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Products & Services
About Att Testing
Att Testing is listed as a company operating in Office service, employing 21-50 people, reporting $1M-$5M in annual revenue, classified under Architectural, Engineering, and Related Services and based in San Ramon, California, United States.
Its primary NAICS classification is 541380 (Testing Laboratories and Services). Att Testing is one of 2,121,238 Industrial & mechanical companies listed in California.
Business Contact Information
- Phone
- +1 (925) 8205639
- Address
- 5005 Executive Pkwy, San Ramon, California, 94583, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 54Professional, Scientific, and Technical Services
- 5413Architectural, Engineering, and Related Services
- 541380Testing Laboratories and Services
SIC Codes
- 87Engineering, Accounting, Research, Management, And Related Services
- 873Research, Development, And Testing Services
- 8734Testing Laboratories
Company Details
- Employees
- 23 (21-50)
- Annual Revenue
- $2.6M ($1M-$5M)
Att Testing: frequently asked questions
What does Att Testing do?
Att Testing is listed as a company operating in Office service, employing 21-50 people, reporting $1M-$5M in annual revenue, classified under Architectural, Engineering, and Related Services and based in San Ramon, California, United States.
Where is Att Testing located?
Att Testing is headquartered at 5005 Executive Pkwy, San Ramon, California, 94583, United States.
How many employees does Att Testing have?
Att Testing has about 23 employees (the 21-50 range).
What is Att Testing's annual revenue?
Att Testing's annual revenue is estimated at $2.6M (the $1M-$5M range).
What industry is Att Testing in?
Att Testing is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 541380 (Testing Laboratories and Services).
How can I contact Att Testing?
Its phone number is +1 (925) 8205639.
What companies are similar to Att Testing?
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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