Verified Nov 2026
CNC Machining
·

Plymouth, Indiana
·
Since 1955
ITAMCO, also known as Indiana Tool & Manufacturing Co., Inc., is an employee-owned precision manufacturer headquartered in Plymouth, Indiana, and founded in 1955. The company employs roughly 100 to 200 people and makes high-precision gears, splines, gearboxes, and machined components. Its products serve industries including automotive, electric vehicles, construction, military and defense, renewable energy, and industrial equipment. Recent public reporting describes plans for an expansion of its turning capacity.
Itamco at a glance
Revenue
$10-50M
Est. band
Employees
100-200
Founded
1955
Headquarters
Plymouth, Indiana
Certifications
ISO 9001
Import activity
3
Industries
Automotive
Electric Vehicles
Construction
Military & Defense
Renewable Energy
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
3
Named foreign suppliers
2
Top origins
Germany · Belgium

Shared foreign counterparties do not establish that these companies buy from Itamco.
What this tells a buyer
The company's recent public activity includes a September 2026 announcement that it has expanded its turning capacity, and an October 2026 report that it is pursuing an Indiana Innovation District proposal for Plymouth.
ITAMCO produces heavy-duty gears, gearboxes, and machined assemblies, holds ISO 9001 certification, and offers gear inspection, gear testing, and prototyping services.
The firm is employee-owned, operates two Indiana plants totaling about 485,000 square feet, and serves customers in mining, oil and gas, defense, wind energy, and aviation.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
71 years in operation (founded 1955).
Holds ISO 9001 certification(s) per public sources.
Overview
ITAMCO, also known as Indiana Tool & Manufacturing Co., Inc., is an employee-owned precision manufacturer headquartered in Plymouth, Indiana, and founded in 1955. The company employs roughly 100 to 200 people and makes high-precision gears, splines, gearboxes, and machined components. Its products serve industries including automotive, electric vehicles, construction, military and defense, renewable energy, and industrial equipment. Recent public reporting describes plans for an expansion of its turning capacity.
At a glance
Attribute | Detail |
|---|---|
Founded | 1955 |
Headquarters | Plymouth, Indiana |
Employees | 100-200 |
Revenue | $10-50M (estimated) |
Primary capability | CNC Machining |
Certifications | ISO 9001 |
What Itamco makes
ITAMCO produces heavy-duty gears, gearboxes, and machined assemblies, holds ISO 9001 certification, and offers gear inspection, gear testing, and prototyping services.
Products and capabilities described on the company's own site include Gear, Machining, Assembly, CNC Machining (source: itamco.com).
Certifications
Itamco is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 9001 — itamco.com
Trade and customs footprint
The company's recent public activity includes a September 2026 announcement that it has expanded its turning capacity, and an October 2026 report that it is pursuing an Indiana Innovation District proposal for Plymouth. US customs bill-of-lading records list 3 inbound shipments across 2 foreign suppliers, with top origins including Germany · Belgium.
Latest developments
2026-10-31 — ITAMCO's Neidig Demands Written Cost Terms Before Plymouth Annexation Proceeds · Tactical Energy Group (tac-nrg.com)
2026-10-23 — ITAMCO Pitches Indiana Innovation District for Plymouth · Tactical Energy Group (tac-nrg.com)
2026-09-23 — ITAMCO’s turning capacity just got BIGGER. | Joel Neidig (linkedin.com)
2026-08-31 — Power Generation Gearboxes for Data Centers | ITAMCO (itamco.com)
2026-05-16 — At ITAMCO, innovation is always in motion. | Joel Neidig (linkedin.com)
2025-10-11 — 🚀 Exciting Advances in Additive Manufacturing at ITAMCO! 🚀 | Joel Neidig (linkedin.com)
Company details
The firm is employee-owned, operates two Indiana plants totaling about 485,000 square feet, and serves customers in mining, oil and gas, defense, wind energy, and aviation. Itamco was founded in 1955, has an estimated 100-200 employees, and is headquartered in Plymouth, Indiana. On the LightSource stability read it is rated "Established & active": 71 years in operation (founded 1955). Holds ISO 9001 certification(s) per public sources.
Frequently asked questions
What does Itamco make?
ITAMCO, also known as Indiana Tool & Manufacturing Co., Inc., is an employee-owned precision manufacturer headquartered in Plymouth, Indiana, and founded in 1955. The company employs roughly 100 to 200 people and makes high-precision gears, splines, gearboxes, and machined components. Its products serve industries including automotive, electric vehicles, construction, military and defense, renewable energy, and industrial equipment. Recent public reporting describes plans for an expansion of its turning capacity.
Where is Itamco headquartered?
Itamco is headquartered in Plymouth, Indiana (6100 Michigan Rd, Plymouth, Indiana, 46563).
When was Itamco founded?
Itamco was founded in 1955.
How big is Itamco?
Itamco has an estimated 100-200 employees, with revenue in the $10-50M range (estimated).
What certifications does Itamco hold?
Itamco lists ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
Does Itamco import from overseas suppliers?
US customs bill-of-lading records show 3 inbound shipments for Itamco, with top origins including Germany · Belgium.
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Last verified Nov 2026. Is this your company? Request a correction.
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