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Products & Services
About Kos Services LLC
Kos Services LLC is a company reporting $1M-$5M in annual revenue, classified under Other Schools and Instruction, based in Chicago, Illinois, United States, operating in Office service and employing 11-20 people.
Its primary NAICS classification is 611691 (Exam Preparation and Tutoring). Kos Services LLC is one of 508,039 Industrial & mechanical companies listed in Illinois.
Business Contact Information
- Phone
- +1 (312) 2740308
- Website
- kostservices.com
- Address
- 350 N Clark St, Chicago, Illinois, 60654, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 61Educational Services
- 6116Other Schools and Instruction
- 611691Exam Preparation and Tutoring
SIC Codes
- 82Educational Services
- 829Schools And Educational Services, Not Elsewhere
- 8299Automobile Driving Schools
Company Details
- Employees
- 19 (11-20)
- Annual Revenue
- $1.3M ($1M-$5M)
Kos Services LLC: frequently asked questions
What does Kos Services LLC do?
Kos Services LLC is a company reporting $1M-$5M in annual revenue, classified under Other Schools and Instruction, based in Chicago, Illinois, United States, operating in Office service and employing 11-20 people.
Where is Kos Services LLC located?
Kos Services LLC is headquartered at 350 N Clark St, Chicago, Illinois, 60654, United States.
How many employees does Kos Services LLC have?
Kos Services LLC has about 19 employees (the 11-20 range).
What is Kos Services LLC's annual revenue?
Kos Services LLC's annual revenue is estimated at $1.3M (the $1M-$5M range).
What industry is Kos Services LLC in?
Kos Services LLC is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 611691 (Exam Preparation and Tutoring).
How can I contact Kos Services LLC?
Its website is kostservices.com and its phone number is +1 (312) 2740308.
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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