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About Sei
Sei is listed as a company based in Downers Grove, Illinois, United States, employing 11-20 people, reporting $0M-$1M in annual revenue and classified under Limited-Service Restaurants.
Its primary NAICS classification is 722513 (Limited-Service Restaurants). Sei is one of 1,843,395 companies listed in Illinois.
Business Contact Information
- Phone
- +1 (630) 3246036
- Address
- 5003 Chase Ave, Downers Grove, Illinois, 60515, United States
Industry & Classification
NAICS Codes
- 72Accommodation and Food Services
- 7225Restaurants and Other Eating Places
- 722513Limited-Service Restaurants
SIC Codes
- 58Eating And Drinking Places
- 581Eating And Drinking Places
- 5812Theater Cos. and Dinner Theaters
Company Details
- Employees
- 19 (11-20)
- Annual Revenue
- $597,000 ($0M-$1M)
Sei: frequently asked questions
What does Sei do?
Sei is listed as a company based in Downers Grove, Illinois, United States, employing 11-20 people, reporting $0M-$1M in annual revenue and classified under Limited-Service Restaurants.
Where is Sei located?
Sei is headquartered at 5003 Chase Ave, Downers Grove, Illinois, 60515, United States.
How many employees does Sei have?
Sei has about 19 employees (the 11-20 range).
What is Sei's annual revenue?
Sei's annual revenue is estimated at $597,000 (the $0M-$1M range).
What industry is Sei in?
Sei's primary NAICS code is 722513 (Limited-Service Restaurants).
How can I contact Sei?
Its phone number is +1 (630) 3246036.
Largest companies in Illinois
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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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