Every new Florida business filing, every day2 infrastructure businesses recently registered in St. Petersburg, Florida.
Updated August 20, 2026 · Most recent business filing Aug 7, 2026

Every new Florida filing, every day
See how it worksThis page lists new infrastructure businesses registered in St. Petersburg, Florida. We currently track 2, sourced directly from the Florida Division of Corporations and refreshed daily as new infrastructure companies file.
Recent additions include Siena Infrastructure and Phalanx Resonant Infrastructure. The most recent infrastructure business filing was on Aug 7, 2026.
Each entry shows the filing date and, where we can verify it, the owner name and contact details. If you sell to infrastructure businesses in St. Petersburg, this is one of the freshest prospect lists in the market.
Siena Infrastructure, LLC is registered in St. Petersburg, FL with manager Brandon Banks. The name suggests infrastructure-related services.
Based solely on the LLC name, this entity may be involved in infrastructure services, but no specific business activity is confirmed from the filing or candidates.
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