NAICS 541330Engineering Services
Size Standard
$25.5 million
CMMC Level
Level 2 (most contracts)
Key Agencies
DoD, Army, Navy, Air Force
Overview
Establishments primarily engaged in applying physical laws and principles of engineering in the design, development, and utilization of machines, materials, instruments, structures, processes, and systems. This code covers a wide range of defense engineering disciplines including systems engineering, structural engineering, and test and evaluation support.
Common Contract Types
Contracting Agencies
Frequently Asked Questions
What CMMC level is required for NAICS 541330?
Most DoD engineering services contracts under NAICS 541330 require CMMC Level 2 certification because they involve Controlled Unclassified Information (CUI). Contracts limited to Federal Contract Information (FCI) may only require Level 1.
What is the SBA size standard for NAICS 541330?
The Small Business Administration size standard for NAICS 541330 is $25.5 million in average annual receipts. Companies below this threshold qualify as small businesses for set-aside contracts.
Which agencies award the most contracts under NAICS 541330?
The Department of Defense is the largest buyer, with significant volume from Army, Navy, Air Force, DARPA, and the Missile Defense Agency. NASA, DOE, and DHS also award engineering services contracts under this code.
How does NAICS 541330 differ from 541715?
NAICS 541330 covers applied engineering services (design, testing, consulting), while 541715 covers research and development in physical, engineering, and life sciences. If the primary deliverable is a research finding or prototype, 541715 is more appropriate. If it is engineering design or advisory work, 541330 applies.
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