William J Oconner
Commercial services · Belleville, Wisconsin
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Products & Services
About William J Oconner
This profile covers William J Oconner, a company reporting $0M-$1M in annual revenue, classified under Offices of Lawyers, based in Belleville, Wisconsin, United States, operating in Office service and employing 11-20 people.
Its primary NAICS classification is 541110 (Offices of Lawyers). William J Oconner is one of 158,556 Industrial & mechanical companies listed in Wisconsin.
Business Contact Information
- Address
- n8210 Hwy D, Belleville, Wisconsin, 53508, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 54Professional, Scientific, and Technical Services
- 5411Legal Services
- 541110Offices of Lawyers
SIC Codes
- 81Legal Services
- 811Legal Services
- 8111Offices of Lawyers
Company Details
- Employees
- 19 (11-20)
- Annual Revenue
- $614,000 ($0M-$1M)
William J Oconner: frequently asked questions
What does William J Oconner do?
This profile covers William J Oconner, a company reporting $0M-$1M in annual revenue, classified under Offices of Lawyers, based in Belleville, Wisconsin, United States, operating in Office service and employing 11-20 people.
Where is William J Oconner located?
William J Oconner is headquartered at n8210 Hwy D, Belleville, Wisconsin, 53508, United States.
How many employees does William J Oconner have?
William J Oconner has about 19 employees (the 11-20 range).
What is William J Oconner's annual revenue?
William J Oconner's annual revenue is estimated at $614,000 (the $0M-$1M range).
What industry is William J Oconner in?
William J Oconner is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 541110 (Offices of Lawyers).
What companies are similar to William J Oconner?
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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