Tesseral vs Fluor Corporation
Side-by-side comparison of AI visibility scores, market position, and capabilities
US open-source B2B authentication platform for SAML and SCIM enterprise SSO; YC $3.3M seed May 2025 from Paul Graham backing competing with WorkOS for SaaS company enterprise identity infrastructure.
About
Tesseral is a US-based open-source B2B authentication infrastructure company — backed by Y Combinator with $3.3 million in seed funding raised in May 2025 from YC, Jessica Livingston, and Paul Graham — building developer-friendly SAML, SCIM, and enterprise SSO infrastructure that enables SaaS companies to implement enterprise authentication standards without the months of engineering work that supporting each enterprise customer's identity provider (Okta, Azure AD, Google Workspace) typically requires. Founded by Ned O'Leary and Ulysse Carion, Tesseral democratizes enterprise authentication capabilities that were previously only accessible to large organizations with dedicated identity engineering teams.
Irving TX global EPC contractor (NYSE: FLR) at $16.3B 2024 revenue with $17.7B backlog; new CEO Jim Breuer May 2025 growing data center/semiconductor segment from BHP Olympic Dam to CHIPS Act fabs competing with Bechtel and AECOM.
About
Fluor Corporation is an Irving, Texas-based engineering, procurement, and construction (EPC) company — publicly traded on the New York Stock Exchange (NYSE: FLR) — providing global energy, chemicals, infrastructure, government, and advanced technology clients with EPC project delivery services across the full capital project lifecycle from feasibility through commissioning and maintenance. In 2024, Fluor reported $16.3 billion in revenue (Fortune 500 #265) with $9.5 billion in new awards and an $17.7 billion ending backlog, demonstrating pipeline growth driven by the AI data center construction surge, semiconductor manufacturing expansion (CHIPS Act-funded fabs), and life sciences facility build-out. In May 2025, Jim Breuer was named CEO, succeeding David Constable who became Executive Chairman. Founded in 1912 (113-year operating history), Fluor operates through Urban Solutions (infrastructure, manufacturing, life sciences), Mission Solutions (government), and Energy Solutions (oil, gas, chemicals, renewables) segments.
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