Health Care and Social Assistance › Ambulatory Health Care Services › Other Ambulatory Health Care Services
Sector
Health Care and Social Assistance
Subsector
Ambulatory Health Care Services
Industry Group
Other Ambulatory Health Care Services
National Industry (This Code)
Ambulance Services
Source: U.S. Census Bureau 2022 NAICS
Based on SBA Table of Small Business Size Standards (2024)
Size Standard
$22.5M average annual receipts
Measurement Period
3-year average
Standard Type
Revenue-Based
Applies To
All contracts under NAICS 621910
Set-Aside Programs
8(a), WOSB, HUBZone, SDVOSB
Certification Required
No (self-certify in SAM.gov)
Size standards are set by the SBA and reviewed periodically. Always verify at SBA.gov before bidding.
The following activities are classified elsewhere in the NAICS system:
NAICS code 621910 — Ambulance Services — is used in SAM.gov to identify businesses whose primary activity falls within this classification. When you add this code to your SAM.gov entity registration, contracting officers searching for vendors in the Other Ambulatory Health Care Services space will be able to find your business.
If this code represents your primary business activity, designate it as your primary NAICS code. Your primary NAICS code determines your size standard for any contract solicited under this code. With a size standard of $22.5M average annual receipts, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 621910.
NAICS code 621910 is 'Ambulance Services', classified under the Health Care and Social Assistance sector (NAICS 62). This industry comprises establishments primarily engaged in providing transportation of patients by ground or air, along with medical care. These services are often provided during a medical emergenc
The SBA defines a small business under NAICS code 621910 (Ambulance Services) as one with $22.5M average annual receipts. This size standard determines eligibility for small business set-aside contracts, 8(a), HUBZone, WOSB, and SDVOSB programs in SAM.gov.
To register NAICS code 621910 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 621910 (Ambulance Services) to your NAICS code list. You may designate one code as your Primary NAICS code.
Other codes in Other Ambulatory Health Care Services
PSC codes commonly used with this NAICS sector
Source: GSA PSC Manual April 2025
GovBidLab Pro
GovBidLab's Federal Sales Roadmap includes a complete NAICS and PSC code strategy tailored to your business.
Get Your Free ConsultationNo commitment required • Response within 24 hours
Search all 1,012 NAICS codes with SBA size standards and descriptions
Browse by sector: