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Products & Services
About Protek Engineering Group
This profile covers Protek Engineering Group, a company classified under Engineering Services, based in Chicago, Illinois, United States, operating in Telecommunication providers, employing 21-50 people and reporting $5M-$10M in annual revenue.
Its primary NAICS classification is 541330 (Engineering Services). Protek Engineering Group is one of 39,468 Communication companies listed in Illinois.
Business Contact Information
- Phone
- +1 (866) 4058212
- Website
- proteksrv.com
- Address
- 225 W Washington St, Chicago, Illinois, 60606, United States
Industry & Classification
- Industry
- Communication
- Sector
- Telecommunication
- Segment
- Telecommunication providers
NAICS Codes
- 54Professional, Scientific, and Technical Services
- 5413Architectural, Engineering, and Related Services
- 541330Engineering Services
SIC Codes
- 87Engineering, Accounting, Research, Management, And Related Services
- 871Engineering, Architectural, And Surveying
- 8711Engineering Services
Company Details
- Employees
- 29 (21-50)
- Annual Revenue
- $6.1M ($5M-$10M)
Protek Engineering Group: frequently asked questions
What does Protek Engineering Group do?
This profile covers Protek Engineering Group, a company classified under Engineering Services, based in Chicago, Illinois, United States, operating in Telecommunication providers, employing 21-50 people and reporting $5M-$10M in annual revenue.
Where is Protek Engineering Group located?
Protek Engineering Group is headquartered at 225 W Washington St, Chicago, Illinois, 60606, United States.
How many employees does Protek Engineering Group have?
Protek Engineering Group has about 29 employees (the 21-50 range).
What is Protek Engineering Group's annual revenue?
Protek Engineering Group's annual revenue is estimated at $6.1M (the $5M-$10M range).
What industry is Protek Engineering Group in?
Protek Engineering Group is in the Communication / Telecommunication industry, and its primary NAICS code is 541330 (Engineering Services).
How can I contact Protek Engineering Group?
Its website is proteksrv.com and its phone number is +1 (866) 4058212.
What companies are similar to Protek Engineering Group?
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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