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Products & Services
About Tmo
Tmo is listed as a company based in Chicago, Illinois, United States, operating in Telecommunication providers, employing 21-50 people, reporting $1M-$5M in annual revenue and classified under Telecommunications Resellers.
Its primary NAICS classification is 517121 (Telecommunications Resellers). Tmo is one of 39,468 Communication companies listed in Illinois.
Business Contact Information
- Phone
- +1 (312) 4550502
- Address
- 542 S Dearborn St, Chicago, Illinois, 60605, United States
Industry & Classification
- Industry
- Communication
- Sector
- Telecommunication
- Segment
- Telecommunication providers
NAICS Codes
- 51Information
- 5171Wired and Wireless Telecommunications (except Satellite)
- 517121Telecommunications Resellers
SIC Codes
- 48Communications
- 481Telephone Communications
- 4812Wireless Telecommunications Carriers (Except Satellite)
Company Details
- Employees
- 23 (21-50)
- Annual Revenue
- $1.1M ($1M-$5M)
Tmo: frequently asked questions
What does Tmo do?
Tmo is listed as a company based in Chicago, Illinois, United States, operating in Telecommunication providers, employing 21-50 people, reporting $1M-$5M in annual revenue and classified under Telecommunications Resellers.
Where is Tmo located?
Tmo is headquartered at 542 S Dearborn St, Chicago, Illinois, 60605, United States.
How many employees does Tmo have?
Tmo has about 23 employees (the 21-50 range).
What is Tmo's annual revenue?
Tmo's annual revenue is estimated at $1.1M (the $1M-$5M range).
What industry is Tmo in?
Tmo is in the Communication / Telecommunication industry, and its primary NAICS code is 517121 (Telecommunications Resellers).
How can I contact Tmo?
Its phone number is +1 (312) 4550502.
What companies are similar to Tmo?
Other large communication companies in Illinois include Etisalat, Assurance Wireless, Telephone and Data Systems Inc and Telephone and Data Systems Inc.
Largest companies in Illinois
Largest communication 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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