NAICS 621493: Freestanding Ambulatory Surgical and Emergency Centers

Freestanding Ambulatory Surgical and Emergency Centers is NAICS code 621493. A business is small under it with $19 million or less in average annual receipts. No federal contracts are open under this code right now.

SBA size standard
$19 million or less in average annual receipts
Open contracts now
0
Federal spending, FY2025
$13.8 million
Share won by small businesses
80%
Small businesses registered
268

What NAICS 621493 covers

The Census Bureau's NAICS index lists these kinds of work under 621493:

  • Ambulatory surgical centers and clinics, freestanding
  • Emergency medical centers and clinics, freestanding
  • Freestanding ambulatory surgical centers and clinics
  • Freestanding emergency medical centers and clinics
  • Laser surgery centers, freestanding
  • Trauma centers (except hospitals), freestanding
  • Urgent medical care centers and clinics (except hospitals), freestanding

Read the full definition, including what's excluded, on census.gov.

SBA size standard for 621493

To count as a small business for a contract assigned NAICS 621493, your business must have $19 million or less in average annual receipts. Receipts are averaged over your last five completed fiscal years.

From SBA's table of size standards, effective Mar 17, 2023. Confirm it with SBA's size standards tool before you certify your size.

Who buys freestanding ambulatory surgical and emergency centers

Agencies that awarded the most under NAICS 621493 over the last three fiscal years, per USAspending.gov:

AgencyObligated
Department of Veterans Affairs$19.6 million
Indian Health Service$10.4 million
Department of State$895,416
Nuclear Regulatory Commission$309,913
Department of the Army$36,235
Agricultural Research Service$-4,713

Your competition

268 businesses with active SAM.gov registrations are rated small under NAICS 621493, most of them in Texas (35), Florida (33), California (27), Virginia (22) and Georgia (19). Look any of them up with the free CAGE code and UEI lookup.

Federal spending under 621493 by year

Fiscal yearContract obligations
FY2024$11.9 million
FY2025$13.8 million
FY2026$5.4 million
FY2027 (so far)$0

Source: USAspending.gov, all contract awards with this NAICS code. Fiscal years start October 1.

Related NAICS codes

Frequently asked questions

What is NAICS code 621493?

621493 is the 2022 NAICS code for Freestanding Ambulatory Surgical and Emergency Centers. The Census Bureau's index lists work such as ambulatory surgical centers and clinics, freestanding, emergency medical centers and clinics, freestanding, freestanding ambulatory surgical centers and clinics under it. Federal contracting uses the 2022 codes.

What is the SBA size standard for NAICS 621493?

$19 million or less in average annual receipts. A business at or under that is small for contracts assigned this code. The current SBA table took effect Mar 17, 2023.

Are there government contracts for freestanding ambulatory surgical and emergency centers?

None are open on SAM.gov right now, but new notices post daily. You can set up a free alert for this code.

How do I add NAICS code 621493 to my SAM.gov registration?

Update your entity registration on SAM.gov and add the code on the Goods and Services page, in the Assertions section. You can list several NAICS codes and mark one as your primary. Changes are free.

Keep going

FedReady is an independent company, not affiliated with SBA, SAM.gov, the Census Bureau or any government agency. Open-contract counts come from SAM.gov and update daily; spending figures come from USAspending.gov.