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Products & Services
About 3Si2 Inc
3Si2 Inc is listed as a company classified under Custom Computer Programming Services, based in Carlsbad, California, United States, operating in Office service, employing 11-20 people and reporting $1M-$5M in annual revenue.
Its primary NAICS classification is 541511 (Custom Computer Programming Services). 3Si2 Inc is one of 2,121,238 Industrial & mechanical companies listed in California.
Business Contact Information
- Phone
- +1 (858) 2783742
- Website
- 3si2.com
- linkedin.com/company/3si2
- Address
- 1902 Wright Pl, Carlsbad, California, 92008, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 54Professional, Scientific, and Technical Services
- 5415Computer Systems Design and Related Services
- 541511Custom Computer Programming Services
SIC Codes
- 73Business Services
- 737Computer Programming, Data Processing, And Other Computer Related Services
- 7371Custom Computer Programming Services
Company Details
- Employees
- 16 (11-20)
- Annual Revenue
- $3.5M ($1M-$5M)
3Si2 Inc: frequently asked questions
What does 3Si2 Inc do?
3Si2 Inc is listed as a company classified under Custom Computer Programming Services, based in Carlsbad, California, United States, operating in Office service, employing 11-20 people and reporting $1M-$5M in annual revenue.
Where is 3Si2 Inc located?
3Si2 Inc is headquartered at 1902 Wright Pl, Carlsbad, California, 92008, United States.
How many employees does 3Si2 Inc have?
3Si2 Inc has about 16 employees (the 11-20 range).
What is 3Si2 Inc's annual revenue?
3Si2 Inc's annual revenue is estimated at $3.5M (the $1M-$5M range).
What industry is 3Si2 Inc in?
3Si2 Inc is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 541511 (Custom Computer Programming Services).
How can I contact 3Si2 Inc?
Its website is 3si2.com and its phone number is +1 (858) 2783742.
What companies are similar to 3Si2 Inc?
Other large industrial & mechanical companies in California include State of California, TD SYNNEX Corp, University of California and Ingram Micro Holding Corp.
Largest industrial & mechanical companies in California
Largest companies in California
Largest industrial & mechanical companies
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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