Garratt-Callahan Company
Garratt-Callahan Company (doing business as Garratt Callahan Co) is a small business in Burlingame, CA registered on SAM.gov to bid on federal contracts. It has won about $1 million in federal prime contracts since fiscal year 2024, according to USAspending.gov.
- UEI
- SA6AP4DNLGG6
- CAGE code
- 56733
- SAM.gov registration
- Active
Registration details
| Legal business name | Garratt-Callahan Company |
|---|---|
| Doing business as | Garratt Callahan Co |
| Unique Entity ID (UEI) | SA6AP4DNLGG6 |
| CAGE code | 56733 |
| Location | Burlingame, CA |
| SAM.gov registration | Active through Sep 10, 2027 |
| Business started | 1904 |
| Primary NAICS code | 325998: All Other Miscellaneous Chemical Product and Preparation Manufacturing |
| Website | www.garrattcallahan.com |
Federal contract history
| Fiscal year | Prime contract obligations |
|---|---|
| FY2023 | $1.7 million |
| FY2024 | $1.3 million |
| FY2025 | $1 million |
| FY2026 | $954,577 |
Its biggest federal customers over the last four fiscal years: Department of Veterans Affairs ($4.1 million), Department of the Army ($390,959), Federal Prison System / Bureau of Prisons ($248,598), Centers for Disease Control and Prevention ($206,213) and Department of the Air Force ($130,828).
Recent contract awards
| Awarded | Agency | What it's for | Amount |
|---|---|---|---|
| May 19, 2026 | Department of the Army | Industrial water treatment plant chemicals - (perlite or diatomite, anti foam, hydrated… | $41,399 |
| May 14, 2026 | National Oceanic and Atmospheric Administration | Water treatment and testing services for the noaa drc cooling tower. | $3,920 |
| Jan 20, 2026 | Federal Prison System / Bureau of Prisons | Garratt callahan | $80,000 |
| Dec 15, 2025 | Department of Veterans Affairs | Emergency waste water testing | $18,288 |
| Dec 5, 2025 | Federal Prison System / Bureau of Prisons | P1 monthly chemical for water treatment fy 26 october 1, 2025 thru september 30, 2026 | $20,790 |
| Nov 6, 2025 | Department of the Army | Iwtp chemicals - perlite and antifoam | $25,822 |
Figures are prime contract obligations reported to USAspending.gov. Work done as a subcontractor isn't included.
NAICS codes Garratt-Callahan Company is small under
On its SAM.gov registration, Garratt-Callahan Company meets the SBA size standard for these industries, so it can bid on small business set-asides that use them.
Open contracts in Garratt-Callahan Company's NAICS codes
55 open federal opportunities on SAM.gov use a NAICS code Garratt-Callahan Company is small under. These are due soonest.
- NSN: 6695016730476 Part Number: D-4368-100 Nomenclature: TRANSDUCER,MOTIONAL PICKUP WSDC: VIRGINIA CLASS SUBMARINE
Due in 3 daysOct 13, 2026
- Force Plate
Due in 3 daysOct 13, 2026
- GENERATOR,TIME CODE
✦ NAVSUP Weapon Systems Support has posted a solicitation for a time code generator (a timing device, PSC 6645).
Due in 3 daysOct 13, 2026
- CONTACTOR,MAGNETIC
Due in 4 daysOct 14, 2026
- PROTRACTOR,ONE ARM
Due in 4 daysOct 14, 2026
Similar small businesses
Other small businesses with the same primary NAICS code (325998) that have won federal contracts, starting with California:
- Carbon Activated Corporation, Compton, CA
- Trilink Biotechnologies, LLC, San Diego, CA
- MP Biomedicals LLC, Irvine, CA
- Cina Consulting, LLC, Palo Alto, CA
- Perimeter Solutions LP, Clayton, MO
- Asrc Federal Facilities Logistics LLC, Beltsville, MD
Frequently asked questions
What is Garratt-Callahan Company's CAGE code?
Garratt-Callahan Company's CAGE code is 56733. The Defense Logistics Agency assigns CAGE codes when a business registers on SAM.gov.
What is Garratt-Callahan Company's UEI?
Garratt-Callahan Company's Unique Entity ID (UEI) is SA6AP4DNLGG6. SAM.gov assigns the UEI, and it identifies the business across the federal government.
Is Garratt-Callahan Company's SAM.gov registration active?
Yes, as of the latest SAM.gov public data, Garratt-Callahan Company's registration is active through sep 10, 2027. Registrations are renewed every year.
Is Garratt-Callahan Company a small business?
Garratt-Callahan Company is registered on SAM.gov as small under 5 NAICS codes, including its primary code, 325998. 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
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- How to become a government subcontractor
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 ask us to remove this page, email hello@fedready.us.