Engineering Design and Fabrication

We design products, devices and machines and use the best simulation software so that your design works every time.

Call Now: 509-290-1034

Designed right the first time

Engineering Design of parts, assemblies and machines.  3D CAD modeling.

Save Time and Money

Engineering analysis saves you time and money and ensures the design is right the first time.  We offer FEA & CFD services.

Stress Free Process

Project management without the stress. We manage the entire team, buy the hardware, assemble and test your product.  

Call Now: 509-290-1034

We will bridge the gap between your ideas and reality

We can design, analyze, fabricate and test your product.  

We are the only regional product development company with true integrated design and engineering analysis.  Our design approach saves you time and money by avoiding costly and time consuming prototype iterations.  

Our Recent Engineering Projects

Process development test fixture

Project Overview: We recently designed and delivered a manufacturing process development test fixture. This fixture allows our customer to validate a new time, temperature and pressure dependent proce…
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Dew Point: Atmospheric Water Generator

Johnston Engineering has had the privilege to work with Dew Point Manufacturing. What we did: Johnston Engineering provided system level design and analysis to take this project from concept to realit…
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Johnston Engineering in the News

Recent publications, awards, and events

Best Engineering Firm Spokane

Best engineering firms in Spokane

We are excited and proud to earn Bronze for “Best Engineering Firm” in the Spokane Coeur d’Alene Living Magazine Best in B2B awards. Perhaps the best part is that we don’t even com…
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13 Coins Restaurant

13 Coins 13 Coins is a timeless Seattle institution where generations have settled in for an unforgettable experience since 1967. Famed for its high backed booths, swiveling captain’s chairs and an …
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Spokane Engineering

Product development DesigN and Fabrication

Johnston engineering is the region’s best product development engineering company.  We design your product, device or system and numerically simulate how it will perform before parts are ever manufactured. Integrating design and analysis ensures the quickest product development cycle and least number of prototype iterations which saves our customers time and money.  We fabricate and deliver your product in a timely manner and at a competitive price. 

We serve a broad range of clients in the biomedical, renewable energy, consumer product, pumped fluid systems, HVAC, thermal management, manufacturing, food handling equipment, firearms and energy storage fields.

We handle all phases of the design cycle from concept to finished product.  We will manage your project design, schedule, budget, fabrication and test.  We partner with local electrical engineers for circuit board design and software development for integrated electrical-mechanical devices.  

Our core analysis competencies include system engineering of fluid flow systems, thermodynamics, heat transfer, and component and assembly structural analysis using the latest Finite Element Analysis and CFD analysis (Computational Fluid Dynamics) fluid flow simulation software.

Get a free quote from Johnston Engineering

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3009 S. Mt. Vernon St. Suite 4 
Spokane, WA 99223


Phone: 509.290.1034

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