LLC · Pittsburgh, PA
Keystone Software Systems Llc
LLC in Pittsburgh, Pennsylvania · Document #0015223555 · Not reported
Record reference date: October 6, 2026
Details may be incomplete or outdated. “Not reported” means a usable value is unavailable.
About this record
Keystone Software Systems Llc is a not reported Pennsylvania domestic limited liability company (document 0015223555).
Registration details
- Status
- Not reportedRecord reference date: October 6, 2026
- Entity type
- Domestic Limited Liability Company
- Filed
- Not reported
- Document number
- 0015223555
- Registration jurisdiction
- Pennsylvania
- Principal city + ZIP
- Pittsburgh, PA 15213-1752
- Registered agent
- Not reported
- Address
- 4720 Centre Ave, Pittsburgh, PA, 15213-1752
What this status means / annual report due date
This Pennsylvania record does not supply a usable status. Missing status does not establish that the entity is active or dissolved.
Pennsylvania annual reports are due June 30 for corporations, September 30 for LLCs, and December 31 for other covered entities. The annual requirement began in 2025.
Additional business details
View historical details and available fields
Historical values may differ from the registration summary.
Record reference date: 2026-10-06
Directory details
Names
- Legal
- Keystone Software Systems Llc
Registration
- Number
- 0015223555
Addresses
- Business · Street 1
- 4720 Centre Ave
- Business · City
- Pittsburgh
- Business · Region
- PA
- Business · Postal Code
- 15213-1752
Entity
- Type
- Domestic Limited Liability Company
Geography
- County Name
- Allegheny
- Source County Code
- 2
- Reported Point
- {"longitude":-79.9489,"latitude":40.45284}
Additional reported values
Names and reported roles
- Business Name
- Keystone Software Systems Llc
- County Name
- Allegheny
Other reported details
- Filing Number
- 0015223555
- Type of Business Registration
- Domestic Limited Liability Company
- County Code
- 2
- Georeferenced Latitude & Longitude
- POINT (-79.9489 40.45284)
Addresses and locations
- Address Line 1
- 4720 Centre Ave
- City
- Pittsburgh
- State
- PA
- Zip
- 15213-1752
Download directory record (JSON)
All retained directory fields
Other reported details
- Id
- 18991255
- Slug
- keystone-software-systems-llc-0015223555
- Entity type
- Domestic Limited Liability Company
- Entity class
- llc
- Is foreign
- 0
- Registry
- PA
- Doc number
- 0015223555
- Is active
- 0
- Status known
- 0
- Observed at
- 2026-10-18T19:57:30.898227+00:00
Addresses and locations
- State
- PA
- City slug
- pittsburgh
- Address
- 4720 Centre Ave, Pittsburgh, PA, 15213-1752
- Zip
- 15213-1752
- Location state
- PA
Names and reported roles
- Name
- Keystone Software Systems Llc
- City name
- Pittsburgh
Also in 15213
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|---|---|---|
| AURILAB, LLC | LLC | Nov 16, 2001 |
| SOFTWARE DESIGN & ANALYSIS, INC., Dissolved September 1, 1999 | Corporation | Nov 3, 1982 |
| EMGLO PRODUCTS, L.P., Colorado Authority Terminated December 31, 2002 | Partnership | Jan 16, 1997 |
| FAB UNIVERSAL CORP., Dissolved October 9, 2019 | Corporation | Jul 1, 1998 |
| TIMESYS CORPORATION | Corporation | Sep 12, 2000 |
| MasterBilt Steel Buildings, Inc., Delinquent September 1, 2009 | Corporation | Mar 15, 2005 |
| Carnegie Mellon University, Colorado Authority Relinquished March 28, 2011 | Nonprofit | Feb 22, 2008 |
| Linden Street Partners LLC | LLC | Mar 10, 2013 |
| NoWait, Inc., Delinquent June 1, 2017 | Corporation | Jan 14, 2016 |
| Carnegie Mellon University | Nonprofit | Mar 21, 2017 |