Ref Systems LLC
Commercial services · Buffalo Grove, Illinois
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Products & Services
About Ref Systems LLC
This profile covers Ref Systems LLC, a company classified under Custom Computer Programming Services, based in Buffalo Grove, Illinois, United States, operating in Office service, employing 21-50 people and reporting $1M-$5M in annual revenue.
Its primary NAICS classification is 541511 (Custom Computer Programming Services). Ref Systems LLC is one of 508,039 Industrial & mechanical companies listed in Illinois.
Business Contact Information
- Address
- 2020 Wright Blvd, Buffalo Grove, Illinois, 60089, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 54Professional, Scientific, and Technical Services
- 5415Computer Systems Design and Related Services
- 541511Custom Computer Programming Services
SIC Codes
- 73Business Services
- 737Computer Programming, Data Processing, And Other Computer Related Services
- 7371Custom Computer Programming Services
Company Details
- Employees
- 36 (21-50)
- Annual Revenue
- $1.3M ($1M-$5M)
Ref Systems LLC: frequently asked questions
What does Ref Systems LLC do?
This profile covers Ref Systems LLC, a company classified under Custom Computer Programming Services, based in Buffalo Grove, Illinois, United States, operating in Office service, employing 21-50 people and reporting $1M-$5M in annual revenue.
Where is Ref Systems LLC located?
Ref Systems LLC is headquartered at 2020 Wright Blvd, Buffalo Grove, Illinois, 60089, United States.
How many employees does Ref Systems LLC have?
Ref Systems LLC has about 36 employees (the 21-50 range).
What is Ref Systems LLC's annual revenue?
Ref Systems LLC's annual revenue is estimated at $1.3M (the $1M-$5M range).
What industry is Ref Systems LLC in?
Ref Systems LLC is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 541511 (Custom Computer Programming Services).
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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