About KAI Engineering

KAI Engineering is a full-service product development firm dedicated to bringing your vision to life. From initial design and rapid prototyping to manufacturing and marketing, we support you at every stage to ensure a successful product launch. Our experienced, U.S.-based engineering team and state-of-the-art, in-house printing, design, and prototyping equipment guarantee fast, accurate results.

200+
Years Combined Engineering
50+
Trusted Partners
500+
Happy Customers
100+
Designs Delivered

See What We Offer You

Product Design

SolidWorks, Pro-E, 2D and 3D drawings (CAD) Computer Aided Design, (CAM) Computer Aided Manufacturing & (CAE) Computer Aided Engineering Software, for creating illustrations or 3D models. 3D Printing Our in-house ...

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Prototyping

Prototyping, in its purest definition, is a “test product”. At KAI Engineering, we have over 200 years of combined, U.S. based, product engineering experience. That experience, means your prototype will achieve the go...

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PCB Design

Printed Circuit Board (PCB) design is much more than just fulfilling the task the board is intended for. Each tiny chip or component on that board has a function and requirements. These components can affect efficienc...

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3D Printing

3D Printing of the highest quality and accuracy, using industry leading equipment and technology. KAI engineering can print and finish parts for immediate use, manufacturing or prototyping. We accept all 3D printing p...

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Firmware, PC Software, Wireless and Server

Custom Firmware (all major brands of MCUs and IOT devices) Custom Firmware is critical to the operation of your device, but can also protect you in the market by making your unique functions harder to copy, or easier...

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Manufacturing

Manufacturing can be a challenging stage for many product developers and inventors, often resulting in costly mistakes such as defective production runs, lost shipments, wasted time, and missed opportunities. KAI Engi...

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Marketing

Marketing Plan In today's marketplace, a strategic marketing plan is crucial for success. A professionally developed marketing plan not only guides your advertising efforts but also significantly enhances your product...

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How It Works

Share Your Idea

Every project begins with a signed NDA. With your idea protected, you can confidently share it with us, and we’ll guide you through the development process.

Prototyping

Our prototype process transforms ideas into functional models, testing and refining design, fit, and function to ensure production readiness.

Manufacturing

Our manufacturing process delivers high-quality products through precise engineering, efficient production, strict quality control, and reliable global supply chains.

Launch

Our product launch process builds excitement through marketing, reviews, and promotions, ensuring your product reaches customers ready to buy.

What Our Customer Says

Rosilie P.

Club Finder & Hookup Application
San Francisco, CA

★★★★★

"I needed a company to develop my social media iOS/Android app. It was very easy to work with KAI...

Eddie S.

Steam Plus Pans
Newport Beach, CA

★★★★★

"I had the pleasure of engaging KAI Engineering for quite a lot of work, and I must say it was a ...

Luke B.

Sunglasses
Venice, CA

★★★★★

"I’ve had the pleasure of working with KAI Engineering on product development from design to prod...

Casey H.

Gun Sights
Pennsylvania

★★★★★

"Working with KAI Engineering on our new gun sights has been a great experience. They guided us f...

Arnold F.

Automatic Toe Clipper
Louisiana

★★★★★

"KAI Engineering took my idea for an automatic toe clipper and nail guard and turned it into a re...

Paul J.

Guitar Amplifier
Los Angeles, CA

★★★★★

"I recently worked with KAI Engineering to help me with a guitar amplifier design. John and his t...

Lindsey

Classroom Helping Aid
New York

★★★★★

"After years with another firm who couldn’t deliver, I came across John at KAI Engineering. He ha...

Mike P.

– Vice President, Product Development, YamahaGuitar Group
Westlake, CA

★★★★★

"We had several engineering projects that were stuck and needed expert help. KAI Engineering step...

Charles S.

NASA IP Partner
Texas

★★★★★

"KAI was a pleasure to work with and professional down to the very last detail. The project was c...

Uch

Training Aid for Sports
Los Angeles, CA

★★★★★

"What started as a rough prototype in my garage has now become a fully engineered, production-rea...

Tom H.

Trumpet Training Product
Los Angeles, CA

★★★★★

"As a professional trumpet player, I had an idea for a lower-cost solution to an existing product...

John M.

Dolls
Los Angeles, CA

★★★★★

"I had designed a special new doll but struggled to make a working prototype with the resources I...

Garg B.

Laser Practice Gun
Ventura, CA

★★★★★

"My laser gun product was originally manufactured in China and sold thousands of units, but when ...

Melvin W.

Motorcycle Accessory
Ventura, CA

★★★★★

"I came to KAI Engineering with an industrial design that I wanted to turn into a real prototype ...

Dave R.

Motorcycle Robotic Seat
Idaho

★★★★★

"I built the first prototype of my motorcycle robotic seat in my garage. It worked, but it was lo...

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See what KAI offers

Get In Touch

KAI Engineering transforms ideas into market-ready, revenue-generating products. From concept to production, we help bring your vision to life.

Our Office Location

2655 First Street, Suite 250 Simi Valley, Ca 93065

Say Hello to us

sales@kaiengineering.com 805-422-3002

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