Companies Serving Indiana   Name Home Office Online Resources  1. Oldcastle APG Atlanta,GA TEK Manual Technical Details    2. Quik-Brik Atlanta,GA TEK Manual Technical Details    3. Hydraulic Press Brick Company- Haydite Structural Indianapolis,IN TEK Manual Technical Details    4. Lehigh Cement Company Allentown,PA TEK Manual Technical Details    5. Cemex, Inc. Houston,TX TEK Manual