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The company's official name from 1990–2015 was AECOM Technology Corporation, and is now AECOM. [2] The company is listed on the New York Stock Exchange (NYSE) under the ticker symbol ACM and on the Frankfurt Stock Exchange under the ticker symbol E6Z. [3] AECOM has approximately 51,000 employees, and is number 291 on the 2023 Fortune 500 list ...
This is a list of building materials. Many types of building materials are used in the construction industry to create buildings and structures . These categories of materials and products are used by architects and construction project managers to specify the materials and methods used for building projects .
Eagle Materials Inc. is an American producer of building materials based in Dallas, Texas. The company produces cement , concrete , construction aggregate , gypsum , wallboard , paperboard , and sand for hydraulic fracturing .
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AECOM publishes its second corporate sustainability report "Complex problems. Integrated solutions." LOS ANGELES--(BUSINESS WIRE)-- AECOM Technology Corporation (NYS: ACM) , a leading provider of ...
AECOM reports fourth-quarter, full-year fiscal 2012 results Quarter Highlights $226 million in operating cash flow and $211 million in free cash flow, exceeding target. $2.1 billion in revenue ...
Prestressed concrete is a method for overcoming the concrete's natural weakness in tension. [ 1 ] [ 2 ] It can be used to produce beams , floors or bridges with a longer span than is practical with ordinary reinforced concrete .
Another advantage of copper roofing systems is that they are relatively easy to repair. Standing-seam metal roof with concealed fasteners. Mechanically seamed metal with concealed fasteners contains sealant in seams for use on very low sloped roofs, suitable for roofs of low pitch such as 0.5/12 to 3/12 pitch.