About Alternative Materials

Our mission is to utilize our mineral reserves to provide clients worldwide with limestone, cement kiln dust and naturally pure and bright premium calcium carbonate to drive sales and make a fair profit. We strive to provide a high quality product and customer service with integrity and honesty.

Industries We Supply

Limestone Products CKD Products

The use of limestone extends beyond its application as a stately exterior building material. ... It also can easily be hand carved or shaped for use as custom moldings, surrounds, facades and other highly decorative applications, and complements a range of other building materials.

Limestone in powdered form is also used as a substance to absorb pollutants or control coal mine dust at many coal-mining facilities. Lime which is the byproduct of limestone is used to neutralize acids and treat wastewater, industrial sludge, animal waste, and water supplies.

It also is used in the production of cement by heating powdered limestone with clay. It is a major ingredient in toothpaste. It can be used as a food additive to provide calcium ions for strong teeth and bones. It can be processed as a useful raw material in the chemical industry... and much more

Our Team

Peter E. Salas


Peter E. Salas currently serves as Chief Executive Officer of Alternative Materials Holdings, LLC. He has also been President of Dolphin Asset Management Corporation and its related companies (“Dolphin”) since 1988. Prior to founding Dolphin, he was an officer with J.P. Morgan Investment Management, Inc. and served there for ten years. His public company experience includes serving as Chairman of the Board of Tengasco, Inc., until 2021; he was CEO and Chairman of ACT Teleconferencing, Inc., for seven years until 2013; he served on the Executive Committee of Williams Controls, Inc., until 2012 and he served as a director of Southwall Technologies, Inc., until 2011. Mr. Salas is Executive Chairman of two private companies: Boston Restaurants, Inc., and Salient Sciences, Inc. Mr. Salas received an A.B. degree in economics from Harvard University in 1978.

Thomas Duszynski


Thomas Duszynski currently serves as Chief Financial Officer of Alternative Materials Holdings, LLC. He earned a BS in Accounting, from the University of Illinois, in 1977 and became a Certified Public Accountant in 1979. Mr. Duszynski practiced public accountancy as an employee, partner and sole proprietor at various accounting firms until 1997. In 1997 Mr. Duszynski co-founded Augustine Capital Management, LLC, which managed investments in public and private emerging companies. In 2016 he joined Kingdom Resources, as Chief Financial Officer

Jake Blubaugh


Jake Blubaugh currently serves as Chief Operating Officer of Alternative Materials Holdings LLC. He earned a Bachelor of Science in Management and graduated from the Petroleum Land Practices Certificate Program, Neely School of Business, Texas Christian University. Mr. Blubaugh started working as a Landman in 2007 and has extensive knowledge in the land and title business servicing the oil and Gas industry eventually owning and operating several land services companies. Since 2015 Mr. Blubaugh oversees the performance of the aggregate operations (limestone/asphalt/ CKD/fill operations). Mr. Blubaugh develops standards in line with best practices and operational excellence, provides analyses of daily reporting data, monitors daily performance of quality and customer satisfaction, a safe working culture for all employees and provides leadership and direction to the operations team.

Timothy C. Howard, P.E.

Mining Engineer

Co-founder of HOWARD ENGINEERING & GEOLOGY, INC. PROFESSIONAL, NOV. 1988 to present duties include Oversee all phases of mine layout, design, equipment selection, preparation materials handling and disposal, reserve evaluation, property management, reclamation permitting and regulatory agency consulting. Mr. Howard graduated from the University of Kentucky with a Bachelor of Science in Mining Engineering in 1984. In his 36 years of experience Mr. Howard has worked for many energy companies and wide range of projects qualifying him a one the top ranked engineers in Kentucky. He is a member of all the professional organizations and is a Certified Professional Engineer in Kentucky, Virginia and Tennessee.

David W. Howard, P.G.


Geology, Permits, Bonds, Reclamation, Testing and Compliance. Co-founder of HOWARD ENGINEERING & GEOLOGY, INC. PROFESSIONAL GEOLOGIST, NOV. 1988 to present duties include: Principal, Consultant, Professional Geologist, Duties include all phases of geologic investigations in mining, environmental geology, hydrology, hydrogeology, sedimentology, geotechnical engineering, reserve evaluation, subsidence and office management. Mr. Howard graduated from the University of Kentucky with a Bachelor of Science in Geology in May 1985. In his 35 years of experience Mr. Howard has proved to be the top ranked geologists in Kentucky. He is a member of all the professional organizations and is a Certified Geologist in Kentucky and Tennessee.

Hope Consulting


The Hope family has been providing professional Engineering and Surveying services for over 55 years. Jonathan Hope is the third generation to lead his team in this business. Their long tenure has been primarily focused on projects in Arkansas. Hope’s experience has allowed them to anticipate a community’s vision for proposed projects and utilize the knowledge in the planning and design process to help fulfill clients needs. Hope’s professionals have the experience necessary to handle all phases of a project including working closely with clients and review agencies. Hope Consulting has licenses in Arkansas, Oklahoma, Texas, West Virginia, North Dakota, Illinois, Florida and Louisiana.

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