Employer Identification Number 52-1868008
GSE SYSTEMS, INC. is a USA domiciled entity or foreign entity operating in the USA. The EIN ihas been issued by the IRS
| Company Name: | GSE SYSTEMS, INC. |
| Employer identification number (EIN): | 52-1868008 |
| EIN Issuing Authority | Brookhaven, NY |
| NAIC Classification: | 541519 |
| NAIC Description: | Other Computer Related Services |
| 401k Pension/Benefits registration | GSE SYSTEMS, INC. 401k plan information |
Organization Addresses
The following addresses have been detected as associated with Tax Indentification Number 521868008
| USA Mailing Address | | 1332 LONDONTOWN BLVD., SUITE 200 | |
| SYKESVILLE | |
| MD | |
| 21784 | |
| Date first seen: 2007-01-01 | |
| Date last seen: 2025-08-31 | |
|
| USA Mailing Address | | 6940 COLUMBIA GATEWAY DRIVE | |
| SUITE 470 | |
| COLUMBIA | |
| MD | |
| 21046 | |
| Date first seen: 2007-07-01 | |
| Date last seen: 2026-03-10 | |
|
| USA Mailing Address | | 6940 COLUMBIA GATEWAY DRIVE | |
| STE 470 | |
| COLUMBIA | |
| MD | |
| 210462788 | |
| Date first seen: 2025-07-30 | |
| Date last seen: 2026-02-25 | |
|
| USA Mailing Address | | 7067 COLUMBIA GATEWAY DR, SUITE 100 | |
| COLUMBIA | |
| MD | |
| 21046 | |
| Date first seen: 2007-07-01 | |
| Date last seen: 2026-02-24 | |
|
| USA Mailing Address | | 7067 COLUMBIA GATEWAY DRIVE | |
| STE 100 | |
| COLUMBIA | |
| MD | |
| 210462788 | |
| Date first seen: 2025-11-19 | |
| Date last seen: 2026-01-08 | |
|
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The following companies are located in the same ZIP code areas:
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