Precision Manufacturing, Integrated Services, Proven Results
Essex Bay Engineering is a vertically integrated, ISO 9001:2015-certified contract manufacturer located on a multi-building campus in Ipswich, Massachusetts. With over 20 years of experience, we provide end-to-end manufacturing solutions to clients in aerospace, medical, automation, energy, and technology sectors. Our unique campus model enables fast, reliable coordination between machining, fabrication, 3D printing, electrical harnessing, and quality control— all managed in-house to ensure performance, repeatability, and traceability from prototype through production.
Our Campus
Building 1: Administrative & Core Machining
- 3-axis CNC milling and manual machining centers
- Quality assurance lab and inspection services
- Administrative and logistics offices
Building 2: Mixed-Use Innovation Hub
- 5-axis CNC milling
- Advanced CAM programming
- Laser tube cutting
- TIG welding
- Orbital welding
- 3D printing lab with large-format capabilities
- Mechanical and electrical assembly stations
- Design and prototyping resources
Building 3: Water Jet & Logistics
- OMAX 2652 and OMAX 60120 abrasive water jets for high-precision cold cutting
- Dedicated shipping and receiving area
Building 4: Wiring Harness Shop
- Clean, focused space for custom wiring harness fabrication
- Clean room facility for contamination-sensitive builds
- Electrical testing, labeling, and build-to-spec documentation
Core Capabilities
- CNC Machining & Fabrication: 3-axis and 5-axis milling, turning, and manual support. Complex geometries in stainless, aluminum, and other varied materials. In-house toolpath programming and design validation.
- Water Jet Cutting: Cold-cutting process eliminates heat-affected zones. Tight tolerance cuts, sharp corners, and minimal secondary finishing. Ideal for aerospace, medical, robotics, and custom fabrication.
- 3D Printing: Modix Big 180X large-format printer with dual-head, multi-material capability. Prototyping, fixtures, temporary tooling, and functional parts. Hybrid integration with CNC and wiring projects.
- Wiring Harness Fabrication: Short-run and prototype harness builds. Continuity testing, labeling, and spec-based documentation. Clean room facility for sensitive applications.
- Welding & Laser Cutting: TIG and orbital welding for precision assemblies. Laser tube cutting for structural and production components.
- Assembly & Quality Assurance: Mechanical and electrical sub-assembly. End-to-end quality management with traceability. ISO 9001:2015-certified systems and inspection protocols.
Industries We Serve
- Aerospace & Defense
- Medical & Laboratory Equipment
- Robotics & Automation
- Technology Development & Semiconductors
- Energy & Green Power Systems
- Industrial Manufacturing
- Transportation & Infrastructure
Why Choose Essex Bay Engineering?
At Essex Bay Engineering, we bring together the capabilities of a large-scale manufacturer with the agility of a specialized partner. Our four-building campus is designed for seamless coordination across machining, fabrication, additive manufacturing, and wiring—enabling us to deliver fully integrated mechanical and electrical assemblies under one roof.
We support everything from one-off prototypes to scalable production with ISO-certified processes and strict quality assurance at every step. Trusted by both emerging startups and global OEMs, we pride ourselves on responsive collaboration, short lead times, and deep experience across high-spec industries like aerospace, robotics, medical, and green energy.