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Products & Services
About Klein's Classes
This profile covers Klein's Classes, a company reporting $0M-$1M in annual revenue, classified under Other Schools and Instruction, based in Wilmette, Illinois, United States, operating in Office service and employing 1-5 people.
Its primary NAICS classification is 611691 (Exam Preparation and Tutoring). Klein's Classes is one of 508,039 Industrial & mechanical companies listed in Illinois.
Business Contact Information
- Phone
- +1 (847) 2510807
- Website
- kleinsclasses.com
- Address
- 2136 Lake Ave, Wilmette, Illinois, 60091, 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
- 5 (1-5)
- Annual Revenue
- $871,000 ($0M-$1M)
Klein's Classes: frequently asked questions
What does Klein's Classes do?
This profile covers Klein's Classes, a company reporting $0M-$1M in annual revenue, classified under Other Schools and Instruction, based in Wilmette, Illinois, United States, operating in Office service and employing 1-5 people.
Where is Klein's Classes located?
Klein's Classes is headquartered at 2136 Lake Ave, Wilmette, Illinois, 60091, United States.
How many employees does Klein's Classes have?
Klein's Classes has about 5 employees (the 1-5 range).
What is Klein's Classes's annual revenue?
Klein's Classes's annual revenue is estimated at $871,000 (the $0M-$1M range).
What industry is Klein's Classes in?
Klein's Classes is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 611691 (Exam Preparation and Tutoring).
How can I contact Klein's Classes?
Its website is kleinsclasses.com and its phone number is +1 (847) 2510807.
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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