Overview

Kelco Industries is a privately held manufacturer headquartered in Woodstock, Illinois, United States. The company was founded in 1932 and is estimated to have 50 to 100 employees with revenue under $10 million. It makes custom-engineered components and assemblies, including metal fabrication, machining, injection molding, and valve products, for industries such as automotive, electric vehicles, medical, military-defense, renewable energy, and industrial equipment. In March 2026, the company, together with its Flex-Weld and Western Consolidated Technologies divisions, promoted its premium valve solutions for demanding industrial environments.

At a glance

What Kelco Industries makes

The company holds AS9100, IATF 16949, ISO 9001, ISO 14001, and ITAR registration, and its listed capabilities include CNC machining, welding, rubber and plastic molding, tooling, and assembly.

Products and capabilities described on the company's own site include Assembly, Machining, Metal Fabrication, Welding, Rubber, Injection Molding, Tooling, Plastic, Valve, CNC Machining (source: kelcoind.com).

Certifications

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

• AS9100 — kelcoind.com

• IATF 16949 — kelcoind.com

• ISO 14001 — kelcoind.com

• ISO 9001 — kelcoind.com

• ITAR registered — kelcoind.com

Trade and customs footprint

Kelco Industries announced in June 2026 that Selmark LLC had joined its sales team as manufacturer's representative for New England, covering Connecticut, Maine, Massachusetts, New Hampshire, and other states in the region. US customs bill-of-lading records list 103 inbound shipments across 14 foreign suppliers, with top origins including Panama · Italy · Taiwan · India.

Latest developments

• 2026-06-20 — We're excited to partner with Kelco Industries and represent their family of companies throughout New England. From Guardian Electric Mfg. Co.'s high-reliability, American-made switches, relays, solenoids, and flight control grips to Kelco's … | Selmark LLC (linkedin.com)

• 2026-06-16 — We are pleased to announce that Selmark LLC has joined the Kelco Industries sales team as our manufacturer's representative for the New England region, serving customers throughout Connecticut, Maine, Massachusetts, New Hampshire, … | Kelco Industries (linkedin.com)

• 2026-03-23 — At Kelco Industries, we are proud to showcase the combined strength of Flex-Weld and Western Consolidated Technologies (WCT) in offering premium valve solutions for the most demanding industrial environments. Backed by over … | Kelco Industries (linkedin.com)

• 2026-02-12 — At Western Consolidated Technologies (WCT), a division of Kelco Industries — we’re committed to improving your buying experience with streamlined access to the high-performance sanitary gaskets you rely on. | Kelco Industries (linkedin.com)

• 2026-01-12 — We’re excited to announce that Kelco Industries will be exhibiting at POWERGEN International 2026 — the industry’s premier event for power generation and energy professionals! | Kelco Industries (linkedin.com)

• 2025-09-11 — We are excited to share some important news with you. Intersol Industries, Inc. has officially been acquired by Kelco Industries. | Kelco Industries (linkedin.com)

Company details

Kelco Industries was formed in 2018 through the consolidation of four legacy manufacturers: Guardian Electric, Flex-Weld, Western Consolidated Technologies, and Advanced Molding Technologies. Kelco Industries was founded in 1932, has an estimated 50-100 employees, and is headquartered in Woodstock, Illinois. On the LightSource stability read it is rated "Established & active": 94 years in operation (founded 1932). Holds AS9100, IATF 16949, ISO 14001, ISO 9001, ITAR registered certification(s) per public sources.

Frequently asked questions

What does Kelco Industries make?

Kelco Industries is a privately held manufacturer headquartered in Woodstock, Illinois, United States. The company was founded in 1932 and is estimated to have 50 to 100 employees with revenue under $10 million. It makes custom-engineered components and assemblies, including metal fabrication, machining, injection molding, and valve products, for industries such as automotive, electric vehicles, medical, military-defense, renewable energy, and industrial equipment. In March 2026, the company, together with its Flex-Weld and Western Consolidated Technologies divisions, promoted its premium valve solutions for demanding industrial environments.

Where is Kelco Industries headquartered?

Kelco Industries is headquartered in Woodstock, Illinois (1425 Lake Ave, Woodstock, Illinois, 60098).

When was Kelco Industries founded?

Kelco Industries was founded in 1932.

How big is Kelco Industries?

Kelco Industries has an estimated 50-100 employees, with revenue in the <$10M range (estimated).

What certifications does Kelco Industries hold?

Kelco Industries lists AS9100 · IATF 16949 · ISO 14001 · ISO 9001 · ITAR registered on its website. Confirm the certified scope for the specific plant producing your part.

Does Kelco Industries import from overseas suppliers?

US customs bill-of-lading records show 103 inbound shipments for Kelco Industries, with top origins including Panama · Italy · Taiwan · India.

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