline inspection and maintenance capabilities.

Where is Walworth headquartered?

Walworth is headquartered in Tepotzotlan, Estado de Mexico (21 Calle Industrial, Tepotzotlan, Estado de Mexico, 54610).

When was Walworth founded?

Walworth was founded in 1842.

How big is Walworth?

Walworth has an estimated 500-1,000 employees, with revenue in the $100-250M range (estimated).

What certifications does Walworth hold?

Walworth lists ISO 45001 · ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.

Related suppliers

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• A.Y. McDonald Mfg. Co.

• AB&I Foundry

• Abrasive Technology

• Acieta

• Aichi Forge

Last verified Nov 2026. Is this your company? Request a correction.