Verified Nov 2026
Tool & Die
·
Kansas City, Missouri
·
Since 1957
Sioux Chief Manufacturing Company is a family-owned manufacturer of rough plumbing products based in Kansas City, Missouri, founded in 1957. It makes supply, drainage, and support products such as hangers, manifolds, trap primers, water hammer arresters, and closet flanges. The company reports more than 700 employees across more than 12 facilities in 10 U.S. states and Canada, and serves residential, commercial, industrial, and municipal markets. In November 2025 it acquired Dundee Manufacturing Company Inc.
Sioux Chief at a glance
Revenue
$100-250M
Est. band
Employees
200-500
Founded
1957
Headquarters
Kansas City, Missouri
Import activity
4214
Industries
Automotive
Electric Vehicles
Construction
Plumbing & Hardware
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
4214
Named foreign suppliers
50
Top origins
China · Taiwan · South Korea · Thailand
Shared foreign counterparties do not establish that these companies buy from Sioux Chief.
What this tells a buyer
No customs or trade shipment data is available for this company, so its trade footprint cannot be described from the record; the most recent reported development is its November 2025 acquisition of Dundee Manufacturing Company Inc.
Its listed product areas include valves and plastic plumbing products, and it reports more than 25 patents and a focus on custom manufacturing and quality assurance.
The company is privately held and family-owned, with an estimated annual revenue band of $100-250 million and an employee band of 200-500 per the directory record.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
Overview
Sioux Chief Manufacturing Company is a family-owned manufacturer of rough plumbing products based in Kansas City, Missouri, founded in 1957. It makes supply, drainage, and support products such as hangers, manifolds, trap primers, water hammer arresters, and closet flanges. The company reports more than 700 employees across more than 12 facilities in 10 U.S. states and Canada, and serves residential, commercial, industrial, and municipal markets. In November 2025 it acquired Dundee Manufacturing Company Inc.
At a glance
Attribute | Detail |
|---|---|
Founded | 1957 |
Headquarters | Kansas City, Missouri |
Employees | 200-500 |
Revenue | $100-250M (estimated) |
Primary capability | Tool & Die |
What Sioux Chief makes
Its listed product areas include valves and plastic plumbing products, and it reports more than 25 patents and a focus on custom manufacturing and quality assurance.
Products and capabilities described on the company's own site include Valve, Plastic (source: siouxchief.com).
Trade and customs footprint
No customs or trade shipment data is available for this company, so its trade footprint cannot be described from the record; the most recent reported development is its November 2025 acquisition of Dundee Manufacturing Company Inc. US customs bill-of-lading records list 4214 inbound shipments across 50 foreign suppliers, with top origins including China · Taiwan · South Korea · Thailand.
Latest developments
2026-08-14 — 🏗️ NEW from Sioux Chief: A Smarter Roof Drainage Solution! (linkedin.com)
2026-08-12 — Sioux Chief is excited to announce the following agencies are representing us to the waterworks and site civil market: Gordon & Associates, Inc. in the Pacific Northwest, Mountain West Marketing - MWM … | Sioux Chief (linkedin.com)
2026-01-28 — Sioux Chief PowerPEX Plumbing Products to sponsor ARCA Menards Series pole award in 2026 - ARCA (arcaracing.com)
2026-01-21 — Sioux Chief Promotes Jake Ismert to Vice President of National Sales | phcppros (phcppros.com)
2025-11-13 — We’re pleased to announce that Sioux Chief has acquired Dundee Manufacturing Company Inc. MelCap Partners served as the exclusive buy-side advisor to Sioux Chief, identifying and executing this acquisition as part of … | MelCap Partners (linkedin.com)
2025-11-07 — Sioux Chief Manufacturing - Cleveland M&A Middle Market Investment Bank - MelCap Partners (melcap.com)
Facilities
Sioux Chief is headquartered in Kansas City, Missouri. Public sources also reference these locations:
Kansas City, Missouri — melcap.com
Company details
The company is privately held and family-owned, with an estimated annual revenue band of $100-250 million and an employee band of 200-500 per the directory record. Sioux Chief was founded in 1957, has an estimated 200-500 employees, and is headquartered in Kansas City, Missouri.
Frequently asked questions
What does Sioux Chief make?
Sioux Chief Manufacturing Company is a family-owned manufacturer of rough plumbing products based in Kansas City, Missouri, founded in 1957. It makes supply, drainage, and support products such as hangers, manifolds, trap primers, water hammer arresters, and closet flanges. The company reports more than 700 employees across more than 12 facilities in 10 U.S. states and Canada, and serves residential, commercial, industrial, and municipal markets. In November 2025 it acquired Dundee Manufacturing Company Inc.
Where is Sioux Chief headquartered?
Sioux Chief is headquartered in Kansas City, Missouri (14940 Thunderbird Road, Kansas City, Missouri, 64147).
When was Sioux Chief founded?
Sioux Chief was founded in 1957.
How big is Sioux Chief?
Sioux Chief has an estimated 200-500 employees, with revenue in the $100-250M range (estimated).
Does Sioux Chief import from overseas suppliers?
US customs bill-of-lading records show 4214 inbound shipments for Sioux Chief, with top origins including China · Taiwan · South Korea · Thailand.
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Last verified Nov 2026. Is this your company? Request a correction.
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