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Products & Services
About Clas
This profile covers Clas, a company reporting $10M-$25M in annual revenue, classified under Elementary and Secondary Schools, based in Chicago, Illinois, United States, operating in Office service and employing 21-50 people.
Its primary NAICS classification is 611110 (Elementary and Secondary Schools). Clas is one of 508,039 Industrial & mechanical companies listed in Illinois.
Business Contact Information
- Phone
- +1 (773) 9667162
- Website
- theclas.org
- facebook.com/clas8500
- Address
- 11743 S Longwood Dr, Chicago, Illinois, 60643, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 61Educational Services
- 6111Elementary and Secondary Schools
- 611110Elementary and Secondary Schools
SIC Codes
- 82Educational Services
- 821Elementary And Secondary Schools
- 8211Elementary and Secondary Schools
Company Details
- Employees
- 23 (21-50)
- Annual Revenue
- $12.0M ($10M-$25M)
Clas: frequently asked questions
What does Clas do?
This profile covers Clas, a company reporting $10M-$25M in annual revenue, classified under Elementary and Secondary Schools, based in Chicago, Illinois, United States, operating in Office service and employing 21-50 people.
Where is Clas located?
Clas is headquartered at 11743 S Longwood Dr, Chicago, Illinois, 60643, United States.
How many employees does Clas have?
Clas has about 23 employees (the 21-50 range).
What is Clas's annual revenue?
Clas's annual revenue is estimated at $12.0M (the $10M-$25M range).
What industry is Clas in?
Clas is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 611110 (Elementary and Secondary Schools).
How can I contact Clas?
Its website is theclas.org and its phone number is +1 (773) 9667162.
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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