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    54171 - Research and Development in the Physical, Engineering, and Life Sciences

    In today's innovation-driven economy, research and development (R&D) serve as the backbone for technological progress and scientific breakthroughs. NAICS Code 54171, titled Research and Development in the Physical, Engineering, and Life Sciences, is a crucial classification that encompasses organizations fueling innovation in sectors like biotechnology, environmental sciences, and engineering. Whether you're a business owner, government contractor, or researcher, understanding this NAICS code is essential for navigating contracts, funding opportunities, and market positioning.

    What is NAICS Code 54171?

    NAICS Code 54171 refers to establishments primarily engaged in conducting research and experimental development in:

    • Physical sciences (e.g., physics, chemistry)
    • Engineering disciplines (e.g., civil, mechanical, electrical engineering)
    • Life sciences (e.g., biotechnology, pharmaceuticals, environmental biology)

    This code includes activities spanning basic research, applied research, and experimental development aimed at discovering new knowledge, creating innovative products, or improving existing technologies.

    Sector Overview

    • Sector: Professional, Scientific, and Technical Services (NAICS Sector 54)
    • NAICS 54171 falls under the broader category of R&D services but specifically focuses on natural sciences and engineering arenas.
    • Typical organizations in this sector conduct activities that require specialized scientific knowledge and technical expertise.

    Typical Businesses and Activities under NAICS 54171

    Businesses classified under NAICS 54171 include, but are not limited to:

    • Biotechnology research firms: Conducting genetic research, developing biopharmaceuticals, or innovating biomedical devices.
    • Environmental consulting laboratories: Performing environmental impact studies, pollution control research, and ecological modeling.
    • Engineering research and development services: Creating prototypes, testing new materials, or advancing mechanical/electrical systems.

    Size Standards for NAICS 54171 Eligibility

    Understanding size standards is essential for small business certification and eligibility for government contracts:

    • The SBA’s size standard for NAICS code 54171 is typically $30 million average annual receipts.
    • Businesses with revenue below this threshold may qualify as small businesses under SBA guidelines, making them eligible for specific small-business set-asides and contracting preferences.

    NAICS Code 54171 Details Table

    Attribute Description
    NAICS Code 54171
    Title Research and Development in the Physical, Engineering, and Life Sciences
    Sector Professional, Scientific, and Technical Services
    Description Establishments primarily engaged in conducting R&D in physical, engineering, and life sciences, including biotech, environmental, and engineering research
    Typical Businesses Biotechnology R&D firms, Environmental consulting labs, Engineering R&D services
    Size Standard (SBA) $30 million average annual receipts
    Activities Included Basic research, applied research, experimental development

    FAQs About NAICS Code 54171

    What kinds of projects fall under NAICS Code 54171?

    Projects that involve scientific inquiry, new technology development, and experimentation in physical sciences, life sciences, or engineering disciplines qualify under this code. Examples include drug development, environmental assessments, and engineering prototype testing.

    How does NAICS Code 54171 differ from other R&D codes?

    NAICS 54171 specifically covers research in physical, engineering, and life sciences, whereas other R&D codes may focus on social sciences, computer systems, or other technical domains.

    Can small businesses apply for government contracts under NAICS 54171?

    Yes, small businesses with average annual receipts under $30 million can qualify for small business contracts and set-asides under this NAICS code.

    Are environmental consulting firms included in NAICS 54171?

    Yes, environmental consulting laboratories engaged in scientific R&D are part of this classification.


    Understanding NAICS Code 54171 is vital for businesses and professionals involved in research and experimental development in science and engineering fields. Accurate classification opens doors to targeted government contracts, grants, and collaborations that drive innovation forward.

    Optimize your contracting and market strategies by aligning your business with NAICS 54171—your gateway to opportunities in cutting-edge research and development.