Verified Nov 2026
Castings & Forgings
·
Cookstown, New Jersey
·
Since 1985
Sigma Corporation is a castings and forgings manufacturer headquartered in Cookstown, New Jersey, United States. Founded in 1985, it is privately held and has an estimated workforce of 200-500 employees and estimated annual revenue of $500M-1B. The company serves the automotive, electric-vehicle, construction, and industrial equipment industries. Its recent announcements include the acquisition of Masonry Supply, Inc. on 2026-01-07.
Sigma Corporation at a glance
Revenue
$500M-1B
Est. band
Employees
200-500
Founded
1985
Headquarters
Cookstown, New Jersey
Import activity
1518
Industries
Automotive
Electric Vehicles
Construction
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
1518
Named foreign suppliers
45
Top origins
Jamaica · South Korea · China · Singapore
Shared foreign counterparties do not establish that these companies buy from Sigma Corporation.
What this tells a buyer
The record includes no customs or trade data; the most recent reported development is the acquisition of Masonry Supply, Inc., announced on 2026-01-07.
Public listings associate the company with casting and forging products, including pumps, valves, bearings, and connectors, and with facilities in Ohio and Colorado.
Sigma Corporation reports no certifications in the record and is not publicly traded, with its revenue band an estimate rather than a reported figure.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
Overview
Sigma Corporation is a castings and forgings manufacturer headquartered in Cookstown, New Jersey, United States. Founded in 1985, it is privately held and has an estimated workforce of 200-500 employees and estimated annual revenue of $500M-1B. The company serves the automotive, electric-vehicle, construction, and industrial equipment industries. Its recent announcements include the acquisition of Masonry Supply, Inc. on 2026-01-07.
At a glance
Attribute | Detail |
|---|---|
Founded | 1985 |
Headquarters | Cookstown, New Jersey |
Employees | 200-500 |
Revenue | $500M-1B (estimated) |
Primary capability | Castings & Forgings |
What Sigma Corporation makes
Public listings associate the company with casting and forging products, including pumps, valves, bearings, and connectors, and with facilities in Ohio and Colorado.
Products and capabilities described on the company's own site include Casting, Pump, LED, Connector, Coating, Valve, Bearing, Plastic, Interior, Transmission (source: sigmaco.com).
Trade and customs footprint
The record includes no customs or trade data; the most recent reported development is the acquisition of Masonry Supply, Inc., announced on 2026-01-07. US customs bill-of-lading records list 1518 inbound shipments across 45 foreign suppliers, with top origins including Jamaica · South Korea · China · Singapore.
Latest developments
2026-10-27 — SIGMA Welcomes Troy Townley, SIGMA Polymer Enclosures Product Specialist — Sigma Corporation (sigmaco.com)
2026-08-18 — SIGMA Welcomes Joe Bettis, Director of Business Development – Enclosures — Sigma Corporation (sigmaco.com)
2026-05-05 — SIGMA Expands Sales Team in Western Region — Sigma Corporation (sigmaco.com)
2026-01-07 — SIGMA Acquires Masonry Supply, Inc. — Sigma Corporation (sigmaco.com)
2025-12-09 — SIGMA Optimizes Engineering Operations — Sigma Corporation (sigmaco.com)
2025-12-02 — New Leadership, Structure, Strategy for SIGMA India — Sigma Corporation (sigmaco.com)
Facilities
Sigma Corporation is headquartered in Cookstown, New Jersey. Public sources also reference these locations:
Ohio, Colorado — sigmaco.com
Company details
Sigma Corporation reports no certifications in the record and is not publicly traded, with its revenue band an estimate rather than a reported figure. Sigma Corporation was founded in 1985, has an estimated 200-500 employees, and is headquartered in Cookstown, New Jersey.
Frequently asked questions
What does Sigma Corporation make?
Sigma Corporation is a castings and forgings manufacturer headquartered in Cookstown, New Jersey, United States. Founded in 1985, it is privately held and has an estimated workforce of 200-500 employees and estimated annual revenue of $500M-1B. The company serves the automotive, electric-vehicle, construction, and industrial equipment industries. Its recent announcements include the acquisition of Masonry Supply, Inc. on 2026-01-07.
Where is Sigma Corporation headquartered?
Sigma Corporation is headquartered in Cookstown, New Jersey (700 Goldman Drive, Cookstown, New Jersey, 08511).
When was Sigma Corporation founded?
Sigma Corporation was founded in 1985.
How big is Sigma Corporation?
Sigma Corporation has an estimated 200-500 employees, with revenue in the $500M-1B range (estimated).
Does Sigma Corporation import from overseas suppliers?
US customs bill-of-lading records show 1518 inbound shipments for Sigma Corporation, with top origins including Jamaica · South Korea · China · Singapore.
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Last verified Nov 2026. Is this your company? Request a correction.
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