About
Keystone Building Maintenance is a 115 year old/4th generation commercial cleaning, commercial and residential window washing, company.
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Detailed Information
- Location Typeunknown
- Opening Date1896
- Annual Revenue Estimateunknown
- SIC Code show
- Employees50 to 99
- Contactsshow
- Vice President Paul H. Kates
- Phone 484-354-3376
- Email [email protected]
- Fax 215-545-5147
- President William K
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