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Products & Services
About Keystone
Discover how PennDOT is enhancing passenger rail across Pennsylvania's Keystone Corridor—from Philadelphia to Pittsburgh—through infrastructure upgrades, station improvements, and increased train services.
Its primary NAICS classification is 926120 (Regulation and Administration of Transportation Programs). Keystone is one of 784,164 Industrial & mechanical companies listed in Pennsylvania.
Business Contact Information
- Phone
- +1 (717) 7874523
- Website
- planthekeystone.com
- Address
- PO Box 3151, Harrisburg, Pennsylvania, 17105, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 92Public Administration
- 9261Administration of Economic Programs
- 926120Regulation and Administration of Transportation Programs
SIC Codes
- 96Administration Of Economic Programs
- 962Regulation And Administration Of Transportation
- 9621
Company Details
- Employees
- 9 (6-10)
- Annual Revenue
- $1.6M ($1M-$5M)
Keystone: frequently asked questions
What does Keystone do?
Discover how PennDOT is enhancing passenger rail across Pennsylvania's Keystone Corridor—from Philadelphia to Pittsburgh—through infrastructure upgrades, station improvements, and increased train services.
Where is Keystone located?
Keystone is headquartered at PO Box 3151, Harrisburg, Pennsylvania, 17105, United States.
How many employees does Keystone have?
Keystone has about 9 employees (the 6-10 range).
What is Keystone's annual revenue?
Keystone's annual revenue is estimated at $1.6M (the $1M-$5M range).
What industry is Keystone in?
Keystone is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 926120 (Regulation and Administration of Transportation Programs).
How can I contact Keystone?
Its website is planthekeystone.com and its phone number is +1 (717) 7874523.
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.
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