Stephen P. Zelnak

Founder at ZP Enterprises LLC

79 year

Non-Energy Minerals

Consumer Services

Commercial Services

Profile

Stephen P.
Zelnak is the founder of ZP Enterprises LLC, founded in 2008, where he holds the title of Chairman.
He is currently Chairman at Martin Marietta Magnesia Specialties LLC since 2005, Director at Concrete Supply Holdings, Inc., President at Martin Marietta Aggregates since 1993, and Trustee at Georgia Tech Foundation, Inc. He was also an Independent Director at Beazer Homes USA, Inc. from 2003 to 2015, and a Non-Executive Director at Martin Marietta Materials, Inc. from 1993 to 2015.
Additionally, he was a Director at Pace Industries, Inc. (Arkansas).
Mr. Zelnak's education history includes an undergraduate degree from Georgia Institute of Technology and graduate degrees from The University of Alabama, including an MBA.

Stephen P. Zelnak active positions

Companies	Position	Start
Martin Marietta Aggregates Martin Marietta Aggregates Wholesale DistributorsDistribution Services Martin Marietta Aggregates produces construction aggregates. It supplies crushed stone, sand, gravel, asphalt and ready mix concrete products to contractors of highway and public infrastructure, residential and commercial projects. The company operates quarries and related facilities in the US, Canada and the Caribbean. Martin Marietta Aggregates is located in Raleigh, NC.	President	1992-12-31
Martin Marietta Magnesia Specialties LLC Martin Marietta Magnesia Specialties LLC Construction MaterialsNon-Energy Minerals Martin Marietta Magnesia Specialties LLC produces magnesia chemicals and lime. It provides high purity magnesium oxide based products for environmental, industrial, nutritional and agricultural applications, and magnesium hydroxide products for use in everyday materials such as plastic, rubber, pulp & paper, ceramics, sugar, animal feed, aluminum, tile and motor oil. It is a wholly owned subsidiary of Martin Marietta Magnesia, Inc. The company is headquartered in Baltimore, MD.	Chairman	2004-12-31
Concrete Supply Holdings, Inc. Concrete Supply Holdings, Inc. Construction MaterialsNon-Energy Minerals Concrete Supply Holdings, Inc. produces ready-mix concrete products. The company was founded on May 23, 1958 and is headquartered in Charlotte, NC.	Director/Board Member	2010-03-01
ZP Enterprises LLC ZP Enterprises LLC Investment ManagersFinance ZP Enterprises LLC is an Independent Private Equity firm founded in 2008 by Brent Zelnak. ZP Enterprises LLC is headquartered in Atlanta.	Founder	2007-12-31
Georgia Tech Foundation, Inc. Georgia Tech Foundation, Inc. Investment Trusts/Mutual FundsMiscellaneous Georgia Tech Foundation, Inc. provides educational services. It promotes the cause of higher education in the State of Georgia, receives and manages financial donations received by the foundation for support and enhancement of the Georgia Institute of Technology and assists the Georgia Institute of Technology in its role as a leading educational and research institution. The company was in 1932 and is headquartered in Atlanta, GA.	Director/Board Member	-

All active positions of Stephen P. Zelnak

Former positions of Stephen P. Zelnak

Companies	Position	End
MARTIN MARIETTA MATERIALS, INC.	Director/Board Member	2020-05-13
BEAZER HOMES USA, INC.	Chairman	-
The Materials Group LLC The Materials Group LLC Chemicals: SpecialtyProcess Industries The Materials Group LLC manufactures and distributes plastic resin. The firm operates as distributors and compounders of plastic resin, focuses is on customer service; its ability to offer quality engineered thermoplastics, compounded materials and recycled resins. The company is headquartered in Rockford, MI.	President	1992-12-31
Martin Marietta Corp.	Corporate Officer/Principal	1991-12-31
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See the detail of Stephen P. Zelnak's experience

Training of Stephen P. Zelnak

Georgia Institute of Technology	Undergraduate Degree
The University of Alabama	Graduate Degree

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

See the detail of Stephen P. Zelnak's experience

Connections

100 +

1st degree connections

1st degree companies

Male

Female

Members of the board

Executives

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Linked companies

Listed companies	2
BEAZER HOMES USA, INC.	Consumer Durables
MARTIN MARIETTA MATERIALS, INC.	Non-Energy Minerals

Private companies	15
Martin Marietta Corp.	Electronic Technology
Pace Industries, Inc. (Arkansas) Pace Industries, Inc. (Arkansas) Metal FabricationProducer Manufacturing Pace Industries, Inc. manufactures engineered aluminum die-cast parts. Its services include engineering, tool and die making, aluminum die casting, magnesium die casting, zinc die casting and finishing. The company was founded in 1970 and is headquartered in Fayetteville, AR.	Producer Manufacturing
Martin Marietta Aggregates Martin Marietta Aggregates Wholesale DistributorsDistribution Services Martin Marietta Aggregates produces construction aggregates. It supplies crushed stone, sand, gravel, asphalt and ready mix concrete products to contractors of highway and public infrastructure, residential and commercial projects. The company operates quarries and related facilities in the US, Canada and the Caribbean. Martin Marietta Aggregates is located in Raleigh, NC.	Distribution Services
Martin Marietta Magnesia Specialties LLC Martin Marietta Magnesia Specialties LLC Construction MaterialsNon-Energy Minerals Martin Marietta Magnesia Specialties LLC produces magnesia chemicals and lime. It provides high purity magnesium oxide based products for environmental, industrial, nutritional and agricultural applications, and magnesium hydroxide products for use in everyday materials such as plastic, rubber, pulp & paper, ceramics, sugar, animal feed, aluminum, tile and motor oil. It is a wholly owned subsidiary of Martin Marietta Magnesia, Inc. The company is headquartered in Baltimore, MD.	Non-Energy Minerals
Georgia Tech Foundation, Inc. Georgia Tech Foundation, Inc. Investment Trusts/Mutual FundsMiscellaneous Georgia Tech Foundation, Inc. provides educational services. It promotes the cause of higher education in the State of Georgia, receives and manages financial donations received by the foundation for support and enhancement of the Georgia Institute of Technology and assists the Georgia Institute of Technology in its role as a leading educational and research institution. The company was in 1932 and is headquartered in Atlanta, GA.	Miscellaneous
North Carolina Chamber of Commerce North Carolina Chamber of Commerce Miscellaneous Commercial ServicesCommercial Services The North Carolina Chamber of Commerce is a business organization that serves as a Chamber of Commerce. The non-profit company is based in Raleigh, NC. The CEO of the company is S. Lewis Ebert.	Commercial Services
North Carolina Citizens for Business & Industry
National Stone, Sand & Gravel Association National Stone, Sand & Gravel Association Miscellaneous Commercial ServicesCommercial Services National Stone, Sand & Gravel Association is a non profit organization which advocates for the aggregates industry. It advances public policies that protect and expand the safe, environmentally responsible use of aggregates that build America’s infrastructure and economy. The company is headquartered in Alexandria, VA.	Commercial Services
North Carolina Community College Foundation
North Carolina Forum for Research & Economic Education
North Carolina Aggregates Association North Carolina Aggregates Association Miscellaneous Commercial ServicesCommercial Services North Carolina Aggregates Association operates as a membership organization. It engaged in the production and/or sale of crushed stone, sand and gravel in North Carolina. Associate members are suppliers of equipment, products or service to the aggregates industry. The company was founded on 1964 and is headquartered in Raleigh, NC.	Commercial Services
North Carolina State University College of Sciences Foundation
Concrete Supply Holdings, Inc. Concrete Supply Holdings, Inc. Construction MaterialsNon-Energy Minerals Concrete Supply Holdings, Inc. produces ready-mix concrete products. The company was founded on May 23, 1958 and is headquartered in Charlotte, NC.	Non-Energy Minerals
The Materials Group LLC The Materials Group LLC Chemicals: SpecialtyProcess Industries The Materials Group LLC manufactures and distributes plastic resin. The firm operates as distributors and compounders of plastic resin, focuses is on customer service; its ability to offer quality engineered thermoplastics, compounded materials and recycled resins. The company is headquartered in Rockford, MI.	Process Industries
ZP Enterprises LLC ZP Enterprises LLC Investment ManagersFinance ZP Enterprises LLC is an Independent Private Equity firm founded in 2008 by Brent Zelnak. ZP Enterprises LLC is headquartered in Atlanta.	Finance