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About Jsi
Jsi is listed as a company employing 21-50 people, reporting $1M-$5M in annual revenue, classified under Engineering Services and based in Thousand Oaks, California, United States.
Its primary NAICS classification is 541330 (Engineering Services). Jsi is one of 7,660,543 companies listed in California.
Business Contact Information
- Address
- 1521 Rugby Cir, Thousand Oaks, California, 91360, United States
Industry & Classification
NAICS Codes
- 54Professional, Scientific, and Technical Services
- 5413Architectural, Engineering, and Related Services
- 541330Engineering Services
SIC Codes
- 87Engineering, Accounting, Research, Management, And Related Services
- 871Engineering, Architectural, And Surveying
- 8711Engineering Services
Company Details
- Employees
- 25 (21-50)
- Annual Revenue
- $1.9M ($1M-$5M)
Jsi: frequently asked questions
What does Jsi do?
Jsi is listed as a company employing 21-50 people, reporting $1M-$5M in annual revenue, classified under Engineering Services and based in Thousand Oaks, California, United States.
Where is Jsi located?
Jsi is headquartered at 1521 Rugby Cir, Thousand Oaks, California, 91360, United States.
How many employees does Jsi have?
Jsi has about 25 employees (the 21-50 range).
What is Jsi's annual revenue?
Jsi's annual revenue is estimated at $1.9M (the $1M-$5M range).
What industry is Jsi in?
Jsi's primary NAICS code is 541330 (Engineering Services).
Largest companies in California
Largest companies on Factur
Manufacturing sales in California, 2026
In California, Factur's 2026 study counted 98 manufacturing quotes worth $14.7M and 18 purchase orders over 12 months: 18% of quotes became orders, against 21% nationally. See the California data.
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