Top 6 Mechanical Engineering Companies in California Update 2022

1. Tandem

About Us – Tandem is an industrial design company with locations in trend setting Santa Monica, Los Angeles and tech hub Orange County. Since 2009, it has been partnering with global brands & local start-ups, creating outstanding customer experiences and services to build thriving businesses.Tandem has developed many award-winning products with all vital elements during design process: innovation, form, function, and manufacturability. The goal is to maximize the market impact for the products with the power of design. 

Services –

Industrial Design 

Consumer Research 

Branding / Visual Identity 

Design Strategy 

Mechanical Engineering 

User Interface & Web 

Packaging Design 

3-D CAD Modeling

Address – 1639 11th St #109, Santa Monica, CA 90404, United States

Phone No – phone: 310-651-6855 /

E-Mail –  email:


2. Valley CAD

About Us – When you pick Valley CAD you are getting a team of SOLIDWORKS Professionals that are in your corner helping your engineering team grow and be more proficient in the software.Our Mission is to bring the best services for everything CAD related. We are here to assist you as you develop products. To provide the most optimal software solutions to help your company THRIVE!

Services – The engineers at Valley CAD have multiple years of experience in various industries including: 

Agriculture Equipment 

Packaging Equipment 

Sheet Metal 

Product Design

We have a diverse understanding of multiple manufacturing processes. 

This makes Valley CAD very useful for designing your product within the proper manufacturing process.We utilize the latest version of SOLIDWORKS to take your ideas and transfer them into 3D models. We can verify that components will function as intended before needing to manufacture the product. This will save you time and money.

Address – 1027 G St, Reedley, CA 93654, United States

Phone No – (559) 726-2276


3. HC

About Us – Hensel Consulting Engineers was founded in 2003 to provide cost-effective engineering solutions for architects, designers, engineers, contractors, and homeowners. Specializing in mechanical engineering design and energy compliance services (Title 24), we have successfully completed thousands of projects for our clients. We have a proven track record of producing great engineering services that are consistently on time and on budget.  Don’t take our word for it—take a look at what our clients are saying!

Services – We provide engineered mechanical and plumbing plans for virtually any type of project, building or facility that you can think of.   All plans are tailored specifically to meet the needs of each project.

Unitary equipment (packaged units and split systems)

Ductless systems including VRV and VRF

Large air-handling units (constant volume, variable volume, multi-zone, etc.)

Exhaust systems (central exhaust, lab exhaust, kitchen exhaust, garage exhaust, vehicle exhaust)

Heat recovery and energy recovery systems

Address – 5857 Owens Ave 3rd floor, Carlsbad, CA 92008, United States

Phone No – (619) 665-3259


4. Motivo

About Us – We are an end-to-end product design and engineering firm, where every action is focused on developing robust production-ready designs in accelerated time frames. ​ Motivo Engineering was inspired by the philosophy adopted by race car engineering teams that often work on custom cars end to end. By applying the same vertically integrated mindset to other domains of hardware innovation engineering, Motivo has pioneered the concept of agile for hardware.

Services – Mechanical Design & Engineering :-

Computer Aided Design (CAD) & analysis 

Kinematics design for mechanisms 

Hydraulic & pneumatic system design 

Thermal systems design 

System level design 

Complex electro-mechanical system reverse engineering 

CAD & simulation tools (Solidworks Suite, Mathworks Suite, CATIA, Altair, SpaceClaim)

Address – 17700 S Figueroa St, Gardena, CA 90248, United States

Phone No – Tel: 1-844-MOTIVO-1

E-Mail –Email:


5. PACE Engineering

About Us – PACE Engineering is a multi-discipline, employee-owned engineering/consulting company in Redding, California. For over 45 years, we’ve developed economical, safe, custom, and reliable solutions for today’s complex engineering challenges. Our focus on craftsmanship and customer service has been the key to our long-lasting success.

Services –  Engineering Services:- 

Electrical Engineering 

Control Systems Engineering 

Land Development 

Mechanical Engineering 

Water and Wastewater 

Land Surveys and Mapping 

Coming Soon – Structural Engineering

Address – 5155 Venture Pkwy, Redding, CA 96002, United States

Phone No – 1-530-244-0202


6. APEC inc

About Us – Advanced Professional Engineering Consultants (APEC) is a full-service mechanical, electrical, plumbing (MEP), and sustainable design engineering firm located in Southern California. Through well-coordinated projects where we combine forward-thinking, innovative concepts with rigorous engineering expertise.

Services – APEC provides a dependable range of services based on a long-standing reputation for expertise and reliability in several markets. At our core, MEP engineering forms the backbone of all the services we offer and provides the foundation that exemplifies our commitment to provide high quality, yet budget-conscious design processes, sustainability solutions, and commissioning services. At APEC, we co-create the systems that bring buildings to life, focusing on maximizing building function and occupant comfort. Our attention to detail and our commitment to staying current with the latest technology ensure that we provide our clients with professional, quality services, and detailed design.

Address – 1307 W 6th St # 214, Corona, CA 92882, United States

Phone No – PHONE: 949.756.0409FAX: 949.756.0471