Robert Siewert
GySgt Marine Corps (Navy)
- robert.siewert@usmc.mil
- Phone
- (315) 645-3974
- Latest SAM.gov record
Contact facts
- Offices
- 3
- SAM.gov notices
- 7
- Contract awards and IDVs
- 289 280 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 289 listed here. See the rest on GovTribe.
Top vendors
| Rank | Vendor | Awards and IDVs |
|---|---|---|
| 1 | American Engineering Corporation | 22 |
| 2 | Takaesu Kohki Co., LTD. | 14 |
| 3 | Duskin Okinawa, Co., LTD. | 10 |
| 4 | Kanemitsu Reisho Co., LTD. | 9 |
| 5 | Pierce Manufacturing Inc. | 8 |
| 6 | Okinawa Fuso Jidosha Co.,Ltd. | 8 |
| 7 | Nichibei United Corporation | 7 |
| 8 | Kankyo Seibi Co.,Ltd. | 7 |
| 9 | Gotemba Eiseisha, CO. LTD. | 6 |
| 10 | Toranomon Corp. | 6 |
Top NAICS codes
| Rank | NAICS code | SAM.gov records |
|---|---|---|
| 1 | 238220 Plumbing, Heating, and Air-Conditioning Contractors | 30 |
| 2 | 336390 Other Motor Vehicle Parts Manufacturing | 25 |
| 3 | 532490 Other Commercial and Industrial Machinery and Equipment Rental and Leasing | 13 |
| 4 | 811111 General Automotive Repair | 10 |
| 5 | 812332 Industrial Launderers | 10 |
| 6 | 561720 Janitorial Services | 9 |
| 7 | 811310 Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance | 8 |
| 8 | 336110 Automobile and Light Duty Motor Vehicle Manufacturing | 7 |
| 9 | 711130 Musical Groups and Artists | 7 |
| 10 | 238210 Electrical Contractors and Other Wiring Installation Contractors | 6 |
Top PSC codes
| Rank | PSC code | SAM.gov records |
|---|---|---|
| 1 | 5340 Hardware, Commercial | 34 |
| 2 | 2590 Miscellaneous Vehicular Components | 32 |
| 3 | W085 Lease Or Rental Of Equipment- Toiletries | 14 |
| 4 | W099 Lease Or Rental Of Equipment- Miscellaneous | 13 |
| 5 | S209 Housekeeping- Laundry/Drycleaning | 11 |
| 6 | J023 Maint/Repair/Rebuild Of Equipment- Ground Effect Vehicles, Motor Vehicles, Trailers, And Cycles | 9 |
| 7 | R499 Support- Professional: Other | 9 |
| 8 | 7E20 IT and Telecom - End User: Help Desk;Tier 1-2,Workspace,Print,Output,Productivity Tools (HW/Perp SW) | 5 |
| 9 | J025 Maint/Repair/Rebuild Of Equipment- Vehicular Equipment Components | 5 |
| 10 | N099 Installation Of Equipment- Miscellaneous | 5 |
Offices
| Rank | Office | SAM.gov records |
|---|---|---|
| 1 | Marine Corps (Navy) | 282 |
| 2 | Department of the Navy | 13 |
| 3 | Office of the Secretary of Defense | 1 |
Quick answers
Who is Robert Siewert?
Robert Siewert is a GySgt at Marine Corps (Department of the Navy). Point of contact on 7 SAM.gov notices and contracting staff on 280 contract awards and 9 IDVs, from April 1, 2019 to August 10, 2026.
What agency does Robert Siewert work for?
Robert Siewert's SAM.gov records name Marine Corps (Department of the Navy) most, among 3 offices.
How do I contact Robert Siewert?
SAM.gov lists Robert Siewert's email robert.siewert@usmc.mil and phone (315) 645-3974.
What is the latest SAM.gov notice naming Robert Siewert?
Conference Facility and Audiovisual Support Services, pre-solicitation, posted August 10, 2026.
Which vendors has Robert Siewert awarded contracts to?
The vendors on the most contract awards and IDVs naming Robert Siewert are American Engineering Corporation, Takaesu Kohki Co., LTD. and Duskin Okinawa, Co., LTD.
On GovTribe
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