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Products & Services
About Questor Corp
Questor Corp is a company classified under All Other Business Support Services, based in Detroit, Michigan, United States, operating in Office service, employing 21-50 people and reporting $1M-$5M in annual revenue.
Its primary NAICS classification is 561499 (All Other Business Support Services). Questor Corp is one of 528,309 Industrial & mechanical companies listed in Michigan.
Business Contact Information
- Address
- 615 Griswold St, Detroit, Michigan, 48226, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 56Administrative and Support and Waste Management and Remediation Services
- 5614Business Support Services
- 561499All Other Business Support Services
SIC Codes
- 73Business Services
- 738Miscellaneous Business Services
- 7389Convention and Trade Show Organizers
Company Details
- Employees
- 27 (21-50)
- Annual Revenue
- $1.0M ($1M-$5M)
Questor Corp: frequently asked questions
What does Questor Corp do?
Questor Corp is a company classified under All Other Business Support Services, based in Detroit, Michigan, United States, operating in Office service, employing 21-50 people and reporting $1M-$5M in annual revenue.
Where is Questor Corp located?
Questor Corp is headquartered at 615 Griswold St, Detroit, Michigan, 48226, United States.
How many employees does Questor Corp have?
Questor Corp has about 27 employees (the 21-50 range).
What is Questor Corp's annual revenue?
Questor Corp's annual revenue is estimated at $1.0M (the $1M-$5M range).
What industry is Questor Corp in?
Questor Corp is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 561499 (All Other Business Support Services).
Largest companies in Michigan
Largest industrial & mechanical companies
Manufacturing sales in Michigan, 2026
In Michigan, Factur's 2026 study counted 81 manufacturing quotes worth $4.7M and 28 purchase orders over 12 months: 35% of quotes became orders, against 21% nationally. See the Michigan data.
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