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Products & Services
About Tier 3 IT
Tier 3 IT is listed as a company employing 6-10 people, reporting $0M-$1M in annual revenue, classified under Computer Facilities Management Services, based in Mission Viejo, California, United States and operating in Office service.
Its primary NAICS classification is 541513 (Computer Facilities Management Services). Tier 3 IT is one of 2,121,238 Industrial & mechanical companies listed in California.
Business Contact Information
- Phone
- +1 (949) 5350000
- Website
- tierthreeit.com
- facebook.com/tierthreeit
- Address
- 25191 Fairgreen, Mission Viejo, California, 92692, 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
- 541513Computer Facilities Management Services
SIC Codes
- 73Business Services
- 737Computer Programming, Data Processing, And Other Computer Related Services
- 7376Computer Facilities Management Services
Company Details
- Employees
- 6 (6-10)
- Annual Revenue
- $926,000 ($0M-$1M)
Tier 3 IT: frequently asked questions
What does Tier 3 IT do?
Tier 3 IT is listed as a company employing 6-10 people, reporting $0M-$1M in annual revenue, classified under Computer Facilities Management Services, based in Mission Viejo, California, United States and operating in Office service.
Where is Tier 3 IT located?
Tier 3 IT is headquartered at 25191 Fairgreen, Mission Viejo, California, 92692, United States.
How many employees does Tier 3 IT have?
Tier 3 IT has about 6 employees (the 6-10 range).
What is Tier 3 IT's annual revenue?
Tier 3 IT's annual revenue is estimated at $926,000 (the $0M-$1M range).
What industry is Tier 3 IT in?
Tier 3 IT is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 541513 (Computer Facilities Management Services).
How can I contact Tier 3 IT?
Its website is tierthreeit.com and its phone number is +1 (949) 5350000.
What companies are similar to Tier 3 IT?
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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