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About Heller
This profile covers Heller, a company classified under Architectural Services, based in Philadelphia, Pennsylvania, United States, employing 11-20 people and reporting $1M-$5M in annual revenue.
Its primary NAICS classification is 541310 (Architectural Services). Heller is one of 2,658,130 companies listed in Pennsylvania.
Business Contact Information
- Phone
- +1 (267) 5461000
- Website
- hellergreg.com
- Address
- 1600 Market St, Philadelphia, Pennsylvania, 19103, United States
Industry & Classification
NAICS Codes
- 54Professional, Scientific, and Technical Services
- 5413Architectural, Engineering, and Related Services
- 541310Architectural Services
SIC Codes
- 87Engineering, Accounting, Research, Management, And Related Services
- 871Engineering, Architectural, And Surveying
- 8712Architectural Services
Company Details
- Employees
- 20 (11-20)
- Annual Revenue
- $4.5M ($1M-$5M)
Heller: frequently asked questions
What does Heller do?
This profile covers Heller, a company classified under Architectural Services, based in Philadelphia, Pennsylvania, United States, employing 11-20 people and reporting $1M-$5M in annual revenue.
Where is Heller located?
Heller is headquartered at 1600 Market St, Philadelphia, Pennsylvania, 19103, United States.
How many employees does Heller have?
Heller has about 20 employees (the 11-20 range).
What is Heller's annual revenue?
Heller's annual revenue is estimated at $4.5M (the $1M-$5M range).
What industry is Heller in?
Heller's primary NAICS code is 541310 (Architectural Services).
How can I contact Heller?
Its website is hellergreg.com and its phone number is +1 (267) 5461000.
Largest companies in Pennsylvania
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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.
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