Hydro Service & Supplies, Inc.
Hydro Service & Supplies, Inc. is a small business in Gaithersburg, MD registered on SAM.gov to bid on federal contracts. It has won about $665,535 in federal prime contracts as a small business since fiscal year 2024, according to USAspending.gov.
- UEI
- H6AKFH7QVGE1
- CAGE code
- 76778
- SAM.gov registration
- Active
Federal contract history
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Registration details
Show registration details
From SAM.gov's monthly public file dated Nov 1, 2026. If the business has updated its registration since, SAM.gov shows the newer details.
| Legal business name | Hydro Service & Supplies, Inc. |
|---|---|
| Unique Entity ID (UEI) | H6AKFH7QVGE1 |
| CAGE code | 76778 |
| Location | Gaithersburg, MD |
| SAM.gov registration | Active through Apr 15, 2027 |
| Business started | 1967 |
| Primary NAICS code | 333310: Commercial and Service Industry Machinery Manufacturing |
| Website | hydroservice.com |
| How to contact | Through its website above. No phone or email in SAM.gov's public file. Search UEI H6AKFH7QVGE1 in SBA's Small Business Search for a contact the business added. |
Certifications and business types
No SBA certification (8(a), HUBZone or WOSB) in SAM.gov's public file (Nov 1, 2026).
SBA certifications let a business compete for set-aside contracts (set-asides explained). Check the current record on its SAM.gov entry.
How to check or correct this record
The file sometimes leaves a certification out, and a newer one won't be in it yet.
Check or correct this record at the source: open its SAM.gov entry, or search UEI H6AKFH7QVGE1 () in SAM.gov's entity search (free sign-in) and in SBA's Small Business Search (formerly DSBS), which shows SBA certifications. The business can update its details in its SAM.gov registration and its certifications at certifications.sba.gov.
NAICS codes Hydro Service & Supplies, Inc. is small under
On its SAM.gov registration, Hydro Service & Supplies, Inc. meets the SBA size standard for these industries, so it can bid on small business set-asides that use them.
Open contracts in Hydro Service & Supplies, Inc.'s NAICS codes
23 open federal opportunities on SAM.gov use one of Hydro Service & Supplies, Inc.'s NAICS codes and may be open to it: no set-aside, or, in the codes it is registered small under, a small business set-aside. Here are a few, those in its primary code first (none of these are in Maryland right now), then the soonest due.
- FCI Englewood - Dish Machine - 26Z4AV7
Due in 5 daysNov 12, 2026, 2:00 PM EST
- Periscope, Tube, Out
✦ The Navy (NAVSUP Weapon Systems Support, Mechanicsburg) wants a periscope outer tube, national stock number (NSN) 1240-01-634-0653, a critical safety part for a shipboard system.
Due in 5 daysNov 12, 2026, 2:00 PM ESTThe AI summary flags this date. Check SAM.gov.
- Project Name: Veteran Self-Employment Plan – AI Vending Machines; Project Number: None; and Station Location: Sioux Falls, South Dakota, Veterans Affairs Regional Office (VARO), Veteran Readiness and Employment (VR&E) Division
Due in 5 daysNov 12, 2026, 3:00 PM EST
- Synopsis, Sensor Gimbal GS207, NSN: 5836-01-556-9112
Due in 5 daysNov 12, 2026, 5:00 PM EST
- Periscope Subassemb
✦ The Navy's NAVSUP Weapon Systems Support office (Naval Supply Systems Command, Mechanicsburg) wants a left Training Handle Stuffing Box Assembly, a periscope subassembly, built…
Due in 6 daysNov 13, 2026, 4:30 PM UTC-4
Similar small businesses
Other small businesses of a similar size with the same primary NAICS code (333310) that have won federal contracts in Maryland and nearby states:
- Hydromax, Inc., Emmitsburg, MD
- Justtech LLC, La Plata, MD
- Whitaker Brothers Business Machines, Inc., Rockville, MD
- Night Vision Devices Inc, Whitehall, PA
- Tritek Technologies Inc, Hockessin, DE
- PATRIOT3, Inc., Fredericksburg, VA
Is this your business? Get a reminder before the SAM.gov registration expires
Get a reminder before the SAM.gov registration expires. It's active through Apr 15, 2027. We'll email you 60, 30 and 7 days ahead, and if it lapses.
Frequently asked questions
What is Hydro Service & Supplies, Inc.'s CAGE code?
Hydro Service & Supplies, Inc.'s CAGE code is 76778. The Defense Logistics Agency assigns CAGE codes when a business registers on SAM.gov.
What is Hydro Service & Supplies, Inc.'s UEI?
Hydro Service & Supplies, Inc.'s Unique Entity ID (UEI) is H6AKFH7QVGE1. SAM.gov assigns the UEI, and it identifies the business across the federal government.
Is Hydro Service & Supplies, Inc.'s SAM.gov registration active?
Yes, as of SAM.gov's public data from Nov 1, 2026, Hydro Service & Supplies, Inc.'s registration is active through Apr 15, 2027. Registrations are renewed every year.
Is Hydro Service & Supplies, Inc. a small business?
Hydro Service & Supplies, Inc. is registered on SAM.gov as small under 2 NAICS codes, including its primary code, 333310. Size is set per NAICS code, so a business can be small for some contracts and not others.
Keep going
- Look up another business's CAGE code or UEI
- Check a SAM.gov registration's status
- How to become a government subcontractor
- Hiring subcontractors? List small businesses by state, NAICS code and certification
Registration details come from SAM.gov's public entity extract and contract figures from USAspending.gov. Contact names and street addresses are left out. To change these details, update the registration on SAM.gov. To report a mistake on this page, or to ask us to remove it, email hello@fedready.us with the page address; we reply within 2 business days. For a removal, write from an address at the company.