Sigma Casting & Finishing is a family-owned and operated manufacturer of Aluminum die-casted parts and liquid/powder painting. Our industry-leading operation has created precision solutions for our clients’ unique needs since 1990. To bring a complete solution we help our clients during all the phases of their projects, including, engineering, casting, machining, finishing, quality, and delivery.
To present the consumers of high-pressure aluminum die casted parts, with a differentiated alternative that satisfies their quality, delivery, and cost demand. We aim to benefit all parties involved: clients, associates, shareholders, suppliers, and the government.
By 2025, Sigma Casting and Finishing will be the leader in the region in terms of high-pressure aluminum die casting; continuously searching for processes and resource optimization, generating added value for our clients.
At Sigma Die Casting, we are committed to achieving the satisfaction of our customers and stakeholders by exceeding their expectations in quality, delivery, and cost. We promote a continuous improvement effort based on our quality management system, the creativity of our team members, and the use of up-to-date technology.

Produce Packaging

Rocklin de México Real State

Sigma Lapos Industrial Finishing

Liquid paint capabilities were added to service the golf club industry

Addition of 2nd powder coating line

Dealership

Dealership

High pressure Aluminum Die Casting
“Our main purpose is to create value for our customers, employees, suppliers, government, and shareholders.”
Inversiones Rocka
Our customers trust our documented quality-based processes and prompt lead times. With enduring relationships spanning over three decades, we prioritize high-quality and on-time delivery to meet their needs.













Vie Verte 3 Industrial Park. Mexicali Baja California, Mexico, 21383
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