Catherine Siu
Commercial services · Philadelphia, Pennsylvania
Find prospects like Catherine Siu
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 Catherine Siu
Catherine Siu is listed as a company classified under Offices of Lawyers, based in Philadelphia, Pennsylvania, United States, operating in Office service, employing 6-10 people and reporting $1M-$5M in annual revenue.
Its primary NAICS classification is 541110 (Offices of Lawyers). Catherine Siu is one of 784,164 Industrial & mechanical companies listed in Pennsylvania.
Business Contact Information
- Phone
- +1 (215) 6273901
- Fax
- +XXX (215) 5740699
- Website
- catherinesiu.com
- Address
- 100 S Broad St, Philadelphia, Pennsylvania, 19110, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 54Professional, Scientific, and Technical Services
- 5411Legal Services
- 541110Offices of Lawyers
SIC Codes
- 81Legal Services
- 811Legal Services
- 8111Offices of Lawyers
Company Details
- Employees
- 7 (6-10)
- Annual Revenue
- $1.2M ($1M-$5M)
Catherine Siu: frequently asked questions
What does Catherine Siu do?
Catherine Siu is listed as a company classified under Offices of Lawyers, based in Philadelphia, Pennsylvania, United States, operating in Office service, employing 6-10 people and reporting $1M-$5M in annual revenue.
Where is Catherine Siu located?
Catherine Siu is headquartered at 100 S Broad St, Philadelphia, Pennsylvania, 19110, United States.
How many employees does Catherine Siu have?
Catherine Siu has about 7 employees (the 6-10 range).
What is Catherine Siu's annual revenue?
Catherine Siu's annual revenue is estimated at $1.2M (the $1M-$5M range).
What industry is Catherine Siu in?
Catherine Siu is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 541110 (Offices of Lawyers).
How can I contact Catherine Siu?
Its website is catherinesiu.com and its phone number is +1 (215) 6273901.
Largest companies in Pennsylvania
Largest industrial & mechanical companies
Manufacturing sales in Pennsylvania, 2026
In Pennsylvania, Factur's 2026 study counted 44 manufacturing quotes worth $1.6M and 10 purchase orders over 12 months: 23% of quotes became orders, against 21% nationally. See the Pennsylvania 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.