Isaac Rosier
- isaac.rosier@dot.gov
- Phone
- (202) 744-3479
- Latest SAM.gov record
Contact facts
- SAM.gov notices
- 1
- Contract awards and IDVs
- 514 505 awards, 9 IDVs, as contracting staff
- First SAM.gov record
Notices come from SAM.gov and awards from FPDS, which names the staff who created, approved or last changed an award without saying which.
SAM.gov notices
Contract awards and IDVs
Show 15 more
Latest 25 of 514 listed here. See the rest on GovTribe.
Top vendors
| Rank | Vendor | Awards and IDVs |
|---|---|---|
| 1 | Ensco Inc. | 73 |
| 2 | Transportation Technology Center, Inc. | 47 |
| 3 | Sharma & Associates Inc. | 33 |
| 4 | Booz Allen Hamilton Inc. | 21 |
| 5 | Transystems Corporation | 13 |
| 6 | University Of Illinois | 13 |
| 7 | Absg Consulting Inc. | 9 |
| 8 | T. White Parker Associates, Incorporated | 9 |
| 9 | American University | 8 |
| 10 | Michigan Technological University | 8 |
Top NAICS codes
| Rank | NAICS code | SAM.gov records |
|---|---|---|
| 1 | 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | 111 |
| 2 | 541330 Engineering Services | 69 |
| 3 | 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology) | 58 |
| 4 | 541611 Administrative Management and General Management Consulting Services | 53 |
| 5 | 541990 All Other Professional, Scientific, and Technical Services | 44 |
| 6 | 541519 Other Computer Related Services | 23 |
| 7 | 611430 Professional and Management Development Training | 20 |
| 8 | 488210 Support Activities for Rail Transportation | 11 |
| 9 | 541720 Research and Development in the Social Sciences and Humanities | 11 |
| 10 | 541511 Custom Computer Programming Services | 9 |
Top PSC codes
| Rank | PSC code | SAM.gov records |
|---|---|---|
| 1 | AS32 Transportation R&D Services; Water Transportation; Applied Research | 123 |
| 2 | R425 Support- Professional: Engineering/Technical | 41 |
| 3 | AS11 Transportation R&D Services; Surface Transportation, Public Transit, And Rail; Basic Research | 39 |
| 4 | C118 Research And Development Facilities | 34 |
| 5 | AS31 Transportation R&D Services; Water Transportation; Basic Research | 31 |
| 6 | B599 Special Studies/Analysis- Other | 27 |
| 7 | U009 Education/Training- General | 13 |
| 8 | R408 Support- Professional: Program Management/Support | 9 |
| 9 | AJ12 General Science And Technology R&D Services; General Science And Technology; Applied Research | 8 |
| 10 | R499 Support- Professional: Other | 8 |
Other records
| Record | Kind |
|---|---|
| Notice of Intent to Sole Source_FR26RDI20000000070.pdf | Government file |
Quick answers
Who is Isaac Rosier?
Isaac Rosier is a federal contracting contact at Federal Railroad Administration (Department of Transportation). Point of contact on 1 SAM.gov notice and contracting staff on 505 contract awards and 9 IDVs, from September 4, 2007 to September 30, 2026.
How do I contact Isaac Rosier?
SAM.gov lists Isaac Rosier's email isaac.rosier@dot.gov and phone (202) 744-3479.
What is the latest SAM.gov notice naming Isaac Rosier?
Development of a Computation Fluid Dynamics Model to Quantify Explosion Hazards in Li-ion Battery Powered Rail Vehicles, special notice, posted September 14, 2026.
Which vendors has Isaac Rosier awarded contracts to?
The vendors on the most contract awards and IDVs naming Isaac Rosier are Ensco Inc., Transportation Technology Center, Inc. and Sharma & Associates Inc.
On GovTribe
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