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Key Insulation is the largest privately owned insulation installer in Central Texas, providing installed services for high performance cavity filled insulation systems for new residential construction. We provide our customers a choice in performance insulation systems in cellulose, blown in fiberglass or spray foam. Key Insulation, together with its subsidiaries, is engaged in home energy certification and several additional installed products to augment our primary business of insulating new homes.

Key Insulation Questions

The Key Insulation annual revenue was $19.1 million in 2026.

4 people are employed at Key Insulation.

Key Insulation is based in San Antonio, Texas.

The NAICS codes for Key Insulation are [2383, 238, 23, 238310, 23831].

The SIC codes for Key Insulation are [17, 174].

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