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Products & Services
About Overdorff, John
Overdorff, John is listed as a company reporting $0M-$1M in annual revenue, classified under Management, Scientific, and Technical Consulting Services, based in Chicago, Illinois, United States, operating in Office service and employing 6-10 people.
Its primary NAICS classification is 541690 (Other Scientific and Technical Consulting Services). Overdorff, John is one of 508,039 Industrial & mechanical companies listed in Illinois.
Business Contact Information
- Phone
- +1 (312) 8453000
- Address
- 111 W Monroe St, Chicago, Illinois, 60603, 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
- 541690Other Scientific and Technical Consulting Services
SIC Codes
- 7Agricultural Services
- 78Motion Pictures
- 781Motion Picture Production And Allied Services
Company Details
- Employees
- 6 (6-10)
- Annual Revenue
- $277,000 ($0M-$1M)
Overdorff, John: frequently asked questions
What does Overdorff, John do?
Overdorff, John is listed as a company reporting $0M-$1M in annual revenue, classified under Management, Scientific, and Technical Consulting Services, based in Chicago, Illinois, United States, operating in Office service and employing 6-10 people.
Where is Overdorff, John located?
Overdorff, John is headquartered at 111 W Monroe St, Chicago, Illinois, 60603, United States.
How many employees does Overdorff, John have?
Overdorff, John has about 6 employees (the 6-10 range).
What is Overdorff, John's annual revenue?
Overdorff, John's annual revenue is estimated at $277,000 (the $0M-$1M range).
What industry is Overdorff, John in?
Overdorff, John is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 541690 (Other Scientific and Technical Consulting Services).
How can I contact Overdorff, John?
Its phone number is +1 (312) 8453000.
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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