EXHIBIT 21
LIST OF SUBSIDIARIES
Name	Percentage Owned		Jurisdiction of Incorporation
Astec Australia Pty Ltd		100	Australia
Astec do Brasil Fabricacao de Equipamentos Ltda.		78	Brazil
Astec, Inc.		100	Tennessee
Astec Insurance Company		100	Vermont
Astec Mobile Machinery GmbH		100	Germany
Astec Mobile Screens, Inc.		100	Nevada
Breaker Technology, Inc.		100	Tennessee
Breaker Technology Ltd		100	Ontario, Canada
Carlson Paving Products, Inc.		100	Washington
CEI Enterprises, Inc.		100	Tennessee
GEFCO, Inc.		100	Tennessee
Heatec, Inc.		100	Tennessee
Johnson Crushers International, Inc.		100	Tennessee
Kolberg-Pioneer, Inc.		100	Tennessee
Osborn Engineered Products SA (Pty) Ltd		96	South Africa
Peterson Pacific Corp.		100	Oregon
Roadtec, Inc.		100	Tennessee
Telestack, Limited		100	Northern Ireland
Telsmith, Inc.		100	Delaware