Iron Foundries — NAICS 331511
Browse federal contract opportunities classified under NAICS code 331511 (Iron Foundries). Find active solicitations on SAM.gov, understand size standards, and discover set-aside opportunities for your business.
About NAICS 331511
Iron Foundries. This industry falls under the Manufacturing sector (NAICS codes beginning with 33).
Federal agencies use NAICS code 331511 when posting contract opportunities on SAM.gov to classify the type of work being solicited. Businesses that operate in the iron foundries space should include this code in their SAM.gov registration and capability statements to ensure they appear in relevant searches.
How to Use NAICS 331511 in Federal Contracting
To compete for federal contracts under NAICS 331511, your business should be registered in SAM.gov with this NAICS code listed in your entity profile. When agencies post solicitations for iron foundries work, they reference this code to determine the applicable small business size standard and any set-aside eligibility.
If you hold certifications such as 8(a), HUBZone, SDVOSB, or WOSB, you may be eligible for set-aside contracts under this NAICS code. These set-asides limit competition to certified small businesses, giving you a significant advantage in winning federal work.
FedOverwatch monitors SAM.gov daily and can automatically match you with new opportunities under NAICS 331511. Set up your profile with your NAICS codes and certifications to receive personalized contract alerts.
NAICS 331511 Market Intelligence
Based on 3 years of federal award data from USAspending.gov, the iron foundries market has seen 33 contract awards totaling $1.3M in value. The median contract size is $11K, with approximately 1 new awards per month.
Total Awards (3yr)
33
Total Value
$1.3M
Median Contract
$11K
Competitors
19
Contract value distribution
25 small business awards ($1.2M total value,$10K median)
19 companies compete for NAICS 331511 contracts
See who's winning, their award values, and where you fit in the market
Explore CompetitorsSize Standards
The SBA establishes size standards for each NAICS code to define what qualifies as a "small business" for federal contracting purposes. For NAICS 331511 (Iron Foundries), the size standard is based on either average annual receipts or number of employees, depending on the specific industry. Meeting the size standard for your primary NAICS code is required to qualify for small business set-aside contracts.
Visit the SBA Size Standards Table to find the current threshold for NAICS 331511.
Recent NAICS 331511 Opportunities
View all →The Defense Logistics Agency is procuring 47 coupling half, quick connectors for military logistics and equipment maintenance operations, requiring durable, standardized components compatible with existing hydraulic and pneumatic systems.
Frequently Asked Questions
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Set up your profile with your NAICS codes and certifications, and FedOverwatch will automatically match you with relevant iron foundries opportunities as they're posted on SAM.gov.