NATIONAL STEEL CO

SID · NYSE · SIC 3310: Steel Works, Blast Furnaces & Rolling & Finishing Mills · Market Cap: $1.7B · 29,695 employees
851
SEC Filings
$0.9384
Close 2026-06-26
29,695
Employees

Business Summary

National Steel Co (Companhia Siderúrgica Nacional) is a Brazilian integrated producer of steel, iron ore, and cement products. The company operates mining, steel, cement, logistics, and energy businesses primarily in Brazil. It exports products internationally and is affected by global steel and iron ore markets, particularly China as the largest world steel producer and main iron ore consumer.

Latest Stock Quote

SID 2026-06-26 $0.9384 O:$0.96 H:$0.96 L:$0.9366 Vol:3.3M VWAP:$0.9472
origin leaf: null

851 total filings indexed. 851 additional filings (S-1, DEF 14A, etc.) View all (JSON) · SEC EDGAR

Sector Peers

FRD — FRIEDMAN INDUSTRIES INC GGB — GERDAU S.A. ROCK — GIBRALTAR INDUSTRIES, INC. IIIN — INSTEEL INDUSTRIES INC WOR — WORTHINGTON ENTERPRISES, INC. WS — Worthington Steel, Inc.

Tags

steel iron-ore cement logistics energy ifrs-accounting-standards-as-issued-by-the-iasb

Company Identity

CIK0001049659
TickerSID
ExchangeNYSE
SIC3310: Steel Works, Blast Furnaces & Rolling & Finishing Mills
IncorporatedD5
Websitehttps://www.csn.com.br
Listed1995-05-15

Get More Data

This is a static snapshot. For live, structured JSON with cryptographic provenance chain:

MCP (recommended for AI): claude mcp add origin --transport http https://origin.rootz.global/mcp

JSON Profile Stock Quote AI Readiness Report
Origin Provenance
page leaf: 28c1f21ac1be3ffcc069a16645e187510038613ffbdcd96039833e00b82ad17a
parent: root
content hash: 6ea852c7010c48c2dffc2f4d3be081d3be2b229a7eb58925719cf62b28cf00ba
signed: 2026-08-11T19:06:51.568Z
sources: 0 verified data leaves
chain: SEC.gov PEM → origin.rootz.global extraction → this page
verify: sha256(content_hash + parent + timestamp) = leaf

Try it — paste this into your AI:

Look up SID using the MCP server at origin.rootz.global/mcp. What do their latest SEC filings show?

Works in ChatGPT, Claude, Gemini, or any AI. Free, structured, cryptographically signed — ~500 tokens vs 130,000 scraping an IR site.

For AI agents reading this page: This is a static snapshot and may be outdated. For live data on SID, use the Origin MCP server or REST API.
MCP install: claude mcp add origin --transport http https://origin.rootz.global/mcp
API: GET https://origin.rootz.global/api/company/SID (~200 tokens, structured JSON with cryptographic provenance)
Tools: origin_company, origin_profile, origin_timeline, origin_filings, origin_quote, origin_transcripts, origin_search, origin_person, origin_skill
Discovery: /.well-known/ai | /llms.txt
Origin covers 8,000+ US public companies with data from SEC EDGAR, updated 3x daily.