Ada Williams
Contracting Officer Acquisition Management (GAO Except Comptroller General)
- williamsa2@gao.gov
- Phone
- (202) 512-8447
- Latest SAM.gov record
Contact facts
- Offices
- 10+
- SAM.gov notices
- 3
- Contract awards and IDVs
- 300 268 awards, 32 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 300 listed here. See the rest on GovTribe.
Top vendors
| Rank | Vendor | Awards and IDVs |
|---|---|---|
| 1 | Emcor Government Services, Inc. | 85 |
| 2 | Versar Security Systems, LLC | 18 |
| 3 | Jacobs Engineering Group Inc. | 15 |
| 4 | Soil And Land Use Technology, Inc. | 12 |
| 5 | The Building People LLC | 12 |
| 6 | Serco Services Inc. | 11 |
| 7 | Heritage Reporting Corporation | 10 |
| 8 | Serco Inc. | 8 |
| 9 | Arcadis Inc. | 7 |
| 10 | American Security Programs Inc. | 7 |
Top NAICS codes
| Rank | NAICS code | SAM.gov records |
|---|---|---|
| 1 | 561210 Facilities Support Services | 96 |
| 2 | 541330 Engineering Services | 51 |
| 3 | 561621 Security Systems Services (except Locksmiths) | 23 |
| 4 | 561320 Temporary Help Services | 19 |
| 5 | 236220 Commercial and Institutional Building Construction | 14 |
| 6 | 541611 Administrative Management and General Management Consulting Services | 11 |
| 7 | 561612 Security Guards and Patrol Services | 8 |
| 8 | 611710 Educational Support Services | 8 |
| 9 | 722310 Food Service Contractors | 6 |
| 10 | 334512 Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use | 5 |
Top PSC codes
| Rank | PSC code | SAM.gov records |
|---|---|---|
| 1 | Z1AZ Maintenance Of Other Administrative Facilities And Service Buildings | 130 |
| 2 | R799 Support- Management: Other | 28 |
| 3 | U009 Education/Training- General | 26 |
| 4 | J063 Maint/Repair/Rebuild Of Equipment- Alarm, Signal, And Security Detection Systems | 12 |
| 5 | 8455 Badges And Insignia | 7 |
| 6 | C219 Architect And Engineering- General: Other | 7 |
| 7 | R499 Support- Professional: Other | 7 |
| 8 | Z2AA Repair Or Alteration Of Office Buildings | 7 |
| 9 | S203 Housekeeping- Food | 6 |
| 10 | 7B22 It And Telecom - Compute: Servers (Hardware And Perpetual License Software) | 5 |
Offices
Other records
| Record | Kind |
|---|---|
| ATTACHMENT 3 - RFQ 05GA0A25Q0053 Hotline Reporting Services Q A NEW.pdf | Government file |
| RFQ 05GA0A25Q0053 P0001 GAO OIG Fraud Hotline beta.sam signed.pdf | Government file |
| ATTACHMENT 3 - RFQ 05GA0A25Q0053 Hotline Reporting Services Q A.docx | Government file |
| RFQ 05GA0A25Q0053 GAO OIG Fraud Hotline beta.sam signed.pdf | Government file |
Quick answers
Who is Ada Williams?
Ada Williams is a Contracting Officer at Acquisition Management (GAO Except Comptroller General). Point of contact on 3 SAM.gov notices and contracting staff on 268 contract awards and 32 IDVs, from August 6, 2019 to September 29, 2026.
What agency does Ada Williams work for?
Ada Williams's SAM.gov records name Acquisition Management (GAO Except Comptroller General) most, among 10 offices.
How do I contact Ada Williams?
SAM.gov lists Ada Williams's email williamsa2@gao.gov and phone (202) 512-8447.
What is the latest SAM.gov notice naming Ada Williams?
RFQ 05GA0 05GA0A25Q0053 OIG Hotline Web Based Reporting Services, solicitation, posted August 13, 2025.
Which vendors has Ada Williams awarded contracts to?
The vendors on the most contract awards and IDVs naming Ada Williams are Emcor Government Services, Inc., Versar Security Systems, LLC and Jacobs Engineering Group Inc.
On GovTribe
See Ada Williams's full record
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