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Products & Services
About GTB
This profile covers GTB, a company classified under Marketing Consulting Services, based in Michigan, United States and operating in Office service.
Its primary NAICS classification is 541613 (Marketing Consulting Services). GTB is one of 528,309 Industrial & mechanical companies listed in Michigan.
Business Contact Information
- Website
- www.gtb.com
- Address
- Michigan, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 54Professional, Scientific, and Technical Services
- 541Professional, Scientific, and Technical Services
- 5416Management, Scientific, and Technical Consulting Services
- 54161Management Consulting Services
- 541613Marketing Consulting Services
- 5418Advertising, Public Relations, and Related Services
- 54181Advertising Agencies
- 541810Advertising Agencies
- 5415Computer Systems Design and Related Services
- 54151Computer Systems Design and Related Services
- 541519Other Computer Related Services
SIC Codes
- 87Engineering, Accounting, Research, Management, And Related Services
- 874Management And Public Relations Services
- 8742Marketing Consulting Services
- 73Business Services
- 731Advertising
- 7311Advertising Agencies
- 737Computer Programming, Data Processing, And Other Computer Related Services
- 7379Other Computer Related Services
GTB: frequently asked questions
What does GTB do?
This profile covers GTB, a company classified under Marketing Consulting Services, based in Michigan, United States and operating in Office service.
Where is GTB located?
GTB is located in Michigan, United States.
What industry is GTB in?
GTB is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 541613 (Marketing Consulting Services).
How can I contact GTB?
Its website is www.gtb.com.
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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