AI Company Market Strategy Reports powered by LLM Authority Index. Each report shows how AI systems surface, compare, and recommend your specific brand — with remediation priorities for AEO, citation architecture, and SEO visibility.
Independent market intelligence - Not case studies
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September 2026 benchmark of GAF in roofing shows 54.5% AI recommendation coverage, a narrow lead over Owens Corning, with the main gap in first-position.

CertainTeed ranked third among roofing companies in September 2026, gaining recommendation coverage while still trailing rivals in first-position AI.

Owens Corning ranks second in roofing, nearly tied with GAF on AI recommendation coverage, but trails sharply in first-place mentions across key buyer prompts.

September 2026 analysis of TAMKO in roofing recommendations shows strong mention visibility but weak shortlist conversion, with Copilot as its best-performing.
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