Leading Design Build Firm for Commercial

Since 2010, we provide our expertise, creativity and transparency of operations to our clients, ensuring on-time and on-budget project success with professional results.

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Q3 is a dynamic and innovative engineering firm that is dedicated to providing exceptional consulting and design services.


We incorporate our best practices through the pre-construction, construction, post-construction and sustainability processes.
Design Build

Design Build

We use our familiarity with materials, construction methods, and equipment capabilities to develop approaches that save our customers money and time.

Q3 Engineering

Q3 provides expertise in the disciplines of Mechanical, Electrical, and Plumbing Engineering. The Q3 team had provided MEP engineering and design services to commercial and retail facilities from restaurants and hotels as well as universities, critical and industrial facilities. 

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Q3 Builders

Whether your project is large or small our approach is simple; understanding your needs combined with our superior teamwork, detailed management and hands-on building skills; your project is delivered with value, elegant craftsmanship and durability that lasts.

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Q3 Design Build

Single source responsibility makes managing your project easy by integrating a full-scope perspective. We will spend time where it is important: with schematic design and project budgeting. You will know the layout, look, and cost of your facility before you make any financial commitment. 

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Our Clients

“Quang Nguyen and his team members have been exceptional in their willingness to understand the project and provide their insights. They listen to owner’s concerns and preferences and go out of their way to meet owner’s needs and deadlines. Quang Nguyen and his team members did a great job for UC Irvine and I would highly recommend them to anyone”

“Q3 Inc has performed several engineering, construction and design build projects for us at several of our shopping centers and office high rise buildings. Their tremendous experience with the city building and inspection departments gives them a great advantage with building department approval, permitting and inspection which ultimately helps us complete projects on time. Their in-house engineering and design capabilities allows them to immediately update their plans for field changes which can be re-submitted and approved by the building department to minimize schedule impact. Their effort and willingness to go the extra mile is demonstrated by their staff working after hours and weekends to complete projects on time.

As the chief engineer of several shopping centers I would recommend Q3 Inc’s engineering and construction services to anyone who wants a project done on budget and on time”
Western Dental
Taco Bell
The Ritz- Carlton
Old Navy
Tustin Toyota
BMW of Humboldt Bay

About Q3 Inc

Headquartered in Huntington Beach, California for over 14 years, we are committed to providing excellent Engineering design, Construction and Facility services to domestic and international customers.

© 2017 Q3 Inc

Contact Us

Q3 Inc

17162 Gothard Street 

Huntington Beach, CA 92647

T: 714-465-5200 | F: 714-242-9499

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