Active
Small Business
Overview
- Legal name
- SIHALLA ZAKARIA
- Also known as
- HYDROTECH ZS CONSULTING
- Registered location
- ROUND ROCK, TX, USA
- Website
- Company website ↗
- Primary NAICS
- 334513 — Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables
- Latest award activity
- Aug 18, 2026
Read company summary
SIHALLA ZAKARIA is associated with UEI FALFSDF7P4J2 and CAGE 1SZM2 in public federal records. AcornBids currently links 8 prime awards totaling $831.8K in obligations to this entity. Its largest recorded federal customer by obligations is Department of the Interior. Its recorded federal awards include work classified as Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables; Other Measuring and Controlling Device Manufacturing; Electronic and Precision Equipment Repair and Maintenance. These categories describe the loaded award records, not a complete list of company capabilities. Its primary SAM.gov NAICS is 334513 (Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables). Its public SAM.gov registration lists ROUND ROCK, TX, USA.
At a glance
Lifetime prime obligations$831.8K
Prime awards8
Awards with future end dates2
Top-agency concentration73.6%
Prime contract obligations across loaded award records. Obligations are not revenue or contract ceilings. Summary updated Oct 11, 2026. Refresh pending; these totals may be out of date.
Business information
Public SAM.gov registration details.
- Legal name
- SIHALLA ZAKARIA
- Doing business as
- HYDROTECH ZS CONSULTING
- UEI
- FALFSDF7P4J2
- CAGE
- 1SZM2
- Registered address
- 1700 BRYANT DR, ROUND ROCK, TX, 78664, USA
- Registration status
- Active
- Primary NAICS
- 334513 — Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables
- SAM activation
- Jul 20, 2026
- Initial registration
- Mar 8, 2002
- Entity start
- Jan 1, 1998
- SAM updated
- Jul 20, 2026
- Registration expires
- Jul 20, 2027
- Fiscal year end
- Dec 31
- Place of incorporation
- TX, USA
Research brief
Source facts
- Loaded prime-award records link 8 awards and $831,835 in reported obligations to this legal entity. Source
- Recorded awards include Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables (NAICS 334513); this classification is not proof of every company capability. Source
- An example award describes: TIME-AND-MATERIALS CONTRACT FOR HYDROLOGICAL EQUIPMENT REPAIR, MAINTENANCE, AND CALIBRATION SERVICES Source
Federal award analysis
Net transaction obligations by federal fiscal period.
Selected transaction obligations$731.8K
Prime contracts
Reported transaction obligations by federal fiscal period; includes deobligations. Missing transactions are not estimated. Coverage: 8 of 8 selected awards. Select a period to explore its awards.
Funding change
Dated, valued transaction obligations in equal-length adjacent periods; missing records are unknown. Default: last completed federal fiscal year. Percentage is unavailable when the prior period has no positive reported obligations.
| Measure | Reported value |
|---|---|
| Current period | Oct 1, 2025 – Sep 30, 2026 |
| Current obligations | $398.9K |
| Prior period | Oct 1, 2024 – Sep 30, 2025 |
| Prior obligations | $332.9K |
| Change | $66.0K |
| Growth | +19.8% |
Where the work is performed
AKMEVTNHWAIDMTNDMNWIMINYMAORNVWYSDIAILINOHPANJCTRICAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFL
State tile map; darker tiles have larger absolute net obligations. Outlined tiles indicate net deobligations. Unshaded tiles have no reported transactions in this selection. Other locations appear in the table.
Agencies
| Category | Period obligations | Awards |
|---|---|---|
| Department of the Interior | $512.0K | 6 |
| Department of Defense | $219.8K | 2 |
Offices
| Category | Period obligations | Awards |
|---|---|---|
| OFC OF ACQUSITION GRANTS-NATIONAL | $512.0K | 6 |
| US ARMY ENGINEER DISTRICT WALLA WAL | $219.8K | 2 |
Naics
Psc
| Category | Period obligations | Awards |
|---|---|---|
| 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments | $219.8K | 2 |
| 6695 — Combination and Miscellaneous Instruments | $199.0K | 4 |
| 6630 — Chemical Analysis Instruments | $193.1K | 1 |
| J066 — Maintenance, Repair and Rebuilding of Equipment: Instruments and Laboratory Equipment | $120.0K | 1 |
Vehicles
| Category | Period obligations | Awards |
|---|---|---|
| Unclassified | $313.1K | 2 |
| W912EF25DA001 | $219.8K | 2 |
| 140G0123D0017 | $199.0K | 4 |
Set Asides
| Category | Period obligations | Awards |
|---|---|---|
| Unclassified | $418.8K | 6 |
| NO SET ASIDE USED. | $193.1K | 1 |
| SMALL BUSINESS SET ASIDE - TOTAL | $120.0K | 1 |
Recent federal awards
Prime contract awards. Select an award to review its history and source evidence.
| Award / description | Awarding agency | Obligations | Start date | End date |
|---|---|---|---|---|
| 140G0126P0260TIME-AND-MATERIALS CONTRACT FOR HYDROLOGICAL EQUIPMENT REPAIR, MAINTENANCE, AND CALIBRATION SERVICES | Department of the Interior | $120.0K | Aug 18, 2026 | Aug 18, 2027 |
| 140G0126P0320HYDROTECH ZS LONG-TERM DEPLOYMENT MODULES AND ACCESSORIES FY26 REQ# 15836 SPECIAL ORDER # S26057 | Department of the Interior | $193.1K | Aug 13, 2026 | Nov 11, 2026 |
| 140G0126F0175FY26 REQ# 15838 PO-HYDROTECH-EXTERNAL | Department of the Interior | $18.0K | Jun 3, 2026 | Jul 30, 2026 |
| W912EF26FA023TOTAL DISSOLVED GAS SONDES, DEPTH SENSORS AND ACCOMPANYING EQUIPMENT | Department of Defense | $67.9K | Apr 24, 2026 | Jun 27, 2026 |
| 140G0124F0395FY24 REQ# 15500 PO HYDROTEC EXTERNAL HYDROLOGIC INSTRUMENTS AND EQUIPMENT MAINTENANCE AND REPAIRS IN ACCORDANCE WITH STATEMENT OF WORK AND SALIENTS | Department of the Interior | $100.0K | Sep 20, 2024 | Sep 19, 2025 |
| W912EF25FA020HQ - SONDE REQUIREMENTS CONTRACT - DO #1 | Department of Defense | $151.9K | Sep 24, 2025 | Sep 23, 2026 |
| 140G0125F0199FY25 REQ# 15631 PO-HYDROTEC-EXTERNAL | Department of the Interior | $100.0K | Jul 14, 2025 | Jul 13, 2026 |
| 140G0125F0052FY25 REQ # 15514 SPECIAL ORDER # S24198 | Department of the Interior | $81.0K | Jan 8, 2025 | Feb 17, 2025 |
Upcoming positioning windows
Modeled recompete windows are estimates, not announced solicitations or guarantees.
Registration, certifications & contacts
| Registration evidence | Date |
|---|---|
| SAM updated | Jul 20, 2026 |
| Source loaded | Sep 26, 2026 |
| Initial registration | Mar 8, 2002 |
| Entity start | Jan 1, 1998 |
Registration classifications: Small Business. These are separate from the reported certificates above.
| Industry | Reported size status |
|---|---|
| 334513 — Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables | Not reported |
| 334519 — Other Measuring and Controlling Device Manufacturing | Not reported |
| Contact | Role | Published contact methods | Evidence | Source date |
|---|---|---|---|---|
| ZAK SIHALLA | Government business | Contact method not published | SAM registration | Not available |
| ZAKARIA SIHALLA | Electronic business | Contact method not published | SAM registration | Not available |
Registered industries
- 334513 — Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables
- 334519 — Other Measuring and Controlling Device Manufacturing
Registered products and services
- H252 — Equipment and Materials Testing: Measuring Tool
Registration classifications and published certificates do not by themselves establish eligibility for a particular solicitation. View SAM source
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Data coverage and methodology
Sources: SAM.gov registration, USAspending awards and transactions, and linked supporting records. Prime contract obligations, IDV ceilings and assistance amounts are kept separate. Missing records are not zero activity. Company claims are labeled separately. Recompete signals are rule-based scores out of 100. Positioning windows are AcornBids estimates.
Disclosed relationships only. Missing records do not establish that a contractor has no partners. Ambiguous parent award identifiers are excluded.
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