Rang	Name	Position
1	Mr. C. Howard Nye J.D.	Chairman, CEO, President, President of Aggregates Business & Chair of Magnesia Specialties Business
2	Mr. Michael J. Petro	Executive VP & CFO
3	Mr. Robert J. Cardin	Senior VP, Controller & Chief Accounting Officer
4	Mr. Jason P. Flynn	Senior VP & Chief Information Officer
5	Mr. Donald A. McCunniff	Executive VP & Chief Human Resources Officer
6	Mr. Christopher W. Samborski	Executive VP & COO
7	Jacklyn Rooker	Vice President of Investor Relations
8	Mr. George F. Schoen	Executive VP, General Counsel & Corporate Secretary
9	Mr. Kirk Light	President of Cement & Southwest Ready Mix

Aufteilung der Investoren

Rang	Inhaber	Anteile	Wert
1	BlackRock Inc	6,60%	2,39 Mrd. USD
2	Vanguard Capital Management, LLC	5,52%	2,00 Mrd. USD
3	Vanguard Portfolio Management, LLC	4,45%	1,61 Mrd. USD
4	State Street Corp	4,05%	1,47 Mrd. USD
5	FMR Inc	3,67%	1,33 Mrd. USD
6	Bank of America Corp	3,38%	1,22 Mrd. USD
7	Principal Financial Group Inc	2,98%	1,08 Mrd. USD
8	Aristotle Capital Management LLC	2,75%	1,00 Mrd. USD
9	JPMorgan Chase & Co	2,62%	0,95 Mrd. USD
10	Victory Capital Management Inc.	2,51%	0,91 Mrd. USD
11	Geode Capital Management, LLC	2,24%	0,81 Mrd. USD
12	T. Rowe Price Associates, Inc.	2,10%	0,76 Mrd. USD
13	Morgan Stanley - Brokerage Accounts	1,89%	0,68 Mrd. USD
14	Select Equity Group LP	1,42%	0,52 Mrd. USD
15	Baillie Gifford & Co Limited.	1,40%	0,51 Mrd. USD
16	T. Rowe Price Investment Management,Inc.	1,34%	0,49 Mrd. USD
17	The Goldman Sachs Group Inc	1,25%	0,45 Mrd. USD
18	Gardner Russo & Gardner	1,01%	0,37 Mrd. USD
19	Amvescap Plc.	0,97%	0,35 Mrd. USD
20	King Luther Capital Management Corp	0,94%	0,34 Mrd. USD