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Products & Services
About A1st.us
A1st.us is a company employing 21-50 people, reporting $1M-$5M in annual revenue, classified under Human Resources Consulting Services, based in Webster Groves, Missouri, United States and operating in Office service.
Its primary NAICS classification is 541612 (Human Resources Consulting Services). A1st.us is one of 356,656 Industrial & mechanical companies listed in Missouri.
Business Contact Information
- Website
- blockaday.com
- Address
- Webster Groves, Missouri, 63119, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 54Professional, Scientific, and Technical Services
- 5416Management, Scientific, and Technical Consulting Services
- 541612Human Resources Consulting Services
SIC Codes
- 73Business Services
- 736Personnel Supply Services
- 7361
Company Details
- Employees
- 23 (21-50)
- Annual Revenue
- $3.3M ($1M-$5M)
A1st.us: frequently asked questions
What does A1st.us do?
A1st.us is a company employing 21-50 people, reporting $1M-$5M in annual revenue, classified under Human Resources Consulting Services, based in Webster Groves, Missouri, United States and operating in Office service.
Where is A1st.us located?
A1st.us is headquartered in Webster Groves, Missouri, 63119, United States.
How many employees does A1st.us have?
A1st.us has about 23 employees (the 21-50 range).
What is A1st.us's annual revenue?
A1st.us's annual revenue is estimated at $3.3M (the $1M-$5M range).
What industry is A1st.us in?
A1st.us is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 541612 (Human Resources Consulting Services).
How can I contact A1st.us?
Its website is blockaday.com.
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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