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401k Sponsoring company profile

OST INC has sponsored the creation of one or more 401k plans.

Company Name:OST INC
Employer identification number (EIN):522175314
NAIC Classification:541990
NAIC Description:All Other Professional, Scientific, and Technical Services

Additional information about OST INC

Jurisdiction of Incorporation:
Incorporation Date:
Company Identification Number:

More information about OST INC

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

USA Mailing Address
1676 INTERNATIONAL DRIVE 11TH
MC LEAN
VA
221023310
Date first seen: 2012-10-10
Date last seen: 2018-10-09
USA Mailing Address
2101 L STREET NORTHWEST
SUITE 800
WASHINGTON
DC
20037
Date first seen: 2007-01-01
Date last seen: 2023-12-31
USA Mailing Address
2001 M STREET NW
SUITE 3000
WASHINGTON
DC
20036
Date first seen: 2007-01-01
Date last seen: 2023-12-31

Sponsoring Company Events

DateDescription
2023-10-16522175314 Change of name detected from OST to OST INC
2022-10-17522175314 Change of name detected from OST to OST INC

OST INC 401k Plans

Plan id# Plan Name Plan Start Date Plan Effective Date
501OST, INC. EMPLOYEE BENEFITS PLAN2015-08-01 2011-08-01
001OST INC 401(K) PROFIT SHARING PLAN & TRUST2015-01-01 2001-06-01
502OST, INC. LIFE AND DISABILITY PLAN2013-08-01 2011-08-01
503OST, INC. DENTAL PLAN2013-08-01 2011-08-01

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