NAICS code 331511: Iron Foundries
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.
- SBA small-business size limit
- 1,000 staff
Open federal bids for 331511
No federal bid under 331511 is open right now. See all 331511 bids.
Is your company small for 331511?
The SBA limit is 1,000 employees average number of employees.
What 331511 covers
Use another code for
- Establishments primarily engaged in manufacturing iron castings and further manufacturing them into finished products are classified based on the specific finished product
Activities listed under 331511
- 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
Show all 27 entries
- 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
Questions
What is NAICS code 331511?
NAICS 331511 is “Iron Foundries”. 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).
What businesses use NAICS code 331511?
Examples from the U.S. Census Bureau: 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; and Castings, unfinished iron (e.g., ductile, gray, malleable, semisteel), manufacturing.
What is not included in NAICS 331511?
Businesses mainly establishments primarily engaged in manufacturing iron castings and further manufacturing them into finished products are classified based on the specific finished product.
What is the SBA size standard for NAICS 331511?
1,000 employees (average over the last 24 months), including affiliates. Source: 13 CFR 121.201, effective March 17, 2023.
What is the SIC code for NAICS 331511?
SIC codes 3321 (Gray and Ductile Iron Foundries) and 3322 (Malleable Iron Foundries), from the U.S. Census Bureau concordances (1987 SIC → 2002 NAICS, carried to 2022 NAICS).
What is the IRS business code for NAICS 331511?
331000 (Primary metal mfg.) on Schedule C, line B, from the IRS list of principal business codes. The IRS code covers NAICS 331110–331529.
How do I find government contracts for NAICS 331511?
Federal agencies put a NAICS code on each solicitation in SAM.gov, and some states and cities use NAICS codes too. Add 331511 to your SAM.gov registration and to your bid alerts; PublicBeam emails new bids for the codes you choose every morning.
Source: U.S. Census Bureau, 2022 NAICS (public domain); bids: SAM.gov Contract Opportunities. PublicBeam is independent and not affiliated with the Census Bureau or any agency. Always check the NAICS code in the official notice before you bid.