Top 20 Commercial Contractors in Southern California: Your Complete Guide to Choosing the Right Partner

When selecting a commercial contractor for your Southern California project, having direct access to their contact information and understanding each company’s history is essential for making an informed decision.

Here are the complete profiles of the top 20 commercial contractors operating across San Diego, Orange, Riverside, San Bernardino, and Los Angeles Counties.​

Why You Need a Commercial Contractor

Commercial contractors serve as the central hub for your entire construction project, managing everything from initial planning to final inspections.

They handle critical responsibilities including site preparation, permit applications, subcontractor coordination, budget management, and ensuring compliance with local building codes.

Their expertise becomes invaluable when dealing with Southern California’s stringent building requirements and complex regulatory environment.

Large-Scale National Commercial Leaders

1. Turner Construction Company

• Founded: 1902 by Henry Turner​

• Website: turnerconstruction.com​

• Email: [email protected]​

• Phone: (212) 229-6000​

• Southern California Contact: Noah Boro, VP & General Manager – [email protected], (714) 318-0247​

• Revenue: $14 billion (2024)​

• Headquarters: 66 Hudson Boulevard East, New York, NY 10001​

• Local Offices: Los Angeles/Orange County, San Diego​

• Specialties: Healthcare facilities, educational institutions, commercial office buildings, infrastructure projects

• Notable: Largest domestic contractor in the United States​

2. Swinerton

• Founded: 1888 by Swedish immigrant Charles Lindgren​

• Website: swinerton.com​

• Phone: (415) 421-2980​

• Email: [email protected]​

• San Diego Office: 16798 West Bernardo Drive, San Diego, CA 92127, Phone: (858) 622-4040​

• Los Angeles Office: 1150 S. Olive St., 27th Floor, Los Angeles, CA 90017, Phone: (213) 896-3400​

• Revenue: $5 billion (2024)​

• Ownership: 100% employee-owned since 1980​

• Specialties: Commercial construction, life sciences, civic projects, construction management, design-build

• Notable: 2025 ENR West Southern California Contractor of the Year​

3. DPR Construction

• Founded: July 1990​

• Website: dpr.com​

• Email: [email protected] (press inquiries)​

• Prequalification Email: [email protected]​

• Phone: (602) 333-1834​

• Revenue: Multi-billion dollar organization​

• Specialties: Healthcare facilities, life sciences, advanced research facilities, senior living, technical construction

• Notable: Ranked #10 on FORTUNE’s “100 Best Companies to Work For” in 2014​

4. McCarthy Building Companies

• Founded: 1864​

• Website: mccarthy.com​

• Phone: (949) 851-8383​

• San Diego Office: 8880 Rio San Diego Dr, Suite 1000, San Diego, CA 92108, Phone: (619) 624-7700​

• Newport Beach Office: 20401 SW Birch St, Newport Beach, CA 92660​

• Revenue: Multi-billion dollar national contractor​

• Founded: Over 160 years of commercial construction experience​

• Specialties: Commercial construction, hospitality, entertainment venues, healthcare facilities​

• Notable: America’s oldest privately held national construction company​

5. PCL Construction Services

• Founded: 1985 in Southern California​

• Website: pcl.com​

• Phone: (818) 265-3500​

• Los Angeles Office: 1900 Avenue of the Stars, Suite 300, Los Angeles, CA 90067​

• San Diego Office: 750 B Street, Suite 2700, San Diego, CA 92101​

• Revenue: $696,776,000 Southern California (2022)​

• Employees: 795​

• Offices: 4 in Southern California, 31 firmwide​

• Specialties: Office, retail, multifamily, data centers, hospitality, aviation, higher education, sports & entertainment​

• Notable: Southern California’s #7-ranked general contractor by revenue for 2024​

Established Commercial Construction Specialists

6. Tutor Perini Corporation

• Founded: 1894 by Italian immigrant Bonfiglio Perini​

• Website: tutorperini.com​

• Phone: (818) 362-8391​

• Email: [email protected] (investor relations)​

• Headquarters: 15901 Olden Street, Sylmar, CA 91342​

• Revenue: $4.8 billion (2024)​

• Stock: Publicly traded (NYSE)​

• Specialties: Civil engineering, infrastructure projects, major construction management, design-build services

• Notable: One of the largest general contractors in the United States​

7. Webcor Builders

• Founded: 1971​

• Website: webcor.com​

• Phone: (415) 978-1000​

• Los Angeles Office: 333 S. Grand Ave, Suite 4400, Los Angeles, CA 90071​

• San Diego Office: 4275 Executive Square, Suite 250, La Jolla, CA 92037​

• Revenue: $1.3 billion (2023)​

• Specialties: High-rise residential, commercial towers, hospitals, university infrastructure, transportation hubs

• Notable: Built Sacramento’s tallest building, acquired by Japan’s Obayashi Corporation​

8. AECOM Hunt

• Founded: 1944 in Indianapolis​

• Website: aecom.com/aecom-hunt​

• Revenue: $1.2 billion (2013)​

• Employees: 700+ in nine U.S. offices​

• Parent Company: Acquired by AECOM in 2017​

• Specialties: Sports facilities, healthcare, aviation, commercial construction management, design-build​

• Notable: One of the country’s leading commercial construction management firms​

9. Skyline Construction

• Founded: Over 30 years of commercial experience​

• Website: skylineconstruction.build​

• Phone: (858) 720-8559 (San Diego)​

• Carlsbad Office: 5051 Avenida Encinas, Carlsbad, CA 92008​

• Downtown Office: 101 Broadway Suite 1100, San Diego, CA 92101​

• Revenue: $9 million​

• Specialties: Life science facilities, commercial interiors, office spaces, hospitality, retail, healthcare​

• Notable: Leading San Diego commercial interior contractor for over 30 years​

10. Clark Construction

• Website: clarkconstruction.com​

• Phone: (301) 272-8100 (Corporate)​

• San Diego Office: 525 B Street, Suite 250, San Diego, CA 92101, Phone: (619) 578-2650​

• Los Angeles Office: 515 South Figueroa Street, Suite 2000, Los Angeles, CA 90071, Phone: (213) 933-2103​

• Costa Mesa Office: 611 Anton Boulevard, Suite 1100, Costa Mesa, CA 92626, Phone: (714) 427-2800​

• Specialties: Large-scale commercial and institutional projects

• Notable: Major national contractor with significant Southern California operations​

Regional Commercial Construction Leaders

11. Commercial Builders Inc. (CBI)

• Website: cbi-sd.com​

• Location: San Diego, California

• Specialties: Full range of commercial construction services from design through project completion​

• Focus: Commercial building construction and project management

12. Sierra Group

• Website: callsierra.com​

• Phone: 1-888-880-4949​

• Experience: Almost 3 decades of commercial construction​

• Service Area: Los Angeles, San Diego, Orange County, Irvine​

• Specialties: Industrial construction, retail construction, commercial tenant improvements, bank and credit union branches​

• Notable: Leading T.I., bank branch, commercial, industrial, and retail general contractors​

13. AO Contractors (Alpha Omega)

• Website: aocontractors.com​

• Location: Irvine, Southern California​

• Experience: Over 40 years of combined experience​

• Specialties: Commercial, retail, and industrial properties, construction management​

• Compliance: California Title 24 and ADA compliance, LEED certifications​

• Focus: Full-service construction from inception to closeout​

14. Crew Builders

• Website: crewbuilders.com​

• Specialties: Commercial tenant improvement services, design-build commercial contractor​

• Experience: Premier Southern California design-build commercial contractor​

• Focus: Office buildings, restaurants, industrial spaces, medical offices, fitness centers​

15. Esplanade Builders

• Founded: 2003​

• Website: esplanadebuilders.com​

• Location: 23820 Hawthorne Blvd, Suite 100, Torrance, CA 90505

• Certification: Award-winning, fully licensed​

• Specialties: Commercial tenant improvements for office/creative, industrial/manufacturing, medical/laboratory, financial/professional, retail spaces​

• Notable: Full-service general contractor and project management specialists​

16. Balfour Beatty

• Website: balfourbeattyus.com​

• Phone: (214) 451-1000​

• San Diego Office: 13520 Evening Creek Drive North, Suite 270, San Diego, CA 92128, Phone: (858) 635-7400​

• License: CA License No. 979126​

• Specialties: Infrastructure development, commercial buildings, educational facilities

• Notable: Global construction and engineering services company​

17. Gilbane Building Company

• Website: gilbaneco.com​

• Phone: 1-800-GILBANE (1-800-445-2263)​

• Email: [email protected]​

• Specialties: Healthcare facilities, educational institutions, mission-critical facilities

• Notable: Consistently ranked among top national contractors​

18. NexGen Construction Management

• Website: nexgenconstructionmanagement.com​

• Specialties: Engineering and project management solutions for commercial, institutional, and civic developments​

• Service Area: Southern California​

• Focus: Specialized commercial construction management​

19. Burger Construction

• Website: burgercon.com​

• Location: San Diego​

• Specialties: Commercial renovations, tenant improvement specialists​

• Focus: Trusted by San Diego’s most prominent commercial tenants​

20. Harper Construction

• Website: harperconstruction.com​

• Location: San Diego​

• Experience: 50 years of excellence in the construction industry​

• Specialties: Commercial construction projects

Why Professional Commercial Building Inspections Are Essential

Commercial construction projects require specialized inspection services to ensure compliance with complex building codes, safety regulations, and industry standards throughout the construction process. These inspections are critical for verifying structural integrity, electrical systems, HVAC installations, plumbing infrastructure, and life safety systems in commercial buildings.​

How US Commercial Building Inspections Supports Your Commercial Project

US Commercial Building Inspections (USCBI) provides comprehensive commercial building inspection services specifically designed for the complexities of commercial construction projects. Our experienced inspectors work with these leading commercial contractors across all five Southern California counties: San Diego, Orange, Riverside, San Bernardino, and Los Angeles.​

Contact USCBI today to ensure your commercial construction project meets the highest standards of quality, safety, and regulatory compliance, regardless of which commercial contractor you choose from this verified list.

Why Professional Building Inspections Matter

Working with any of these top commercial contractors requires professional oversight through comprehensive building inspections to ensure quality construction, code compliance, and safety standards. Commercial building inspections examine structural integrity, electrical systems, HVAC equipment, plumbing infrastructure, roofing systems, and life safety components throughout the construction process.​

How US Commercial Building Inspections Supports Your Project

US Commercial Building Inspections (USCBI) provides essential oversight services throughout Southern California, ensuring your commercial construction project meets the highest standards regardless of which contractor you choose.

Our comprehensive inspection services help protect your investment and ensure regulatory compliance across all five counties: San Diego, Orange, Riverside, San Bernardino, and Los Angeles.​

Contact USCBI today to schedule professional commercial building inspection services that complement the expertise of these leading Southern California contractors, ensuring your project achieves optimal quality, safety, and compliance standards.