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401k Sponsoring company profile

J. F. SOBIESKI MECHANICAL CONTRACTORS, INC. has sponsored the creation of one or more 401k plans.

Company Name:J. F. SOBIESKI MECHANICAL CONTRACTORS, INC.
Employer identification number (EIN):510306624
NAIC Classification:238220
NAIC Description:Plumbing, Heating, and Air-Conditioning Contractors

The following addresses have been detected on the 401k submissions:

USA Mailing Address
14 HADCO RD
WILMINGTON
DE
19804
Date first seen: 2007-01-01
Date last seen: 2025-06-30
USA Location Address
14 HADCO RD
WILMINGTON
DE
19804
Date first seen: 2007-01-01
Date last seen: 2025-06-30
USA Mailing Address
14 HADCO ROAD
WILMINGTON
DE
198041014
Date first seen: 2010-10-14
Date last seen: 2018-10-12
USA Mailing Address
1325 OLD COOCH'S BRIDGE ROAD
NEWARK
DE
19713
Date first seen: 2007-01-01
Date last seen: 2025-12-03

Sponsoring Company Events

DateDescription
2021-10-12510306624 Change of name detected from J.F.SOBIESKI MECHANICAL INC to J. F. SOBIESKI MECHANICAL CONTRACTORS, INC.

J. F. SOBIESKI MECHANICAL CONTRACTORS, INC. 401k Plans

Plan id# Plan Name Plan Start Date Plan Effective Date
501J.F.SOBIESKI MECHANICAL INC2014-01-01 2003-01-01
001J. F. SOBIESKI MECHANICAL CONTRACTORS, INC. 401(K) PROFIT SHARING PLAN2015-01-01 1993-01-01
002J. F. SOBIESKI MECHANICAL CONTRACTORS, INC. DAVIS-BACON PENSION PLAN AND TRUST2012-01-01 2002-11-11

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