Keystone Service Systems
UEI: NMAYDVATNC18
• CAGE: 4ZC41
Overview
Parent Awardee
Name
Keystone Service Systems
Headquarters
Harrisburg, PA
United States
United States
Most Recent Award
July 1, 2025
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Federal grant recipient
KEYSTONE SERVICE SYSTEMS, INC.
(UEI NMAYDVATNC18, CAGE 4ZC41)
is headquartered in Harrisburg PA.
Its primary registered NAICS is 624120 Services for the Elderly and Persons with Disabilities.
The tax-exempt corporation
was founded in August 1972 and
federally registered in
September 2023.
Federal Award Analysis
Keystone Service Systems federal award history
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Contracts
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Subcontracts
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Grants
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Subgrants
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Total
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Federal Registration and Certifications
Legal Name
KEYSTONE SERVICE SYSTEMS, INC.
UEI
NMAYDVATNC18
CAGE Code
4ZC41
SBA Certifications
None
Self Certifications
None
Entity Structure
Corporate Entity (Tax Exempt)
Purpose of Registration
Federal Contracts and Assistance
Date Founded
Aug. 1, 1972
Initial Registration
Sept. 14, 2023
Last Registration
April 4, 2025
Registration Activation
Sept. 4, 2024
Registration Expiration
Sept. 3, 2025
Fiscal Year End
June 30
Reported Entity Types
Non-Profit Organization
State of Incorporation
PA
Country of Incorporation
USA
Employees
>1500
Accepts Credit Cards
Yes
People
Vendor contacts at Keystone Service Systems
Grant Awards
Keystone Service Systems direct grants
Subgrant Awards
Keystone Service Systems subgrant awards
State and Local Awards
Keystone Service Systems state and local contract awards
Teaming Partners
Disclosed awardee sub and prime contract and grant relationships
Keystone Service Systems