| 2007 |
The company’s efforts to expand continues with the completion of the Marble Falls Quarry and a new dredging operation at the Austin River Plant. |
| 2004 |
Capitol executes a long-term contract with Chemical Lime, Ltd. to mine aggregate materials on its property in Marble Falls. |
| 1988 |
Capitol purchases Delta Materials which produces high-quality sandstone used to build safe, durable Texas highways. |
| 1983 |
The cement plant’s dry kiln addition becomes a reality when the first clinker is produced in December. |
| 1981 |
Construction begins on a new crushed stone operation in Georgetown. |
| 1968 |
The cement operation receives its first of 17 Portland Cement Association Safety trophies for a perfect safety record. |
| 1965 |
Capitol’s cement plant goes online in San Antonio with capabilities of producing one million barrels — approximately 188,000 tons — of cement annually. |
| 1959 |
Capitol begins dredging the Colorado River in Austin to increase the river’s depth and width. The huge endeavor took 12 years to complete. |
| 1957 |
H.B. Zachry Company receives a contract from the United States Air Force to rebuild runways at Bergstrom Air Force Base in Austin. Rather than purchase materials from another supplier, the company determines it would be more efficient to start its own sand and gravel and ready mix operations. Capitol Aggregates is incorporated on March 27, 1957. |
