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Products & Services
About Ul LLC
UL Solutions is a global independent safety science company with more than a century of expertise innovating safety solutions. Ul LLC is listed as a company operating in Office service, employing 10,000+ people, reporting $1B-$5B in annual revenue, classified under Architectural, Engineering, and Related Services and based in Northbrook, Illinois, United States.
Its primary NAICS classification is 541380 (Testing Laboratories and Services). Ul LLC is one of 508,039 Industrial & mechanical companies listed in Illinois.
Business Contact Information
- Phone
- +1 (847) 2728800
- Fax
- +XXX (780) 4401056
- Website
- http://www.ul.com
- linkedin.com/company/ulsolutions
- facebook.com/ulsolutionsglobal
- Address
- 333 Pfingsten Rd, Northbrook, Illinois, 60062, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 54Professional, Scientific, and Technical Services
- 5413Architectural, Engineering, and Related Services
- 541380Testing Laboratories and Services
SIC Codes
- 87Engineering, Accounting, Research, Management, And Related Services
- 873Research, Development, And Testing Services
- 8734Testing Laboratories
Company Details
- Employees
- 14,587 (10,000+)
- Annual Revenue
- $3.1B ($1B-$5B)
Ul LLC: frequently asked questions
What does Ul LLC do?
UL Solutions is a global independent safety science company with more than a century of expertise innovating safety solutions.
Where is Ul LLC located?
Ul LLC is headquartered at 333 Pfingsten Rd, Northbrook, Illinois, 60062, United States.
How many employees does Ul LLC have?
Ul LLC has about 14,587 employees (the 10,000+ range).
What is Ul LLC's annual revenue?
Ul LLC's annual revenue is estimated at $3.1B (the $1B-$5B range).
What industry is Ul LLC in?
Ul LLC is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 541380 (Testing Laboratories and Services).
How can I contact Ul LLC?
Its website is www.ul.com and its phone number is +1 (847) 2728800.
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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