Essential First Testing LLC
Commercial services · Glen Ellyn, Illinois
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Products & Services
About Essential First Testing LLC
Essential First Testing LLC is a company operating in Office service, employing 1-5 people, reporting $0M-$1M in annual revenue, classified under Architectural, Engineering, and Related Services and based in Glen Ellyn, Illinois, United States.
Its primary NAICS classification is 541380 (Testing Laboratories and Services). Essential First Testing LLC is one of 508,039 Industrial & mechanical companies listed in Illinois.
Business Contact Information
- Address
- 35 Windemere Dr, Glen Ellyn, Illinois, 60137, 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
- 2 (1-5)
- Annual Revenue
- $305,000 ($0M-$1M)
Essential First Testing LLC: frequently asked questions
What does Essential First Testing LLC do?
Essential First Testing LLC is a company operating in Office service, employing 1-5 people, reporting $0M-$1M in annual revenue, classified under Architectural, Engineering, and Related Services and based in Glen Ellyn, Illinois, United States.
Where is Essential First Testing LLC located?
Essential First Testing LLC is headquartered at 35 Windemere Dr, Glen Ellyn, Illinois, 60137, United States.
How many employees does Essential First Testing LLC have?
Essential First Testing LLC has about 2 employees (the 1-5 range).
What is Essential First Testing LLC's annual revenue?
Essential First Testing LLC's annual revenue is estimated at $305,000 (the $0M-$1M range).
What industry is Essential First Testing LLC in?
Essential First Testing LLC is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 541380 (Testing Laboratories and 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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