California Steel Industries, Inc. (CSI)

Energy & Industrials 📍 Fontana, United States 👥 201-500 employees 📅 Founded 1984

California Steel Industries, Inc. (CSI) is the leading producer of flat rolled steel in the Western United States, producing the widest range of flat rolled steel products in the region. We are the only West Coast steel supplier capable of producing over 2 million tons of steel representing five different product lines

🌐 Website in LinkedIn ← All Companies

📊 Company Overview

Sector

Energy & Industrials

Country

United States

Employees

201-500

Est. Revenue

$1.2B

Founded

1984

Cloud

Unknown

Email

Microsoft 365

☁️ Cloud Infrastructure

🔒 Subscribers only Cloud Provider

Workspace	Microsoft 365
CDN	🔒 Subscribers only

Detected via DNS records and HTTP response headers as of 2026-06-13.

💰 Estimated Cloud Spend

$840K – $2M / year across cloud providers

🛠 Tech Stack & Marketing

Ad Platforms	🔒 Subscribers only
Analytics & CRM	🔒 Subscribers only
CMS / Platform	Squarespace
Frontend Stack	🔒 Subscribers only

Detected from California Steel Industries, Inc. (CSI)'s public homepage as of 2026-06-13.

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Data detected 2026-06-13 · Methodology · Suggest a correction