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Products & Services
About Proklean
Proklean is a company based in Chicago Heights, Illinois, United States, operating in Office service, employing 21-50 people, reporting $5M-$10M in annual revenue and classified under Services to Buildings and Dwellings.
Its primary NAICS classification is 561720 (Janitorial Services). Proklean is one of 508,039 Industrial & mechanical companies listed in Illinois.
Business Contact Information
- Phone
- +1 (708) 7546797
- Website
- proklean.net
- facebook.com/1proklean
- Address
- 31 E 23rd St, Chicago Heights, Illinois, 60411, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 56Administrative and Support and Waste Management and Remediation Services
- 5617Services to Buildings and Dwellings
- 561720Janitorial Services
SIC Codes
- 45Transportation By Air
- 458Airports, Flying Fields, And Airport Terminal
- 4581Other Airport Operations
Company Details
- Employees
- 24 (21-50)
- Annual Revenue
- $5.7M ($5M-$10M)
Proklean: frequently asked questions
What does Proklean do?
Proklean is a company based in Chicago Heights, Illinois, United States, operating in Office service, employing 21-50 people, reporting $5M-$10M in annual revenue and classified under Services to Buildings and Dwellings.
Where is Proklean located?
Proklean is headquartered at 31 E 23rd St, Chicago Heights, Illinois, 60411, United States.
How many employees does Proklean have?
Proklean has about 24 employees (the 21-50 range).
What is Proklean's annual revenue?
Proklean's annual revenue is estimated at $5.7M (the $5M-$10M range).
What industry is Proklean in?
Proklean is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 561720 (Janitorial Services).
How can I contact Proklean?
Its website is proklean.net and its phone number is +1 (708) 7546797.
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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