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Products & Services
About PTR Laboratory
PTR Laboratory is listed as a company based in San Diego, California, United States, operating in Office service, employing 101-250 people, reporting $5M-$10M in annual revenue and classified under Architectural, Engineering, and Related Services.
Its primary NAICS classification is 541380 (Testing Laboratories and Services). PTR Laboratory is one of 2,121,238 Industrial & mechanical companies listed in California.
Business Contact Information
- Phone
- +1 (760) 9251761
- Address
- San Diego, California, 92121, 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
- 199 (101-250)
- Annual Revenue
- $6.6M ($5M-$10M)
PTR Laboratory: frequently asked questions
What does PTR Laboratory do?
PTR Laboratory is listed as a company based in San Diego, California, United States, operating in Office service, employing 101-250 people, reporting $5M-$10M in annual revenue and classified under Architectural, Engineering, and Related Services.
Where is PTR Laboratory located?
PTR Laboratory is headquartered in San Diego, California, 92121, United States.
How many employees does PTR Laboratory have?
PTR Laboratory has about 199 employees (the 101-250 range).
What is PTR Laboratory's annual revenue?
PTR Laboratory's annual revenue is estimated at $6.6M (the $5M-$10M range).
What industry is PTR Laboratory in?
PTR Laboratory is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 541380 (Testing Laboratories and Services).
How can I contact PTR Laboratory?
Its phone number is +1 (760) 9251761.
What companies are similar to PTR Laboratory?
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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