Rees Scientific Corporation
Rees Scientific Corporation (doing business as Rees Scientific Corp) is a small business in Ewing, NJ registered on SAM.gov to bid on federal contracts. It has won about $10.3 million in federal prime contracts since fiscal year 2024, according to USAspending.gov.
- UEI
- NCRKL9YLY2X4
- CAGE code
- 04DK0
- SAM.gov registration
- Active
Registration details
| Legal business name | Rees Scientific Corporation |
|---|---|
| Doing business as | Rees Scientific Corp |
| Unique Entity ID (UEI) | NCRKL9YLY2X4 |
| CAGE code | 04DK0 |
| Location | Ewing, NJ |
| SAM.gov registration | Active through Jul 27, 2027 |
| Business started | 1982 |
| Primary NAICS code | 334290: Other Communications Equipment Manufacturing |
Federal contract history
| Fiscal year | Prime contract obligations |
|---|---|
| FY2023 | $7.1 million |
| FY2024 | $5.1 million |
| FY2025 | $7 million |
| FY2026 | $5.7 million |
| FY2027 (so far) | $699,450 |
Its biggest federal customers over the last four fiscal years: National Institutes of Health ($7.6 million), Defense Health Agency ($6.4 million), Department of the Army ($4.3 million), Department of Veterans Affairs ($3.8 million) and Department of the Navy ($1.1 million).
Recent contract awards
| Awarded | Agency | What it's for | Amount |
|---|---|---|---|
| Sep 22, 2026 | National Institutes of Health | 26-007333 rees scientific environmental monitoring probes, transmitters, and installation | $20,132 |
| Sep 18, 2026 | Federal Acquisition Service | Iaw gsar 538.7102-2(d)(2) (gsa cd rfo-2025-fss-gsar 538) f&r items iaw quote 4500… | $37,756 |
| Sep 17, 2026 | National Oceanic and Atmospheric Administration | Non-personal services for rees centron annual preventative maintenance, base and four… | $23,388 |
| Sep 11, 2026 | National Institutes of Health | Nia: rees freezer monitoring system | $119,713 |
| Sep 4, 2026 | Departmental Offices | Nci rees scientific nci updates | $402,451 |
| Aug 17, 2026 | National Institutes of Health | Nei: supply: additional monitoring node and water sensors: n/a | $95,560 |
Figures are prime contract obligations reported to USAspending.gov. Work done as a subcontractor isn't included.
NAICS codes Rees Scientific Corporation is small under
On its SAM.gov registration, Rees Scientific Corporation meets the SBA size standard for these industries, so it can bid on small business set-asides that use them.
- 334290 Other Communications Equipment Manufacturing
- 333998 All Other Miscellaneous General Purpose Machinery Manufacturing
- 334515 Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals
- 334516 Analytical Laboratory Instrument Manufacturing
- 334519 Other Measuring and Controlling Device Manufacturing
- 339113 Surgical Appliance and Supplies Manufacturing
Open contracts in Rees Scientific Corporation's NAICS codes
178 open federal opportunities on SAM.gov use a NAICS code Rees Scientific Corporation is small under. These are due soonest.
- Fiber Coupled MgOLN Phase Modulator
Due in 2 daysOct 12, 2026
- Linear X-Nanopositioners
Due in 2 daysOct 12, 2026
- LT-SPM
Due in 2 daysOct 12, 2026
- Dilution Refrigerator
✦ Argonne National Laboratory (Department of Energy) wants to buy a dilution refrigerator for its Q-NEXT quantum research center.
Due in 3 daysOct 12, 2026
- Updated High Speed Deluge System
Due in 3 daysOct 13, 2026
Similar small businesses
Other small businesses with the same primary NAICS code (334290) that have won federal contracts, starting with New Jersey:
- Packetstorm Communications, Inc., Norwood, NJ
- J. O'brien Company, Inc., Springfield, NJ
- Digital Prototype Systems, LLC, Ledgewood, NJ
- Alamo-Evergreen JV LLC, Tacoma, WA
- Sintela Inc, Houston, TX
- Dynalec Corporation, Sodus, NY
Frequently asked questions
What is Rees Scientific Corporation's CAGE code?
Rees Scientific Corporation's CAGE code is 04DK0. The Defense Logistics Agency assigns CAGE codes when a business registers on SAM.gov.
What is Rees Scientific Corporation's UEI?
Rees Scientific Corporation's Unique Entity ID (UEI) is NCRKL9YLY2X4. SAM.gov assigns the UEI, and it identifies the business across the federal government.
Is Rees Scientific Corporation's SAM.gov registration active?
Yes, as of the latest SAM.gov public data, Rees Scientific Corporation's registration is active through jul 27, 2027. Registrations are renewed every year.
Is Rees Scientific Corporation a small business?
Rees Scientific Corporation is registered on SAM.gov as small under 6 NAICS codes, including its primary code, 334290. 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
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.