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Products & Services
About Obrien
Obrien is a company based in Saint Charles, Illinois, United States, operating in Office service, employing 11-20 people, reporting $1M-$5M in annual revenue and classified under Administrative Management and General Management Consulting Services.
Its primary NAICS classification is 541611 (Administrative Management and General Management Consulting Services). Obrien is one of 508,039 Industrial & mechanical companies listed in Illinois.
Business Contact Information
- Phone
- +1 (800) 2329595
- Fax
- +XXX (630) 8300062
- Website
- obinc.com
- linkedin.com/company/2423164
- Address
- 2440 Production Dr, Saint Charles, Illinois, 60174, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 54Professional, Scientific, and Technical Services
- 5416Management, Scientific, and Technical Consulting Services
- 541611Administrative Management and General Management Consulting Services
SIC Codes
- 87Engineering, Accounting, Research, Management, And Related Services
- 874Management And Public Relations Services
- 8742Marketing Consulting Services
Company Details
- Employees
- 15 (11-20)
- Annual Revenue
- $3.8M ($1M-$5M)
Obrien: frequently asked questions
What does Obrien do?
Obrien is a company based in Saint Charles, Illinois, United States, operating in Office service, employing 11-20 people, reporting $1M-$5M in annual revenue and classified under Administrative Management and General Management Consulting Services.
Where is Obrien located?
Obrien is headquartered at 2440 Production Dr, Saint Charles, Illinois, 60174, United States.
How many employees does Obrien have?
Obrien has about 15 employees (the 11-20 range).
What is Obrien's annual revenue?
Obrien's annual revenue is estimated at $3.8M (the $1M-$5M range).
What industry is Obrien in?
Obrien is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 541611 (Administrative Management and General Management Consulting Services).
How can I contact Obrien?
Its website is obinc.com and its phone number is +1 (800) 2329595.
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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