Form: S-1

General form for registration of securities under the Securities Act of 1933

May 8, 2026

Exhibit 21.1

Subsidiaries of the Registrant

 

Subsidiary

  

Jurisdiction of Incorporation or Formation

Haymaker Acquisition Corp. 4    Delaware
Suncrete Intermediate, Inc.    Delaware
Concrete Partners Holding, LLC    Delaware
Concrete Partners, LLC    Delaware
Eagle Concrete Holdings, LLC    Delaware
Eagle Redi-Mix Concrete, LLC    Oklahoma
RAM Transportation, LLC    Oklahoma
Schwarz Sand, LLC    Oklahoma
Hope Concrete, LLC    Texas
Lafayette Concrete Division, LLC    Louisiana
Baton Rouge Concrete Division, LLC    Louisiana
Nelson Bros. Ready Mix, LLC    Texas
R & R Trucking, LLC    Texas
Ascension Quality Materials, LLC    Louisiana
American Block Co, LLC    Arkansas