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About Keystone
Get 5% off your pizza delivery order - View the menu, hours, address, and photos for Keystone Pizza in Upper Darby, PA. Order online for delivery or pickup on Slicelife.
Its primary NAICS classification is 722513 (Limited-Service Restaurants). Keystone is one of 2,658,130 companies listed in Pennsylvania.
Business Contact Information
- Website
- keystonepizzamenu.com
- Address
- 7421 W Chester Pike, Upper Darby, Pennsylvania, 19082, United States
Industry & Classification
NAICS Codes
- 72Accommodation and Food Services
- 7225Restaurants and Other Eating Places
- 722513Limited-Service Restaurants
SIC Codes
- 58Eating And Drinking Places
- 581Eating And Drinking Places
- 5812Theater Cos. and Dinner Theaters
Company Details
- Employees
- 11 (11-20)
- Annual Revenue
- $1.3M ($1M-$5M)
Keystone: frequently asked questions
What does Keystone do?
Get 5% off your pizza delivery order - View the menu, hours, address, and photos for Keystone Pizza in Upper Darby, PA. Order online for delivery or pickup on Slicelife.
Where is Keystone located?
Keystone is headquartered at 7421 W Chester Pike, Upper Darby, Pennsylvania, 19082, United States.
How many employees does Keystone have?
Keystone has about 11 employees (the 11-20 range).
What is Keystone's annual revenue?
Keystone's annual revenue is estimated at $1.3M (the $1M-$5M range).
What industry is Keystone in?
Keystone's primary NAICS code is 722513 (Limited-Service Restaurants).
How can I contact Keystone?
Its website is keystonepizzamenu.com.
Largest companies in Pennsylvania
Largest companies on Factur
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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