Verified Nov 2026
CNC Machining
·
Sheldon, Iowa
·
Since 1974
Rosenboom Machine & Tool is a privately held manufacturer headquartered in Sheldon, Iowa, founded in 1974. The company has 500 to 1,000 employees and an estimated revenue band of $100 to $250 million. It produces custom hydraulic cylinders and assemblies, along with CNC machining, and serves the automotive, electric-vehicle, construction, and industrial equipment sectors. In May 2026, the company announced an expansion in Milford, Iowa, which is expected to add 78 manufacturing jobs.
Rosenboom Machine & Tool at a glance
Revenue
$100-250M
Est. band
Employees
500-1,000
Founded
1974
Headquarters
Sheldon, Iowa
Certifications
ISO 14001 · ISO/TS 16949
Import activity
3585
Industries
Automotive
Electric Vehicles
Construction
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
3585
Named foreign suppliers
50
Top origins
China · South Korea · India · Turkey
Shared foreign counterparties do not establish that these companies buy from Rosenboom Machine & Tool.
What this tells a buyer
Recent public reports describe a May 2026 Milford, Iowa expansion, which received Iowa Economic Development Authority assistance, with the company expected to add 78 manufacturing jobs.
The company holds ISO 14001 and ISO/TS 16949 certifications and offers CNC machining, robotic welding, engineering and design, and assembly services.
Rosenboom is privately held, and its published materials state that it operates manufacturing facilities in Iowa, Ohio, and China.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
52 years in operation (founded 1974).
Holds ISO 14001, ISO/TS 16949 certification(s) per public sources.
Overview
Rosenboom Machine & Tool is a privately held manufacturer headquartered in Sheldon, Iowa, founded in 1974. The company has 500 to 1,000 employees and an estimated revenue band of $100 to $250 million. It produces custom hydraulic cylinders and assemblies, along with CNC machining, and serves the automotive, electric-vehicle, construction, and industrial equipment sectors. In May 2026, the company announced an expansion in Milford, Iowa, which is expected to add 78 manufacturing jobs.
At a glance
Attribute | Detail |
|---|---|
Founded | 1974 |
Headquarters | Sheldon, Iowa |
Employees | 500-1,000 |
Revenue | $100-250M (estimated) |
Primary capability | CNC Machining |
Certifications | ISO 14001 · ISO/TS 16949 |
What Rosenboom Machine & Tool makes
The company holds ISO 14001 and ISO/TS 16949 certifications and offers CNC machining, robotic welding, engineering and design, and assembly services.
Products and capabilities described on the company's own site include Forged, Valve, Tool And Die (source: rosenboom.com).
Certifications
Rosenboom Machine & Tool is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 14001 — made-in-china.com
ISO/TS 16949 — made-in-china.com
Trade and customs footprint
Recent public reports describe a May 2026 Milford, Iowa expansion, which received Iowa Economic Development Authority assistance, with the company expected to add 78 manufacturing jobs. US customs bill-of-lading records list 3585 inbound shipments across 50 foreign suppliers, with top origins including China · South Korea · India · Turkey.
Latest developments
2026-05-21 — Rosenboom MachineandTool to expand operations with new Iowa facility (thefabricator.com)
2026-05-20 — Rosenboom Machine & Tool receives IEDA grant (kcau9.com)
2026-05-17 — Rosenboom expansion in Milford to bring 78 decent-paying manufacturing jobs to Northern Iowa - NorthIowaToday.com (northiowatoday.com)
2026-05-15 — IEDA Approves Assistance For Rosenboom Milford Expansion – Explore Okoboji (exploreokoboji.com)
2026-05-07 — Rosenboom announces expansion in Milford | Mail-sun | nwestiowa.com (nwestiowa.com)
2026-05-01 — Rosenboom plans expansion at Milford’s ‘Oak Hill Outdoor’ location - Enterprise Media (dickinsoncountynews.com)
Facilities
Rosenboom Machine & Tool is headquartered in Sheldon, Iowa. Public sources also reference these locations:
Milford, Iowa — thefabricator.com
Company details
Rosenboom is privately held, and its published materials state that it operates manufacturing facilities in Iowa, Ohio, and China. Rosenboom Machine & Tool was founded in 1974, has an estimated 500-1,000 employees, and is headquartered in Sheldon, Iowa. On the LightSource stability read it is rated "Established & active": 52 years in operation (founded 1974). Holds ISO 14001, ISO/TS 16949 certification(s) per public sources.
Frequently asked questions
What does Rosenboom Machine & Tool make?
Rosenboom Machine & Tool is a privately held manufacturer headquartered in Sheldon, Iowa, founded in 1974. The company has 500 to 1,000 employees and an estimated revenue band of $100 to $250 million. It produces custom hydraulic cylinders and assemblies, along with CNC machining, and serves the automotive, electric-vehicle, construction, and industrial equipment sectors. In May 2026, the company announced an expansion in Milford, Iowa, which is expected to add 78 manufacturing jobs.
Where is Rosenboom Machine & Tool headquartered?
Rosenboom Machine & Tool is headquartered in Sheldon, Iowa (1530 Western Ave, Sheldon, Iowa, 51201).
When was Rosenboom Machine & Tool founded?
Rosenboom Machine & Tool was founded in 1974.
How big is Rosenboom Machine & Tool?
Rosenboom Machine & Tool has an estimated 500-1,000 employees, with revenue in the $100-250M range (estimated).
What certifications does Rosenboom Machine & Tool hold?
Rosenboom Machine & Tool lists ISO 14001 · ISO/TS 16949 on its website. Confirm the certified scope for the specific plant producing your part.
Does Rosenboom Machine & Tool import from overseas suppliers?
US customs bill-of-lading records show 3585 inbound shipments for Rosenboom Machine & Tool, with top origins including China · South Korea · India · Turkey.
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Last verified Nov 2026. Is this your company? Request a correction.
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