NAICS 333618: Other Engine Equipment Manufacturing — Federal Contracts

What NAICS 333618 covers

The North American Industry Classification System (NAICS) is the standard the federal government uses to classify the industry of every contractor and every procurement. NAICS 333618 identifies businesses primarily engaged in other engine equipment manufacturing. When a contracting officer publishes a solicitation on SAM.gov, they tag it with the NAICS code that best matches the work — which is why getting your NAICS portfolio right inside SAM is the single most important step for showing up in agency searches.

Who buys NAICS 333618?

The federal agencies awarding the most contract value to vendors in this NAICS, based on 12 contractors tracked in the Mindy contractor database:

1. 1Dept Of The Army
2. 2Defense Logistics Agency
3. 3Federal Acquisition Service
4. 4Dept Of The Navy
5. 5U.s. Coast Guard

Source: aggregated from the Mindy contractor database (prime contractor disclosures via SBA + agency directories).

Top contractors in NAICS 333618

The largest prime contractors associated with NAICS 333618, ranked by total reported federal contract value. These are your most likely incumbents — and your most likely teaming partners on recompetes:

1. 1
   Am General LLC

   $1.8B total reported value
2. 2
   Oshkosh Corporation

   $863.3M total reported value
3. 3
   Caterpillar INC.

   $319.3M total reported value
4. 4
   Renk America LLC

   $207.3M total reported value
5. 5
   Cummins INC.

   $131.7M total reported value
6. 6
   Fairbanks Morse LLC

   $58.8M total reported value
7. 7
   Esco Technologies INC.

   $9.9M total reported value
8. 8
   Seal Dynamics LLC

   $5.4M total reported value

Values reflect each contractor's aggregate reported federal contract value (across all of their NAICS codes, not just 333618). Use as a ranking signal, not as a per-NAICS award total.