54138 - Testing Laboratories and Services
When it comes to ensuring quality, safety, and compliance across industries, NAICS Code 54138 - Testing Laboratories and Services plays a pivotal role. This code represents businesses that provide essential analytical and diagnostic testing services critical for healthcare, manufacturing, environmental monitoring, and more. Whether you're a government contractor, industry professional, or business owner, understanding NAICS 54138 can open doors to strategic opportunities.
What is NAICS Code 54138?
NAICS Code 54138 covers establishments primarily engaged in performing analytical or diagnostic testing services. These services include physical, chemical, and biological testing aimed at supporting various economic sectors by verifying the attributes, quality, or safety of products, materials, and environments.
Sector: Professional, Scientific, and Technical Services
This industry classification falls under the broader sector of Professional, Scientific, and Technical Services, which encompasses firms that provide specialized expertise and services based on knowledge and technical skills.
Typical Business Activities
Businesses classified under NAICS 54138 typically offer:
- Medical testing laboratories – conducting clinical diagnostics, pathology, and health-related analyses.
- Environmental testing services – assessing air, water, soil quality and monitoring pollutants.
- Materials and product testing laboratories – evaluating physical and chemical properties of construction materials, electronics, and consumer goods.
Size Standards for NAICS 54138
For government contracting and eligibility purposes, the Small Business Administration (SBA) generally defines size standards for NAICS 54138 as:
- Maximum employee size: 500 employees
Note: Size standards may vary depending on the specific contract and agency requirements. It's important to verify current standards through the SBA Size Standards Tool or official websites.
Examples of Businesses Classified under NAICS 54138
- Quest Diagnostics Incorporated – Clinical laboratory testing services.
- Eurofins Scientific – Environmental and product testing.
- SGS North America – Material testing, inspection, and certification services.
NAICS Code 54138 Details Table
| Attribute | Description |
|---|---|
| NAICS Code | 54138 |
| Title | Testing Laboratories and Services |
| Sector | Professional, Scientific, and Technical Services |
| Industry Description | Establishments providing analytical or diagnostic testing services including physical, chemical, and biological testing. |
| Typical Business Types | Medical testing labs, environmental testing services, materials and product testing labs |
| Size Standard | Up to 500 employees (may vary by agency) |
| Applications | Healthcare diagnostics, environmental monitoring, manufacturing quality control, safety compliance |
FAQs About NAICS Code 54138
1. What types of testing services are covered under NAICS 54138?
NAICS 54138 includes physical, chemical, and biological testing services such as clinical diagnostics, environmental pollutant analysis, and materials quality testing.
2. How is NAICS 54138 different from other testing-related codes?
This code focuses on establishments primarily engaged in testing services rather than manufacturing or research and development.
3. Can small businesses qualify under this NAICS code for government contracts?
Yes, generally small businesses with up to 500 employees can qualify under this code, but always check specific SBA or agency guidelines.
4. What sectors rely on the services provided by businesses under NAICS 54138?
Healthcare, manufacturing, environmental agencies, and regulatory bodies widely rely on these testing services.
5. Where can I verify the current size standards for NAICS 54138?
Visit the Small Business Administration (SBA) Size Standards website for updated details.
In summary, NAICS Code 54138 is central to industries that demand rigorous testing and analytical services to ensure product integrity, environmental safety, and public health. Whether you’re looking to enter government contracting or improve your business strategy, mastering the nuances of this NAICS code is a strategic advantage.
