Vendor, Round Rock, TX
Sihalla Zakaria
UEI FALFSDF7P4J2, CAGE 1SZM2
16 awards and $982,837 obligated between February 6, 2024 and September 23, 2026, 0% under full and open competition, against 1.5 offers on average where reported. 3 of the awards trace back to a SAM.gov solicitation on this site.
Sells to
Awarding agencies by dollars.
| U.S. Geological Survey | $686,892 |
| Department of the Army | $300,945 |
| Environmental Protection Agency | -$5,000 |
Industries
NAICS on the awards, by dollars.
| Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process VariablesNAICS 334513 | $674,787 |
| Other Measuring and Controlling Device ManufacturingNAICS 334519 | $193,050 |
| Electronic and Precision Equipment Repair and MaintenanceNAICS 811210 | $120,000 |
| Other Services (except Public Administration)NAICS 811219 | -$5,000 |
How it wins
Awards by competition, set-aside and type.
| Not Competed Under SAP | 12 |
| Competed Under SAP | 4 |
| Small Business Set Aside - Total | 1 |
| Delivery Order | 10 |
| Purchase Order | 4 |
Hear when Sihalla Zakaria wins an award and when a contract it holds is about to end.Follow it
Contracts ending soon
Contracts Sihalla Zakaria holds whose performance ends in the next 19 months, by published end date. Each one is a recompete to prepare for.
- Ending
- 1
- Obligated so far
- $193,050
- Soonest
- November 11, 2026
The 1 contract, the office behind each one and the dates are in the workspace. See them
Competes with
Vendors selling instruments and related products manufacturing for measuring, displaying, and controlling industrial process variables to U.S. Geological Survey, by dollars.
| Ott Hydromet Corp.Sterling, VA | $21,607,393 |
| Nanometrics Inc.Ottawa | $14,792,206 |
| Ysi Inc.Yellow Springs, OH | $13,267,034 |
| Innovasea Marine Systems Canada Inc.Bedford | $6,387,850 |
| Hach CompanyLoveland, CO | $5,980,686 |
| Teledyne Instruments, Inc.Poway, CA | $5,321,208 |
Solicitations it won
SAM.gov opportunities whose award USAspending attributes to this vendor.
- Repair, Maintenance, and Calibration of Hydrological Equipment
US Geological Survey, Ofc of Acqusition Grants-National
Award noticeSmall businessNAICS 811210Round Rock, TX140G0126Q0055Awarded to Sihalla Zakaria for $700,000
Posted Aug 182 publications - HydroTech ZS Long-Term Deployment Modules and Acce
US Geological Survey, Ofc of Acqusition Grants-National
Award noticeNAICS 334519Anywhere in the US140G0126Q0221Awarded to Sihalla Zakaria for $193,050
Posted Aug 132 publications
Awards
Every award in the window, by dollars obligated.
| Contract | Awarding office | Described as | Obligated |
|---|---|---|---|
| 140G0126P0320Purchase Order, August 13, 2026, Not Competed Under SAP, 1 offersSolicitation | Ofc of Acqusition Grants-NationalU.S. Geological Survey | Hydrotech ZS Long-Term Deployment Modules and Accessories FY26 Req# 15836 Special Order # S26057NAICS 334519, PSC 6630 | $193,050 |
| W912EF25FA020Delivery Order, September 25, 2025, Not Competed Under SAP | US Army Engineer District Walla WalDepartment of the Army | HQ - Sonde Requirements Contract - Do #1NAICS 334513, PSC 6685 | $151,874 |
| 140G0126P0260Purchase Order, August 18, 2026, Competed Under SAP, 3 offersSolicitation | Ofc of Acqusition Grants-NationalU.S. Geological Survey | Time-And-Materials Contract for Hydrological Equipment Repair, Maintenance, and Calibration ServicesNAICS 811210, PSC J066 | $120,000 |
| 140G0125F0199Delivery Order, July 14, 2025, Not Competed Under SAP | Ofc of Acqusition Grants-NationalU.S. Geological Survey | FY25 Req# 15631 Po-Hydrotec-ExternalNAICS 334513, PSC 6695 | $99,998 |
| 140G0124F0395Delivery Order, September 20, 2024, Not Competed Under SAP | Ofc of Acqusition Grants-NationalU.S. Geological Survey | FY24 Req# 15500 Po Hydrotec External Hydrologic Instruments and Equipment Maintenance and Repairs in Accordance with Statement of Work and SNAICS 334513, PSC 6695 | $99,957 |
| W912EF24P0015Purchase Order, April 2, 2024, Not Competed Under SAP, 1 offers | US Army Engineer District Walla WalDepartment of the Army | Hydrotech - Multiparameter SondesNAICS 334513, PSC 6685 | $81,141 |
| 140G0125F0052Delivery Order, January 8, 2025, Not Competed Under SAP | Ofc of Acqusition Grants-NationalU.S. Geological Survey | FY25 Req # 15514 Special Order # S24198NAICS 334513, PSC 6695 | $81,024 |
| 140G0124F0200Delivery Order, May 17, 2024, Not Competed Under SAP | Ofc of Acqusition Grants-NationalU.S. Geological Survey | FY24 Req# 15319 Po Hydrotec ExternalNAICS 334513, PSC 6695 | $75,000 |
| W912EF26FA023Delivery Order, April 20, 2026, Not Competed Under SAP | US Army Engineer District Walla WalDepartment of the Army | Total Dissolved Gas Sondes, Depth Sensors and Accompanying EquipmentNAICS 334513, PSC 6685 | $67,930 |
| 140G0126F0175Delivery Order, June 3, 2026, Not Competed Under SAP | Ofc of Acqusition Grants-NationalU.S. Geological Survey | FY26 Req# 15838 Po-Hydrotech-ExternalNAICS 334513, PSC 6695 | $18,000 |
| 140G0123D0017September 13, 2024, Not Competed Under SAP, 1 offers | Ofc of Acqusition Grants-NationalU.S. Geological Survey | Hydrologic Instruments and Equipment Maintenance and Repairs in Accordance with Statement of Work and Salients Period of Performance: 07/31/NAICS 334513, PSC 6695 | $0 |
| W912EF25DA001September 22, 2025, Not Competed Under SAP, 1 offers | US Army Engineer District Walla WalDepartment of the Army | HQ - Water Quality, Sonde, Tdg, HydrotechNAICS 334513, PSC 6685 | $0 |
| 140G0123F0083Delivery Order, April 5, 2024, Competed Under SAP | Ofc of Acqusition Grants-NationalU.S. Geological Survey | Water Monitoring Equipment and Repairs FY23 Req# 14730 Po Hydrotech Ext RepairNAICS 334513, PSC 6695 | -$5 |
| 140G0122F0209Delivery Order, April 17, 2024, Competed Under SAP | Ofc of Acqusition Grants-NationalU.S. Geological Survey | FY22 Req# 14445 Hydrotech Ext RepairNAICS 334513, PSC 6695 | -$20 |
| 140G0123F0392Delivery Order, September 19, 2024, Not Competed Under SAP | Ofc of Acqusition Grants-NationalU.S. Geological Survey | FY23 Req # 15093 Po Hydrotec Ext RepairNAICS 334513, PSC 6695 | -$114 |
| EP16Z000196Purchase Order, February 6, 2024, Competed Under SAP, 2 offers | Ord Simplified Acq Branch (Sab)Environmental Protection Agency | P00005 - Funding - Annual Repair and Service Maintenance for Government Owned Hach-Hydrolab DS5 Multiparameter Datasondes, Qty 5.NAICS 811219, PSC J066 | -$5,000 |
- Places of performance
- TexasWashington
- Product and service codes
- 6695 Combination and Miscellaneous Instruments6685 Pressure, Temperature, and Humidity Measuring and Controlling Instruments6630 Chemical Analysis InstrumentsJ066 Maintenance, Repair and Rebuilding of Equipment: Instruments and Laboratory Equipment
- Transactions
- 20 across 16 awards