Keystone Certification
Commercial services · Peoria, Illinois
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Products & Services
About Keystone Certification
Keystone Certification is a company reporting $1M-$5M in annual revenue, classified under Colleges, Universities, and Professional Schools, based in Peoria, Illinois, United States, operating in Office service and employing 6-10 people.
Its primary NAICS classification is 611310 (Colleges, Universities, and Professional Schools). Keystone Certification is one of 508,039 Industrial & mechanical companies listed in Illinois.
Business Contact Information
- Website
- keystonecertification.com
- Address
- 7000 S Adams St, Peoria, Illinois, 61641, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 61Educational Services
- 6113Colleges, Universities, and Professional Schools
- 611310Colleges, Universities, and Professional Schools
SIC Codes
- 82Educational Services
- 822Colleges, Universities, Professional Schools, And
- 8221Junior Colleges
Company Details
- Employees
- 8 (6-10)
- Annual Revenue
- $2.5M ($1M-$5M)
Keystone Certification: frequently asked questions
What does Keystone Certification do?
Keystone Certification is a company reporting $1M-$5M in annual revenue, classified under Colleges, Universities, and Professional Schools, based in Peoria, Illinois, United States, operating in Office service and employing 6-10 people.
Where is Keystone Certification located?
Keystone Certification is headquartered at 7000 S Adams St, Peoria, Illinois, 61641, United States.
How many employees does Keystone Certification have?
Keystone Certification has about 8 employees (the 6-10 range).
What is Keystone Certification's annual revenue?
Keystone Certification's annual revenue is estimated at $2.5M (the $1M-$5M range).
What industry is Keystone Certification in?
Keystone Certification is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 611310 (Colleges, Universities, and Professional Schools).
How can I contact Keystone Certification?
Its website is keystonecertification.com.
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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