NAICS 331511: Iron Foundries
National industry
SBA small business size standard: 1,000 employees
Code facts
- Part of
-
-
31-33
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331
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3315
- 33151
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3315
-
331
-
31-33
- Contract awards
- 6 In the last 12 months
- Contract obligations
- $161,608 In FY2025
NAICS codes and definitions come from the U.S. Census Bureau, size standards from the SBA and contract spending from SAM.gov/FPDS.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $0 |
| FY2026 | $304,239 |
| FY2025 | $161,608 |
| FY2024 | $313,874 |
| FY2023 | $793,837 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Transaero, Inc. | $183,443 | |
| 2 | Olympic Foundry Inc. | $109,148 | |
| 3 | Chand, L.L.C. | $15,101 | |
| 4 | Fournier Rubber & Supply Co | $2,590 | |
| 5 | Chase Supply, Inc. | $1,399 | |
| 6 | Transdigm Inc. | $1,253 |
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Defense Logistics Agency | $193,692 | |
| 2 | Department of Commerce | $109,148 | |
| 3 | Department of the Navy | $1,399 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings | $195,092 | |
| 2 | 2040 Marine Hardware and Hull Items | $109,148 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Louisiana | $15,101 | |
| 2 | Ohio | $2,590 | |
| 3 | Virginia | $1,399 | |
| 4 | California | $1,253 |
Shares are of everything obligated under NAICS 331511 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Contract opportunities
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Definition
This U.S. industry comprises establishments primarily engaged in pouring molten pig iron or iron alloys into molds to manufacture castings (e.g., cast iron manhole covers, cast iron pipe, cast iron skillets). Establishments in this industry purchase iron made in other establishments.
Illustrative examples
- Cast iron brake shoes, railroad, manufacturing
- Cast iron pipe and pipe fittings manufacturing
- Cast iron railroad car wheels manufacturing
- Castings, compacted graphite iron, unfinished, manufacturing
- Castings, malleable iron, unfinished, manufacturing
- Castings, unfinished iron (e.g., ductile, gray, malleable, semisteel), manufacturing
- Cooking utensils, cast iron, manufacturing
- Ductile iron castings, unfinished, manufacturing
- Ductile iron foundries
- Fittings, soil and pressure pipe, cast iron, manufacturing
- Foundries, iron (i.e., ductile, gray, malleable, semisteel)
- Gray iron foundries
- Industrial molds, steel ingot, manufacturing
- Iron castings, unfinished, manufacturing
- Iron foundries
- Malleable iron foundries
- Manhole covers, cast iron, manufacturing
- Molds for casting steel ingots manufacturing
- Molds, steel ingot, industrial, manufacturing
- Pearlitic castings, malleable iron, unfinished, manufacturing
- Pipe and pipe fittings, cast iron, manufacturing
- Pipe couplings, cast iron, manufacturing
- Rolling mill rolls, iron, manufacturing
- Semisteel foundries
- Sewer pipe, cast iron, manufacturing
- Soil pipe, cast iron, manufacturing
- Water pipe, cast iron, manufacturing
Show all 27
Quick answers
What is NAICS 331511?
NAICS 331511 is Iron Foundries, a national industry in NAICS 31-33, Manufacturing.
What is the NAICS code for iron foundries?
The NAICS code for iron foundries is 331511, Iron Foundries.
What is the NAICS code for gray iron foundries?
The NAICS code for gray iron foundries is 331511, Iron Foundries.
What is the NAICS code for semisteel foundries?
The NAICS code for semisteel foundries is 331511, Iron Foundries.
How much do federal agencies spend under NAICS 331511?
Federal contracts under NAICS 331511 obligated $161,608 in fiscal year 2025 and $1,573,558 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 331511?
The contractors with the most obligated under NAICS 331511 in fiscal years 2026 and 2027 are Transaero, Inc. ($183,443); Olympic Foundry Inc. ($109,148); and Chand, L.L.C. ($15,101).
Which agencies buy the most under NAICS 331511?
The agencies that obligated the most under NAICS 331511 in fiscal years 2026 and 2027 are Defense Logistics Agency ($193,692), Department of Commerce ($109,148) and Department of the Navy ($1,399).
Which PSC codes are used with NAICS 331511?
The PSC codes with the most obligated under NAICS 331511 in fiscal years 2026 and 2027 are 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings and 2040 Marine Hardware and Hull Items.
Where is the work under NAICS 331511 performed?
By place of performance, the states with the most contract obligations under NAICS 331511 over the last 12 months are Louisiana ($15,101), Ohio ($2,590) and Virginia ($1,399).
What is the latest contract opportunity under NAICS 331511?
The latest contract opportunity under NAICS 331511 is Coupling half, quick DI, solicitation from Land and Maritime (DLA), posted September 10, 2026.
On GovTribe
See everything under NAICS 331511
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