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Products & Services
About First Principals
First Principals is listed as a company reporting $1M-$5M in annual revenue, classified under Professional and Management Development Training, based in Chicago, Illinois, United States, operating in Office service and employing 6-10 people.
Its primary NAICS classification is 611430 (Professional and Management Development Training). First Principals is one of 508,039 Industrial & mechanical companies listed in Illinois.
Business Contact Information
- Address
- 60 E Monroe St, Chicago, Illinois, 60603, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 61Educational Services
- 6114Business Schools and Computer and Management Training
- 611430Professional and Management Development Training
SIC Codes
- 82Educational Services
- 829Schools And Educational Services, Not Elsewhere
- 8299Automobile Driving Schools
Company Details
- Employees
- 9 (6-10)
- Annual Revenue
- $1.3M ($1M-$5M)
First Principals: frequently asked questions
What does First Principals do?
First Principals is listed as a company reporting $1M-$5M in annual revenue, classified under Professional and Management Development Training, based in Chicago, Illinois, United States, operating in Office service and employing 6-10 people.
Where is First Principals located?
First Principals is headquartered at 60 E Monroe St, Chicago, Illinois, 60603, United States.
How many employees does First Principals have?
First Principals has about 9 employees (the 6-10 range).
What is First Principals's annual revenue?
First Principals's annual revenue is estimated at $1.3M (the $1M-$5M range).
What industry is First Principals in?
First Principals is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 611430 (Professional and Management Development Training).
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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