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Products & Services
About Tech 21 Corp
Tech 21 Corp is a company based in Belleville, Michigan, United States, operating in Office service, employing 21-50 people, reporting $0M-$1M in annual revenue and classified under Custom Computer Programming Services.
Its primary NAICS classification is 541511 (Custom Computer Programming Services). Tech 21 Corp is one of 528,309 Industrial & mechanical companies listed in Michigan.
Business Contact Information
- Address
- 18700 Haggerty Rd, Belleville, Michigan, 48111, 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
- 22 (21-50)
- Annual Revenue
- $809,000 ($0M-$1M)
Tech 21 Corp: frequently asked questions
What does Tech 21 Corp do?
Tech 21 Corp is a company based in Belleville, Michigan, United States, operating in Office service, employing 21-50 people, reporting $0M-$1M in annual revenue and classified under Custom Computer Programming Services.
Where is Tech 21 Corp located?
Tech 21 Corp is headquartered at 18700 Haggerty Rd, Belleville, Michigan, 48111, United States.
How many employees does Tech 21 Corp have?
Tech 21 Corp has about 22 employees (the 21-50 range).
What is Tech 21 Corp's annual revenue?
Tech 21 Corp's annual revenue is estimated at $809,000 (the $0M-$1M range).
What industry is Tech 21 Corp in?
Tech 21 Corp is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 541511 (Custom Computer Programming 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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