EX-21 2 exp-ex21.htm EX-21

Exhibit 21

The following is a list of subsidiaries of Eagle Materials Inc., wholly-owned unless otherwise stated. This list of subsidiaries includes all of the significant subsidiaries of Eagle Materials Inc. as of May 21, 2025.

Entity Name |  |  |  | Jurisdiction of Organization
AG SOUTH CAROLINA LLC |  |  |  | Delaware
AMERICAN GYPSUM COMPANY LLC |  |  |  | Delaware
AMERICAN GYPSUM MARKETING COMPANY LLC |  |  |  | Delaware
AUDUBON MATERIALS LLC d/b/a Central Plains Cement Company LLC |  |  |  | Delaware
AUDUBON READYMIX LLC d/b/a Quicksilver Readymix LLC |  |  |  | Delaware
BULLSKIN STONE AND LIME LLC |  |  |  | Pennsylvania
CCP CEMENT LLC |  |  |  | Delaware
CCP CONCRETE/AGGREGATES LLC |  |  |  | Delaware
CCP GYPSUM LLC |  |  |  | Nevada
CENTEX MATERIALS LLC |  |  |  | Delaware
ILLINOIS CEMENT COMPANY LLC |  |  |  | Delaware
FAIRBORN CEMENT COMPANY LLC |  |  |  | Delaware
HOLLIS & EASTERN RAILROAD COMPANY LLC |  |  |  | Delaware
KANSAS CITY AGGREGATE LLC d/b/a Talon Concrete and Aggregates LLC |  |  |  | Delaware
KANSAS CITY FLY ASH LLC |  |  |  | Delaware
KANSAS CITY READYMIX LLC d/b/a Talon Concrete and Aggregates LLC |  |  |  | Delaware
KOSMOS CEMENT COMPANY LLC |  |  |  | Delaware
MOUNTAIN CEMENT COMPANY LLC |  |  |  | Delaware
MOUNTAIN LAND & CATTLE COMPANY LLC |  |  |  | Delaware
NEVADA CEMENT COMPANY LLC |  |  |  | Delaware
RAPTOR MATERIALS LLC |  |  |  | Delaware
REPUBLIC PAPERBOARD COMPANY LLC |  |  |  | Delaware

SKYWAY CEMENT COMPANY LLC |  |  |  | Delaware
TEXAS CEMENT COMPANY |  |  |  | Nevada
TEXAS LEHIGH CEMENT COMPANY LP d/b/a Texas Lehigh Cement |  | 50% |  | Texas
TLCC GP LLC |  |  |  | Delaware
TLCC LP LLC |  |  |  | Delaware
TULSA CEMENT LLC d/b/a Central Plains Cement Company LLC |  |  |  | Delaware