Various architectural styles and designs are present in San Bernardino—some are traditional, while others embrace a modern appeal. The mountains and lakes enhance the city’s appeal and establishments in the area have found various ways to work that scenery into their commercial spaces.

The best commercial contractors in the area take the natural environment into account while maintaining the client’s brand. These companies offer a broad range of services to help each client to achieve the design that fits their scope and function. The designs can range from antique-looking buildings to contemporary institutions. Our editorial team created this list of the top five commercial contractors after looking into each company’s experience, accolades, portfolio, and process. 

Kitchell Contractors

3600 Lime Street, Suite 523, Riverside CA 92501

Steve Whitworth is the president of Kitchell Contractors. Whitworth graduated from Indiana State University and he has an extensive background in HVAC, value engineering, project estimation, renovation, and contracting services. Since the company’s genesis in 1950, the construction industry has changed and changed often. The firm is always exploring new and modern methodologies to maintain quality and keep up with today’s building standards.

One of the firm’s notable projects in San Bernardino is pictured below—the San Bernardino Valley College Gymnasium. The project’s scope includes a 108,509-square-foot, three-story establishment housing a basketball court and a volleyball court. Other amenities include a sports medicine center, fitness rooms, lecture halls, a dance studio, and offices. Upon completion, the project had an estimated price of 61 million dollars and received a silver certification from Leadership in Energy and Environmental Design (LEED).  

Fullmer Construction

1725 South Grove Avenue, Ontario, CA 91761 

Pictured below is the Ridge One project in San Bernardino. The new industrial building has a size of 393,991 square feet and is located on a 20-acre site. The facility offers massive space along with 3,489 square feet of tenant improvements for its two levels. Some features include the use of DuctilCrete 7” thick building slab, 89 high dock doors, a water conservation drip system, rain sensors, and an ESFR sprinkler system. The warehouse also includes 101 trailer parking stalls and 228 auto parking spaces. This project is just one of many commercial projects that Fullmer Construction completed. For the past 75 years, the firm has garnered a portfolio of tenant improvements, office, industrial, and commercial projects. Robert Fullmer is the president leading the firm and he has a deep well of experience in the sector and he graduated from the University of Southern California.

Clark Pacific

4684 Ontario Mills Parkway, Suite 200, Ontario, CA 91764 

Bob and Don Clark are the acting CEOs of Clark Pacific. Since the firm’s inception in 1963, the company has grown into a team of over 100 engineers and staff, all capable of delivering various prefabricated building systems. This team tackles the challenges of manufacturing through a plan that details the important aspects of each construction phase. The firm keeps a close eye on cost, schedule, and quality, three significant components that explain the company’s success.

A result of this approach is the project featured below, the College of Education at CSU San Bernardino. The project includes a natural site aquifer that includes glass-fiber-reinforced concrete (GFRC) panels and meets irrigation needs. Upon completion, the project won the PCI Design Award: Best University Project. Another notable award the firm received was the 2015 Harry H. Edwards Industry Advancement Award. 

Angeles Contractor, Inc.

783 Phillips Drive, City Of Industry, CA 91748

Senior vice president Walter Shirley is one of the firm’s principles. Shirley has an extensive background in the business, having overseen numerous projects. These projects include office buildings, hospitality venues, restaurants, schools, and hotels. Today, he offers his knowledge of both private and public sector projects to his clients. For 23 years, the company has applied cost-effective solutions to each project and has explored evolving methods to keep improving the quality of the firm’s output. Today, it is one of the fastest-growing companies in the industry thanks to its large team and its extensive portfolio.

One of the projects in its impressive portfolio is pictured below—the San Bernardino’s Children’s Assessment Center. The firm provided interior tenant improvements, landscaping, and the construction of a parking lot. 

Perera Construction

2890 Inland Empire Blvd. Suite 102, Ontario, CA 91764

Hank Perera Jr. is the president and CEO of Perera Construction. He founded the firm in 1989 and has since grown the firm into one of the leading companies in the industry. Aside from providing its services in California’s Inland Empire, the company works throughout the western region of the U.S. It has worked for various sectors in these locations, ranging from institutional, healthcare, telecommunications, energy sectors, and education. One of these projects is the picture below, featuring the San Bernardino Valley College Child Development Center. The project’s scope involved a 17,000 square foot ground-up facility. It houses amenities such as outdoor play areas, multipurpose classrooms, restrooms, a kitchen, and administrative offices. Projects like this have garnered the company accolades, such as winning the 2018 Merit Award DBIA.  


  • Jake Gustafson

    Jake has served as Senior Editor at General Contractors and brings a wealth of experience rooted in his passion for building. Holding a degree in Construction Engineering Management from Oregon State University, he actively engaged in industry-related activities, including membership in the Associated General Contractors of America student chapter and participation in the Associated Schools in Construction student competition. Previously, Jake served as a project engineer for a prominent general contractor in Portland, where he played a pivotal role in various aspects of construction projects, from pre-construction to subcontractor management. His expertise extends to working on innovative projects, such as North America's largest CLT commercial building. Expertise: Commercial Construction, Commercial Remodeling, Home Design and Build Key Highlights: Editor at General Contractors, Project Engineer for Portland-based general contractor, Field Engineer for the largest CLT commercial building in North America Education: Oregon State University, Degree in Construction Engineering Management