ConstructionInfrastructure DevelopmentactiveVerified

Cornerstone Infrastructure Group

Brant A. Singletary, CEO

An infrastructure development company that designs, builds, and operates projects, aligning with the LLC's name and likely business activities.

Filed February 25, 2026 · St Petersburg, FL · Pinellas County

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Source

Florida Division of Corporations (Sunbiz) · Entity L26000118567 · Retrieved April 20, 2026

Search the registry for L26000118567 ›JSON record ›

About Cornerstone Infrastructure Group

CORNERSTONE INFRASTRUCTURE GROUP LLC filed in Florida on February 25, 2026, with a principal address in St Petersburg, Hillsborough County. CEO Brant A. Singletary filed through an individual registered agent named RY, who is not the owner and not a formation service. Its domain was registered on March 24, 2025, about 11 months before filing, through GoDaddy. The website identity was confirmed to match the filing's name and address. No annual report or EIN on file yet.

  • CEO Brant A. Singletary filed through an individual registered agent named RY, not the owner and not a formation service.
  • Domain registered 11 months before the company filed.
  • Website identity confirmed to match the filing's name and address.
  • No annual report or EIN on file yet.
  • Filed in Florida with a St Petersburg principal address in Hillsborough County.

Compiled from the state record, the company's public web presence, and our own research. Updated August 24, 2026.

One of 1,821 new businesses registered in St Petersburg in February 2026, one of 10 construction businesses.

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Filing Details

Entity NameCORNERSTONE INFRASTRUCTURE GROUP LLC
Entity TypeFLAL
Entity NumberL26000118567
Filing DateFebruary 25, 2026
Principal AddressLocked
City / State / ZipSt Petersburg, FL 33708
CountyPinellas
TimezoneEastern (ET)
EIN on FileNo
Registered AgentRY
Agent AddressLocked
Filed ViaIndividual registered agent
WebsiteYes · domain registered 338 days before filing · registrar GoDaddy
Website BuildModern
Annual ReportNot yet filed
First Recorded by DayOneLeadApril 20, 2026 (54 days after filing)

Verified Business Profile

SubcategoryInfrastructure Development

Contact Information

WebsiteLocked
PhoneLocked
EmailLocked
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Verified Website Profile

We matched this business to its website and pulled the domain's registration (WHOIS) record. Domain age is one of the strongest signals that a filing is a truly new business and not a re-filing or paperwork change.

Domain RegisteredLocked
Domain AgeLocked
RegistrarLocked
Website PlatformLocked
Start Free TrialDomain and website data is included with a free trial.

Officers / Authorized Persons

B
Brant A. Singletary
CEO
Address locked

Frequently Asked Questions

When was Cornerstone Infrastructure Group registered?

Cornerstone Infrastructure Group was registered as FLAL on February 25, 2026 in Florida.

Where is Cornerstone Infrastructure Group located?

Cornerstone Infrastructure Group is based in St Petersburg, FL, 33708, in Pinellas County.

What type of business is Cornerstone Infrastructure Group?

Cornerstone Infrastructure Group is classified as a construction business (infrastructure development).

Is Cornerstone Infrastructure Group still active?

According to the Florida Division of Corporations, Cornerstone Infrastructure Group's current record status is "active".

Does Cornerstone Infrastructure Group have an EIN on file?

No EIN was found on file for Cornerstone Infrastructure Group at the time of registration.

Who Sells to This Business

Based on the business category, these service providers typically target this type of business.

InsuranceMerchant ServicesWeb DesignerEquipment LeasingAccounting
Registered in the last 30 days

5 companies similar to Cornerstone Infrastructure Group registered in Pinellas County in the last 30 days

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Shellback Coastal ConstructionMadeira Beach · Sep 21, 2026
Greater Works BuildersSt. Petersburg · Sep 21, 2026
Saravia ConstructionSt. Petersburg · Sep 14, 2026
+ 1 more in Pinellas County
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