Top Employers in Conejo Valley, CA: Largest Companies & Major Job Creators
Conejo Valley is one of Southern California’s most desirable places to live and work, offering a strong job market paired with a high quality of life. Located in eastern Ventura County and western Los Angeles County, the Valley includes Thousand Oaks, Newbury Park, Westlake Village, Agoura Hills, and Oak Park. Over the last five years, Conejo Valley has maintained a resilient employment landscape driven by biotechnology, healthcare, education, telecommunications, and hospitality.
Despite economic shifts across California, employment in Conejo Valley has remained relatively stable thanks to its diversified employer base. Large biotech firms continue to anchor the regional economy, while healthcare systems, school districts, and hospitality employers provide long-term job security. This balance of high-skill professional roles and essential community jobs has positioned the area as a consistent employment hub within the 805 region of California.
Below is a ranked list of the Top Employers in Conejo Valley, CA, organized from largest to smallest, with details on each company’s role in the local economy.
Largest Employers in Conejo Valley, CA
1. Amgen
Employees: ~6,700
Employer City: Thousand Oaks / Newbury Park
Industry: Biotechnology
Company URL: https://www.amgen.com
Amgen is the largest employer in Conejo Valley and one of the world’s leading biotechnology companies. Headquartered locally, the company develops innovative therapies for serious diseases including cancer, cardiovascular conditions, and autoimmune disorders. Amgen’s campus supports thousands of high-paying jobs in research, engineering, manufacturing, and corporate operations, making it the cornerstone of the Valley’s life sciences sector.
2. Anthem Blue Cross (Elevance Health)
Employees: ~2,300
Employer City: Thousand Oaks
Industry: Health Insurance & Healthcare Services
Company URL: https://www.elevancehealth.com
Anthem Blue Cross operates major regional offices in Thousand Oaks, employing professionals in healthcare administration, customer service, analytics, and corporate support. The company plays a significant role in Conejo Valley’s healthcare employment market by supporting insurance services across California.
3. Verizon Communications
Employees: ~2,200
Employer City: Thousand Oaks
Industry: Telecommunications
Company URL: https://www.verizon.com
Verizon is a major technology and telecommunications employer in Conejo Valley. Local operations support wireless communications, broadband infrastructure, and enterprise services, offering jobs in network engineering, IT support, customer operations, and corporate services.
4. Conejo Valley Unified School District (CVUSD)
Employees: ~1,700+
Employer City: Thousand Oaks / Newbury Park
Industry: Education
Company URL: https://www.conejousd.org
CVUSD is one of the largest public employers in Conejo Valley. The district supports thousands of students and employs teachers, administrators, counselors, and support staff, making education a foundational component of the local workforce.
5. Los Robles Regional Medical Center
Employees: ~1,465
Employer City: Thousand Oaks
Industry: Healthcare
Company URL: https://losrobleshospital.com
Los Robles Regional Medical Center is a full-service hospital serving Ventura County and surrounding areas. The facility employs physicians, nurses, technicians, and administrative staff, reinforcing healthcare as one of the most stable employment sectors in Conejo Valley.
6. Takeda Pharmaceuticals (formerly Baxter / Shire)
Employees: ~950
Employer City: Thousand Oaks
Industry: Biopharmaceuticals
Company URL: https://www.takeda.com
Takeda’s Conejo Valley operations focus on specialty and plasma-derived therapies. The company provides jobs in scientific research, biologics manufacturing, quality assurance, and regulatory affairs, further strengthening the region’s biotech reputation.
7. Teradyne
Employees: ~800
Employer City: Thousand Oaks
Industry: Engineering & Manufacturing
Company URL: https://www.teradyne.com
Teradyne designs automated test equipment used in electronics and semiconductor manufacturing. Its presence in Conejo Valley supports engineering, advanced manufacturing, and technology development roles.
8. Janss Marketplace (Combined Tenants)
Employees: ~800+
Employer City: Thousand Oaks
Industry: Retail & Services
Company URL: https://www.janssmarketplace.com
Janss Marketplace is a major retail and dining destination employing hundreds across shops, restaurants, and service businesses. Retail and hospitality jobs here play a key role in the local economy.
9. City of Thousand Oaks
Employees: ~650
Employer City: Thousand Oaks
Industry: Government
Company URL: https://www.toaks.org
The City of Thousand Oaks employs workers across public safety, planning, public works, parks, and administration. Government employment provides long-term stability and essential services for residents.
10. Silver Star Automotive Group
Employees: ~600
Employer City: Thousand Oaks
Industry: Automotive Sales & Service
Company URL: https://www.silverstarautos.com
Silver Star Automotive operates multiple dealerships and service centers, employing professionals in vehicle sales, financing, maintenance, and management throughout Conejo Valley.
11. Skyworks Solutions
Employees: ~500
Employer City: Newbury Park
Industry: Semiconductor Manufacturing
Company URL: https://www.skyworksinc.com
Skyworks Solutions designs and manufactures analog semiconductors used in mobile and connected technologies. The company provides high-tech manufacturing and engineering jobs within the Valley.
12. California Lutheran University
Employees: ~470
Employer City: Thousand Oaks
Industry: Higher Education
Company URL: https://www.callutheran.edu
California Lutheran University supports faculty, administrative, and support roles while contributing to workforce development and cultural life in Conejo Valley.
13. Four Seasons Hotel Westlake Village
Employees: ~570
Employer City: Westlake Village
Industry: Hospitality
Company URL: https://www.fourseasons.com/westlakevillage
The Four Seasons Westlake Village is a luxury hotel and wellness destination employing staff in hospitality, culinary services, events, and wellness operations.
14. Westlake Village Inn
Employees: ~220
Employer City: Westlake Village
Industry: Hospitality & Events
Company URL: https://www.westlakevillageinn.com
The Westlake Village Inn supports jobs in lodging, dining, events, and live entertainment, making it an important hospitality employer in the Valley.
Employment Outlook for Conejo Valley, CA
The Top Employers in Conejo Valley, CA reflect a well-balanced economy anchored by global biotechnology leaders, healthcare providers, education institutions, and stable service industries. This diversity continues to support job growth, resilience, and long-term career opportunities throughout the 805 region of California.