Keystone Maintenance
Commercial services · Denver, Pennsylvania
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Products & Services
About Keystone Maintenance
Keystone Maintenance is a company classified under Services to Buildings and Dwellings, based in Denver, Pennsylvania, United States, operating in Office service, employing 11-20 people and reporting $0M-$1M in annual revenue.
Its primary NAICS classification is 561720 (Janitorial Services). Keystone Maintenance is one of 784,164 Industrial & mechanical companies listed in Pennsylvania.
Business Contact Information
- Phone
- +1 (717) 7742086
- Address
- 9 Barnhill Rd, Denver, Pennsylvania, 17517, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 56Administrative and Support and Waste Management and Remediation Services
- 5617Services to Buildings and Dwellings
- 561720Janitorial Services
SIC Codes
- 45Transportation By Air
- 458Airports, Flying Fields, And Airport Terminal
- 4581Other Airport Operations
Company Details
- Employees
- 15 (11-20)
- Annual Revenue
- $498,000 ($0M-$1M)
Keystone Maintenance: frequently asked questions
What does Keystone Maintenance do?
Keystone Maintenance is a company classified under Services to Buildings and Dwellings, based in Denver, Pennsylvania, United States, operating in Office service, employing 11-20 people and reporting $0M-$1M in annual revenue.
Where is Keystone Maintenance located?
Keystone Maintenance is headquartered at 9 Barnhill Rd, Denver, Pennsylvania, 17517, United States.
How many employees does Keystone Maintenance have?
Keystone Maintenance has about 15 employees (the 11-20 range).
What is Keystone Maintenance's annual revenue?
Keystone Maintenance's annual revenue is estimated at $498,000 (the $0M-$1M range).
What industry is Keystone Maintenance in?
Keystone Maintenance is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 561720 (Janitorial Services).
How can I contact Keystone Maintenance?
Its phone number is +1 (717) 7742086.
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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