NAICS 33612033 - Manufacturing

336120Heavy Duty Truck Manufacturing

Researched by the BidStride Research Team

This industry comprises establishments primarily engaged in (1) manufacturing heavy duty truck chassis and assembling complete heavy duty trucks, buses, heavy duty motor homes, and other special purpose heavy duty motor vehicles for highway use or (2) manufacturing heavy duty truck chassis only.

Federal contracts under NAICS 336120 appear across multiple procurement vehicles including SAM.gov open market solicitations, GSA Schedule task orders, and agency-specific IDIQ contracts. Contractors registered in this NAICS code should maintain an active SAM.gov registration and ensure their capabilities statement reflects specific experience within this industry classification.

Typical contract types in this NAICS include Firm Fixed Price (FFP) for well-defined deliverables, Time and Materials (T&M) for services with variable scope, and Cost-Plus for research and development programs. The typical contract range of reflects the majority of awards, though individual contracts may fall outside this range depending on scope and agency requirements.

Top Federal Agencies

    Typical Contract Details

    Contract Range
    Common Set-Asides
    Contract Types
    FFP, T&M, Cost-Plus (program dependent)

    Common Compliance Requirements

    Contracts under NAICS 336120 frequently reference these FAR and DFARS clauses. Review them before submitting a proposal.

    Always verify applicable clauses in the actual solicitation. Clause applicability depends on contract type, value, and agency requirements.

    Frequently Asked Questions

    • How do I register NAICS 336120 on SAM.gov?

      To register NAICS 336120 (Heavy Duty Truck Manufacturing) on SAM.gov, log in to your entity registration at SAM.gov, navigate to the NAICS codes section of your registration, and add 336120 to your list of applicable codes. You can add multiple NAICS codes that reflect your business capabilities. After updating, your registration must be renewed annually to remain active.

    • What set-asides are available for Heavy Duty Truck Manufacturing?

      Common set-aside programs for NAICS 336120 contracts include: . The availability of specific set-asides depends on the individual solicitation and the contracting officer's market research findings. Small business set-asides require certification through SAM.gov, while 8(a), HUBZone, WOSB, and SDVOSB programs require additional SBA certifications.

    • How many Heavy Duty Truck Manufacturing contracts are posted per month?

      NAICS 336120 (Heavy Duty Truck Manufacturing) contracts are posted regularly on SAM.gov, with volume varying by fiscal quarter. Federal procurement peaks in Q4 (July–September) as agencies exhaust year-end budgets. Typical contract sizes in this code range . The top federal buyers include .

    • What size standard applies to NAICS 336120?

      The SBA size standard for NAICS 336120 (Heavy Duty Truck Manufacturing) is set by the SBA and determines whether a firm qualifies as a small business for set-aside competition. Size standards are expressed as either annual average receipts or number of employees depending on the industry. Check the current SBA size standards table at sba.gov/size-standards or SAM.gov for the specific threshold applicable to your bid.

    Track Heavy Duty Truck Manufacturing opportunities automatically

    BidStride monitors SAM.gov and 50+ other sources daily and sends you matching NAICS 336120 contracts before 7 AM every morning. Start free — no credit card needed.

    Free plan: 5 alerts/month. Scout: unlimited. No commitment.

    Related NAICS Codes in This Sector