LLM Information

Harbor Island Machine Works, Inc.

Directory listing
Machinery 📍 Seattle, WA Est. 1950

Directory record status

These labels describe this UNITEMFG record. They do not guarantee current capabilities, certifications, capacity, quality, or fit for a specific job.

Directory listing
Listed
Ownership
Unclaimed
Website evidence check
Failed
Jul 13, 2026
Evidence reviewed
Not recorded
Last evidence review
Not recorded

About

Harbor Island Machine Works, Inc. stands as a premier precision manufacturing company located in Seattle, Washington, specializing in advanced machining solutions for diverse industrial applications. With decades of experience in the machinery sector, the company delivers comprehensive manufacturing services including CNC machining, precision turning, milling operations, and custom fabrication capabilities. The Seattle-based facility operates state-of-the-art equipment to produce high-quality components for aerospace, marine, industrial automation, and manufacturing industries. Harbor Island Machine Works maintains rigorous quality control standards throughout their production processes, ensuring dimensional accuracy and superior surface finishes for critical applications. Their skilled team of machinists and engineers provides end-to-end solutions from prototype development through full-scale production runs. The company excels in working with various materials including aluminum, steel, stainless steel, and specialty alloys, accommodating tight tolerances and complex geometries. Harbor Island Machine Works offers value-added services such as engineering support, design consultation, and rapid prototyping to help clients optimize their manufacturing processes. Their strategic location in the Pacific Northwest provides convenient access to major shipping routes and transportation networks, enabling efficient delivery to customers across the region. The company builds long-term partnerships with clients by combining technical expertise, reliable delivery schedules, and competitive pricing structures. Harbor Island Machine Works continues to invest in advanced manufacturing technologies and workforce development to maintain their position as a trusted precision machining partner.

Specialties

Precision machiningCNC equipmenttool makingmachine repair

Manufacturing Capabilities

Processes

Precision one-off and production machiningBlanchard/Rotary surface grindingmachining parts up to 80,000 pounds

Location

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Seattle, WA •••••