Reaction Mechanics, Inc.
Reaction Mechanics, Inc. is a small business in North Potomac, MD registered on SAM.gov to bid on federal contracts. It has won about $104,160 in federal prime contracts as a small business since fiscal year 2024, according to USAspending.gov.
- UEI
- XR2DYKLN4667
- CAGE code
- 4A4N6
- 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 | Reaction Mechanics, Inc. |
|---|---|
| Unique Entity ID (UEI) | XR2DYKLN4667 |
| CAGE code | 4A4N6 |
| Location | North Potomac, MD |
| SAM.gov registration | Active through Jun 28, 2027 |
| Business started | 2006 |
| Primary NAICS code | 541990: All Other Professional, Scientific, and Technical Services |
| How to contact | No phone or email in SAM.gov's public file. Search UEI XR2DYKLN4667 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 XR2DYKLN4667 () 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 Reaction Mechanics, Inc. is small under
On its SAM.gov registration, Reaction Mechanics, Inc. meets the SBA size standard for these industries, so it can bid on small business set-asides that use them.
Open contracts in Reaction Mechanics, Inc.'s NAICS codes
254 open federal opportunities on SAM.gov use one of Reaction Mechanics, 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, then those in Maryland, then the soonest due.
- National Guard Bureau (NGB) Centralized Clinical Quality Management (CQM) and Credentialing & Privileging (C&P) Services for the Air National Guard (ANG)
✦ The Department of the Army's National Guard Readiness Center, for the Air National Guard (ANG) Surgeon General's Office, is looking for firms to run centralized clinical quality…
Due in 4 daysNov 11, 2026, 5:00 PM EST
- Artifact Conservation Project Coordinator
Due in 5 daysNov 12, 2026, 2:00 PM EST
- SMART IRB Governance, Administration, and Operations Support (GAOS)
✦ The National Institutes of Health (NIH), through its NIDA contracting office for the National Center for Translational Sciences (NCATS), as the notice names it, wants a partner…
Due in 6 daysNov 13, 2026, 12:00 PM EST
- NIH Scientific & Technical Expertise & Acquisition Management (STEAM)
Due in 8 daysNov 15, 2026, 11:59 PM EST
- FDA Scientific & Regulatory Support Services(SRS)
Due in 16 daysNov 23, 2026, 2:00 PM EST
Similar small businesses
Other small businesses of a similar size with the same primary NAICS code (541990) that have won federal contracts in Maryland:
- North Star Services Group LLC, Loch Lynn Heights, MD
- Veritas Proofing, LLC, Glen Burnie, MD
- Marked Galaxy LLC, Clinton, MD
- Stormcenter Communications, Inc., Baltimore, MD
- Dynamic Service Solutions LLC, Oxon Hill, MD
- Mac Inspection & Welding Agency, LLC, Edgewood, MD
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 Jun 28, 2027. We'll email you 60, 30 and 7 days ahead, and if it lapses.
Frequently asked questions
What is Reaction Mechanics, Inc.'s CAGE code?
Reaction Mechanics, Inc.'s CAGE code is 4A4N6. The Defense Logistics Agency assigns CAGE codes when a business registers on SAM.gov.
What is Reaction Mechanics, Inc.'s UEI?
Reaction Mechanics, Inc.'s Unique Entity ID (UEI) is XR2DYKLN4667. SAM.gov assigns the UEI, and it identifies the business across the federal government.
Is Reaction Mechanics, Inc.'s SAM.gov registration active?
Yes, as of SAM.gov's public data from Nov 1, 2026, Reaction Mechanics, Inc.'s registration is active through Jun 28, 2027. Registrations are renewed every year.
Is Reaction Mechanics, Inc. a small business?
Reaction Mechanics, Inc. is registered on SAM.gov as small under 2 NAICS codes, including its primary code, 541990. 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.