621910

Ambulance Services

Health Care and Social Assistance › Ambulatory Health Care Services › Other Ambulatory Health Care Services

SBA Size Standard

$22.5M average annual receipts

Revenue-Based Verify at SBA.gov →

NAICS Code Hierarchy

62

Sector

Health Care and Social Assistance

621

Subsector

Ambulatory Health Care Services

6219

Industry Group

Other Ambulatory Health Care Services

621910

National Industry (This Code)

Ambulance Services

Official NAICS Description

Source: U.S. Census Bureau 2022 NAICS

📘 Source: U.S. Census Bureau — 2022 NAICS Manual
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 emergency but are not restricted to emergencies. The vehicles are equipped with lifesaving equipment operated by medically trained personnel.

✓ Small Business Eligibility at a Glance

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.

Cross-References

The following activities are classified elsewhere in the NAICS system:

Establishments primarily engaged in providing transportation of the disabled or elderly (without medical care) are classified in U.S. Industry 485991, Special Needs Transportation.

How to Use NAICS 621910 in SAM.gov

NAICS code 621910Ambulance 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.

Log in Entity Registration Goods & Services Add NAICS Code Enter 621910 Save

Frequently Asked Questions

What is NAICS code 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

What is the SBA small business size standard for NAICS code 621910?

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.

How do I register NAICS code 621910 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.

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Related NAICS Codes

Other codes in Other Ambulatory Health Care Services

Related PSC Codes

PSC codes commonly used with this NAICS sector

Source: GSA PSC Manual April 2025

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