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Products & Services
About John Troisi
This profile covers John Troisi, a company based in Napa, California, United States, operating in Office service, employing 6-10 people, reporting $0M-$1M in annual revenue and classified under Business Schools and Computer and Management Training.
Its primary NAICS classification is 611420 (Computer Training). John Troisi is one of 2,121,238 Industrial & mechanical companies listed in California.
Business Contact Information
- Phone
- +1 (973) 4028524
- Fax
- +XXX (973) 4028583
- Website
- johntroisi.com
- Address
- 1021 Atlas Peak Rd, Napa, California, 94558, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 61Educational Services
- 6114Business Schools and Computer and Management Training
- 611420Computer Training
SIC Codes
- 82Educational Services
- 824Vocational Schools
- 8243Computer Training
Company Details
- Employees
- 6 (6-10)
- Annual Revenue
- $959,000 ($0M-$1M)
John Troisi: frequently asked questions
What does John Troisi do?
This profile covers John Troisi, a company based in Napa, California, United States, operating in Office service, employing 6-10 people, reporting $0M-$1M in annual revenue and classified under Business Schools and Computer and Management Training.
Where is John Troisi located?
John Troisi is headquartered at 1021 Atlas Peak Rd, Napa, California, 94558, United States.
How many employees does John Troisi have?
John Troisi has about 6 employees (the 6-10 range).
What is John Troisi's annual revenue?
John Troisi's annual revenue is estimated at $959,000 (the $0M-$1M range).
What industry is John Troisi in?
John Troisi is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 611420 (Computer Training).
How can I contact John Troisi?
Its website is johntroisi.com and its phone number is +1 (973) 4028524.
What companies are similar to John Troisi?
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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