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Products & Services
About Simploy Inc
Simploy is a St. Louis PEO handling HR, payroll, benefits and workers' comp for small businesses across Missouri. A local team, trusted since 2004. This profile covers Simploy Inc, a company classified under Employment Services, operating in Office service, employing 2,001-5,000 people and reporting $250M-$500M in annual revenue.
Its primary NAICS classification is 561330 (Professional Employer Organizations). Simploy Inc is one of 356,656 Industrial & mechanical companies listed in Missouri.
Business Contact Information
- Phone
- +1 (314) 5441700
- Fax
- +XXX (314) 5441760
- Website
- simployonline.com
- Address
- 13023 Tesson Ferry Rd, St. Louis, Missouri, 63128, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 56Administrative and Support and Waste Management and Remediation Services
- 5613Employment Services
- 561330Professional Employer Organizations
SIC Codes
- 73Business Services
- 736Personnel Supply Services
- 7363Professional Employer Organizations
Company Details
- Employees
- 2,601 (2,001-5,000)
- Annual Revenue
- $499.6M ($250M-$500M)
Simploy Inc: frequently asked questions
What does Simploy Inc do?
Simploy is a St. Louis PEO handling HR, payroll, benefits and workers' comp for small businesses across Missouri. A local team, trusted since 2004.
Where is Simploy Inc located?
Simploy Inc is headquartered at 13023 Tesson Ferry Rd, St. Louis, Missouri, 63128, United States.
How many employees does Simploy Inc have?
Simploy Inc has about 2,601 employees (the 2,001-5,000 range).
What is Simploy Inc's annual revenue?
Simploy Inc's annual revenue is estimated at $499.6M (the $250M-$500M range).
What industry is Simploy Inc in?
Simploy Inc is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 561330 (Professional Employer Organizations).
How can I contact Simploy Inc?
Its website is simployonline.com and its phone number is +1 (314) 5441700.
Largest companies in Missouri
Largest industrial & mechanical companies
Manufacturing sales in Missouri, 2026
In Missouri, Factur's 2026 study counted 29 manufacturing quotes worth $962K and 9 purchase orders over 12 months: 31% of quotes became orders, against 21% nationally. See the Missouri data.
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