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Products & Services
About Slack Inc
This profile covers Slack Inc, a company employing 21-50 people, reporting $0M-$1M in annual revenue, classified under All Other Business Support Services, based in Madison, Wisconsin, United States and operating in Office service.
Its primary NAICS classification is 561499 (All Other Business Support Services). Slack Inc is one of 158,556 Industrial & mechanical companies listed in Wisconsin.
Business Contact Information
- Address
- 6400 Gisholt Dr, Madison, Wisconsin, 53713, 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
- 21 (21-50)
- Annual Revenue
- $739,000 ($0M-$1M)
Slack Inc: frequently asked questions
What does Slack Inc do?
This profile covers Slack Inc, a company employing 21-50 people, reporting $0M-$1M in annual revenue, classified under All Other Business Support Services, based in Madison, Wisconsin, United States and operating in Office service.
Where is Slack Inc located?
Slack Inc is headquartered at 6400 Gisholt Dr, Madison, Wisconsin, 53713, United States.
How many employees does Slack Inc have?
Slack Inc has about 21 employees (the 21-50 range).
What is Slack Inc's annual revenue?
Slack Inc's annual revenue is estimated at $739,000 (the $0M-$1M range).
What industry is Slack Inc in?
Slack Inc is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 561499 (All Other Business Support Services).
What companies are similar to Slack Inc?
Other large industrial & mechanical companies in Wisconsin include ManpowerGroup Inc, Medical College Of Wisconsin, Nemschoff and Kohler Co.
Largest industrial & mechanical companies in Wisconsin
Largest industrial & mechanical companies
Manufacturing sales in Wisconsin, 2026
In Wisconsin, Factur's 2026 study counted 30 manufacturing quotes worth $957K and 6 purchase orders over 12 months: 20% of quotes became orders, against 21% nationally. See the Wisconsin data.
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