NAICS 333415: Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing — Federal Contracts

What NAICS 333415 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 333415 identifies businesses primarily engaged in air-conditioning and warm air heating equipment and commercial and industrial refrigeration 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 333415?

The federal agencies awarding the most contract value to vendors in this NAICS, based on 6 contractors tracked in the Mindy contractor database:

1. 1Defense Logistics Agency
2. 2Defense Advanced Research Projects Agency (DARPA)
3. 3Defense Information Systems Agency (DISA)
4. 4Defense Microelectronics Activity (Dmea)
5. 5Departmental Offices

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

Top contractors in NAICS 333415

The largest prime contractors associated with NAICS 333415, ranked by total reported federal contract value. These are your most likely incumbents — and your most likely teaming partners on recompetes:

1. 1
   Northrop Grumman Systems Corporation

   $8.4B total reported value
2. 2
   Johnson Controls INC.

   $34.4M total reported value
3. 3
   Johnson Controls Navy Systems LLC

   $32.6M total reported value
4. 4
   Hdt Expeditionary Systems INC

   $19.0M total reported value
5. 5
   Engineered Coil Company

   $4.7M total reported value
6. 6
   Howden American Fan Company

   $1.8M total reported value

Values reflect each contractor's aggregate reported federal contract value (across all of their NAICS codes, not just 333415). Use as a ranking signal, not as a per-NAICS award total.