Sirois Tool Co., Inc.

CNC Machining ManufacturerBerlin, CT

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Custom CNC Machining, Grinding, Honing, EDM & Quality Inspection

Connecticut custom manufacturer for close-tolerance CNC machining, wire EDM, precision grinding, honing, inspection, and comparative gaging. The AS9100D-certified, ITAR-registered shop runs 5-axis milling, mult...

  • 1960 Founded
  • 11-50 Employees
  • $5-10mRevenue

Industry Focus: Medical Devices & Healthcare EquipmentGeneral ManufacturingIndustrial Machinery & Heavy EquipmentAutomotive & TransportationAerospace & DefenseBearings & Power Transmission ComponentsWeapons & Ammunition

Technical Capability

CNC Milling

Sirois provides 3-, 4-, and 5-axis CNC milling for complex, tight-tolerance parts, tooling, fixtures, gages, kits, and subassemblies. In-house turning, EDM, grinding, and dimensional inspection support prototype, low-volume, and repeat-rele...

Supported Processes

DrillingTappingBoring

Manufacturer Status

  • MFR.ID Created: 6/6/2025
  • Last Updated: 9/22/2026