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Products & Services
About Diligent
Diligent is a company operating in Office service, employing 1-5 people, reporting $0M-$1M in annual revenue, classified under Services to Buildings and Dwellings and based in Milwaukee, Wisconsin, United States.
Its primary NAICS classification is 561720 (Janitorial Services). Diligent is one of 158,556 Industrial & mechanical companies listed in Wisconsin.
Business Contact Information
- Phone
- +1 (414) 5095859
- Address
- 6139 W Appleton Ave, Milwaukee, Wisconsin, 53210, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 56Administrative and Support and Waste Management and Remediation Services
- 5617Services to Buildings and Dwellings
- 561720Janitorial Services
SIC Codes
- 45Transportation By Air
- 458Airports, Flying Fields, And Airport Terminal
- 4581Other Airport Operations
Company Details
- Employees
- 4 (1-5)
- Annual Revenue
- $249,000 ($0M-$1M)
Diligent: frequently asked questions
What does Diligent do?
Diligent is a company operating in Office service, employing 1-5 people, reporting $0M-$1M in annual revenue, classified under Services to Buildings and Dwellings and based in Milwaukee, Wisconsin, United States.
Where is Diligent located?
Diligent is headquartered at 6139 W Appleton Ave, Milwaukee, Wisconsin, 53210, United States.
How many employees does Diligent have?
Diligent has about 4 employees (the 1-5 range).
What is Diligent's annual revenue?
Diligent's annual revenue is estimated at $249,000 (the $0M-$1M range).
What industry is Diligent in?
Diligent is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 561720 (Janitorial Services).
How can I contact Diligent?
Its phone number is +1 (414) 5095859.
What companies are similar to Diligent?
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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