First Security LLC
Commercial services · Menomonee Falls, Wisconsin
Find prospects like First Security LLC
Get a list of similar companies, matched by industry, size and location, ready for outreach.
Free sample of 25 companies by email within one business day. No spam: we only use your email for this request.
Products & Services
About First Security LLC
First Security LLC is a company reporting $0M-$1M in annual revenue, classified under Investigation and Security Services, based in Menomonee Falls, Wisconsin, United States, operating in Office service and employing 6-10 people.
Its primary NAICS classification is 561621 (Security Systems Services (except Locksmiths)). First Security LLC is one of 158,556 Industrial & mechanical companies listed in Wisconsin.
Business Contact Information
- Phone
- +1 (262) 3455850
- Website
- firstsecurityllc.net
- Address
- n88w17270 Main St, Menomonee Falls, Wisconsin, 53051, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 56Administrative and Support and Waste Management and Remediation Services
- 5616Investigation and Security Services
- 561621Security Systems Services (except Locksmiths)
SIC Codes
- 73Business Services
- 738Miscellaneous Business Services
- 7382Security Systems Services (Except Locksmiths)
Company Details
- Employees
- 6 (6-10)
- Annual Revenue
- $869,000 ($0M-$1M)
First Security LLC: frequently asked questions
What does First Security LLC do?
First Security LLC is a company reporting $0M-$1M in annual revenue, classified under Investigation and Security Services, based in Menomonee Falls, Wisconsin, United States, operating in Office service and employing 6-10 people.
Where is First Security LLC located?
First Security LLC is headquartered at n88w17270 Main St, Menomonee Falls, Wisconsin, 53051, United States.
How many employees does First Security LLC have?
First Security LLC has about 6 employees (the 6-10 range).
What is First Security LLC's annual revenue?
First Security LLC's annual revenue is estimated at $869,000 (the $0M-$1M range).
What industry is First Security LLC in?
First Security LLC is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 561621 (Security Systems Services (except Locksmiths)).
How can I contact First Security LLC?
Its website is firstsecurityllc.net and its phone number is +1 (262) 3455850.
What companies are similar to First Security LLC?
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.
Own this business?
Keep your profile accurate — or ask us to take it down. We acknowledge requests within 7 days and resolve them within 30 days.
Prefer email? privacy@facturmfg.com
Add this badge to your website — show visitors you're listed on Factur Data.