Sirois Tool Co., Inc.

Custom ManufacturerBerlinCTOperational

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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...

  • 1-6 weeks Lead Times
  • 1960 Founded
  • 51-200 Employees
  • $5-10mRevenue

Industry Focus: Medical Devices & Healthcare EquipmentGeneral ManufacturingIndustrial Machinery & Heavy EquipmentMining, Metals & Minerals ProcessingAutomotive & TransportationAerospace & DefenseBearings & Power Transmission ComponentsWeapons & Ammunition

Technical Capability

5-Axis CNC Milling

Multi-face CNC milling gives buyers a way to hold close positional relationships on prismatic parts, kits, and subassemblies without stacking extra setups. The cell ties 5-axis work to in-house EDM, grinding, and Zeiss CMM release, which ke...

Supported Processes

4-Axis CNC Milling (Indexing)DrillingTappingBoring

Manufacturer Status

  • MFR.ID Created: 6/6/2025
  • Last Updated: 4/19/2026
  • Operational