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Products & Services
About Post 525
This profile covers Post 525, a company based in Mount Prospect, Illinois, United States, operating in Office service, employing 11-20 people, reporting $1M-$5M in annual revenue and classified under Transportation and Warehousing.
Its primary NAICS classification is 491110 (Postal Service). Post 525 is one of 508,039 Industrial & mechanical companies listed in Illinois.
Business Contact Information
- Phone
- +1 (847) 4295339
- Website
- legion525.mountprospect.com
- Address
- PO Box 173, Mount Prospect, Illinois, 60056, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 49
- 4911Postal Service
- 491110Postal Service
SIC Codes
- 43United States Postal Service
- 431United States Postal Service
- 4311
Company Details
- Employees
- 19 (11-20)
- Annual Revenue
- $3.9M ($1M-$5M)
Post 525: frequently asked questions
What does Post 525 do?
This profile covers Post 525, a company based in Mount Prospect, Illinois, United States, operating in Office service, employing 11-20 people, reporting $1M-$5M in annual revenue and classified under Transportation and Warehousing.
Where is Post 525 located?
Post 525 is headquartered at PO Box 173, Mount Prospect, Illinois, 60056, United States.
How many employees does Post 525 have?
Post 525 has about 19 employees (the 11-20 range).
What is Post 525's annual revenue?
Post 525's annual revenue is estimated at $3.9M (the $1M-$5M range).
What industry is Post 525 in?
Post 525 is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 491110 (Postal Service).
How can I contact Post 525?
Its website is legion525.mountprospect.com and its phone number is +1 (847) 4295339.
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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