G5 Enterprises Data Breach Exposes Sensitive Customer Information G5 Enterprises, LLC, a Missouri-based construction company specializing in insulation and exterior building products, confirmed a data breach on March 28, 2025, after detecting a network disruption. The company, which operates under brands like Arkansas Insulation and insulUSA across Missouri, Arkansas, Kansas, and Oklahoma, immediately launched an investigation with law enforcement and third-party forensic specialists. The breach involved unauthorized access to sensitive customer data, including names, Social Security numbers, driver’s license details, medical and health insurance information, financial account data, and payment card details. G5 Enterprises is reviewing the impacted records to determine the full scope of exposure. In December 2023, G5 Enterprises was acquired by SEI Group LLC, expanding SEI’s regional presence. The law firm Shamis & Gentile P.A. is now investigating potential legal action for affected individuals, who may be eligible for compensation. The incident highlights ongoing risks to personally identifiable information (PII) in corporate data systems.