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Products & Services
About Proof Works
Proof Works is a company based in Chicago, Illinois, United States, operating in Telecommunication providers, employing 11-20 people, reporting $1M-$5M in annual revenue and classified under Graphic Design Services.
Its primary NAICS classification is 541430 (Graphic Design Services). Proof Works is one of 39,468 Communication companies listed in Illinois.
Business Contact Information
- Website
- theproofworks.com
- Address
- 444 N Wells St, Chicago, Illinois, 60654, United States
Industry & Classification
- Industry
- Communication
- Sector
- Telecommunication
- Segment
- Telecommunication providers
NAICS Codes
- 54Professional, Scientific, and Technical Services
- 5414Specialized Design Services
- 541430Graphic Design Services
SIC Codes
- 73Business Services
- 733Mailing, Reproduction, Commercial Art And Photography, and Stenographic Services
- 7336
Company Details
- Employees
- 11 (11-20)
- Annual Revenue
- $4.2M ($1M-$5M)
Proof Works: frequently asked questions
What does Proof Works do?
Proof Works is a company based in Chicago, Illinois, United States, operating in Telecommunication providers, employing 11-20 people, reporting $1M-$5M in annual revenue and classified under Graphic Design Services.
Where is Proof Works located?
Proof Works is headquartered at 444 N Wells St, Chicago, Illinois, 60654, United States.
How many employees does Proof Works have?
Proof Works has about 11 employees (the 11-20 range).
What is Proof Works's annual revenue?
Proof Works's annual revenue is estimated at $4.2M (the $1M-$5M range).
What industry is Proof Works in?
Proof Works is in the Communication / Telecommunication industry, and its primary NAICS code is 541430 (Graphic Design Services).
How can I contact Proof Works?
Its website is theproofworks.com.
What companies are similar to Proof Works?
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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