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Products & Services
About OBrien
OBrien is listed as a company based in Oconomowoc, Wisconsin, United States, operating in Office service, employing 1-5 people, reporting $0M-$1M in annual revenue and classified under All Other Business Support Services.
Its primary NAICS classification is 561499 (All Other Business Support Services). OBrien is one of 158,556 Industrial & mechanical companies listed in Wisconsin.
Business Contact Information
- Address
- 1860 Executive Dr, Oconomowoc, Wisconsin, 53066, 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
- 3 (1-5)
- Annual Revenue
- $301,000 ($0M-$1M)
OBrien: frequently asked questions
What does OBrien do?
OBrien is listed as a company based in Oconomowoc, Wisconsin, United States, operating in Office service, employing 1-5 people, reporting $0M-$1M in annual revenue and classified under All Other Business Support Services.
Where is OBrien located?
OBrien is headquartered at 1860 Executive Dr, Oconomowoc, Wisconsin, 53066, United States.
How many employees does OBrien have?
OBrien has about 3 employees (the 1-5 range).
What is OBrien's annual revenue?
OBrien's annual revenue is estimated at $301,000 (the $0M-$1M range).
What industry is OBrien in?
OBrien 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 OBrien?
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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