Table of Contents As filed with the Securities and Exchange Commission on April 8, 2024 Registration No. 333-278178 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 1 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Centuri Holdings, Inc. (Exact name of registrant as specified in its charter) (State or other jurisdiction of incorporation or organization) Delaware 1623 93-1817741 (Primary Standard Industrial Classification Code Number) 19820 North 7th A ...