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Products & Services
About Polytechnic Inc
This profile covers Polytechnic Inc, a company classified under Investigation and Personal Background Check Services, based in Mundelein, Illinois, United States, operating in Office service, employing 1-5 people and reporting $1M-$5M in annual revenue.
Its primary NAICS classification is 561611 (Investigation and Personal Background Check Services). Polytechnic Inc is one of 508,039 Industrial & mechanical companies listed in Illinois.
Business Contact Information
- Phone
- +1 (847) 5640520
- Website
- www.polytechnic-inc.com
- Address
- 21139 W Sylvan Dr, Mundelein, Illinois, 60060, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 56Administrative and Support and Waste Management and Remediation Services
- 5616Investigation and Security Services
- 561611Investigation and Personal Background Check Services
SIC Codes
- 73Business Services
- 738Miscellaneous Business Services
- 7381Investigation Services
Company Details
- Employees
- 4 (1-5)
- Annual Revenue
- $1.2M ($1M-$5M)
Polytechnic Inc: frequently asked questions
What does Polytechnic Inc do?
This profile covers Polytechnic Inc, a company classified under Investigation and Personal Background Check Services, based in Mundelein, Illinois, United States, operating in Office service, employing 1-5 people and reporting $1M-$5M in annual revenue.
Where is Polytechnic Inc located?
Polytechnic Inc is headquartered at 21139 W Sylvan Dr, Mundelein, Illinois, 60060, United States.
How many employees does Polytechnic Inc have?
Polytechnic Inc has about 4 employees (the 1-5 range).
What is Polytechnic Inc's annual revenue?
Polytechnic Inc's annual revenue is estimated at $1.2M (the $1M-$5M range).
What industry is Polytechnic Inc in?
Polytechnic Inc is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 561611 (Investigation and Personal Background Check Services).
How can I contact Polytechnic Inc?
Its website is www.polytechnic-inc.com and its phone number is +1 (847) 5640520.
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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