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Products & Services
About John Obrien
John Obrien is a company employing 1-5 people, reporting $0M-$1M in annual revenue, classified under All Other Business Support Services, based in Downers Grove, Illinois, United States and operating in Office service.
Its primary NAICS classification is 561499 (All Other Business Support Services). John Obrien is one of 508,039 Industrial & mechanical companies listed in Illinois.
Business Contact Information
- Phone
- +1 (630) 9711334
- Address
- 5745 Washington St, Downers Grove, Illinois, 60516, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 56Administrative and Support and Waste Management and Remediation Services
- 5614Business Support Services
- 561499All Other Business Support Services
SIC Codes
- 73Business Services
- 738Miscellaneous Business Services
- 7389Convention and Trade Show Organizers
Company Details
- Employees
- 3 (1-5)
- Annual Revenue
- $181,000 ($0M-$1M)
John Obrien: frequently asked questions
What does John Obrien do?
John Obrien is a company employing 1-5 people, reporting $0M-$1M in annual revenue, classified under All Other Business Support Services, based in Downers Grove, Illinois, United States and operating in Office service.
Where is John Obrien located?
John Obrien is headquartered at 5745 Washington St, Downers Grove, Illinois, 60516, United States.
How many employees does John Obrien have?
John Obrien has about 3 employees (the 1-5 range).
What is John Obrien's annual revenue?
John Obrien's annual revenue is estimated at $181,000 (the $0M-$1M range).
What industry is John Obrien in?
John Obrien is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 561499 (All Other Business Support Services).
How can I contact John Obrien?
Its phone number is +1 (630) 9711334.
Largest companies in Illinois
Largest industrial & mechanical companies
Manufacturing sales in Illinois, 2026
In Illinois, Factur's 2026 study counted 74 manufacturing quotes worth $11.8M and 14 purchase orders over 12 months: 19% of quotes became orders, against 21% nationally. See the Illinois data.
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