Tax-exempt organization ยท Files a Form 5500
KEYSTONE SERVICE SYSTEMS INC
4391 STURBRIDGE DR, HARRISBURG, PA 17110-3673
EIN
23-1915567
Tax-exempt status
501(c)(3) charitable, religious, educational
IRS · 2026-09
Deductibility
Contributions are deductible
IRS · 2026-09
Foundation classification
Publicly supported charity (170(b)(1)(A)(vi))
IRS · 2026-09
IRS ruling date
1975-08
IRS · 2026-09
NTEE code
P730
IRS · 2026-09
Latest tax period on file
2025-06
IRS · 2026-09
Revenue (latest 990)
$201,690,817
IRS · 2026-09
Assets (latest 990)
$110,969,035
IRS · 2026-09
Benefit plan 503, 2024 filing
KEYSTONE SERVICE SYSTEMS, INC. EMPLOYEE HOSPITAL MAJOR MEDICAL SURGICAL MEDICAL AND DENTAL INSURANCE
DOL · 2026-01-23
Participants (start of year)
1,489
DOL · 2026-01-23
Plan features
code 4A4D4E4Q
DOL · 2026-01-23
Plan type
Single-employer plan
DOL · 2026-01-23
Business code (NAICS)
624100
DOL · 2026-01-23
Benefit plan 503, 2023 filing
KEYSTONE SERVICE SYSTEMS, INC. EMPLOYEE HOSPITAL MAJOR MEDICAL SURGICAL MEDICAL AND DENTAL INSURANCE
DOL · 2025-01-22