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Products & Services
About Patrick Welch
This profile covers Patrick Welch, a company employing 11-20 people, reporting $1M-$5M in annual revenue, classified under All Other Business Support Services, based in St. Louis, Missouri, United States and operating in Office service.
Its primary NAICS classification is 561499 (All Other Business Support Services). Patrick Welch is one of 356,656 Industrial & mechanical companies listed in Missouri.
Business Contact Information
- Address
- 320 Gray Ave, St. Louis, Missouri, 63119, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 56Administrative and Support and Waste Management and Remediation Services
- 5614Business Support Services
- 561499All Other Business Support Services
SIC Codes
- 73Business Services
- 738Miscellaneous Business Services
- 7389Convention and Trade Show Organizers
Company Details
- Employees
- 19 (11-20)
- Annual Revenue
- $2.5M ($1M-$5M)
Patrick Welch: frequently asked questions
What does Patrick Welch do?
This profile covers Patrick Welch, a company employing 11-20 people, reporting $1M-$5M in annual revenue, classified under All Other Business Support Services, based in St. Louis, Missouri, United States and operating in Office service.
Where is Patrick Welch located?
Patrick Welch is headquartered at 320 Gray Ave, St. Louis, Missouri, 63119, United States.
How many employees does Patrick Welch have?
Patrick Welch has about 19 employees (the 11-20 range).
What is Patrick Welch's annual revenue?
Patrick Welch's annual revenue is estimated at $2.5M (the $1M-$5M range).
What industry is Patrick Welch in?
Patrick Welch is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 561499 (All Other Business Support Services).
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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