Contact The Magazine Staff

Mark Kuhar, Editor

Mark Kuhar

Editor, Rock Products and Cement Americas
[email protected]

Mark S. Kuhar, based in Ohio, is the editor of Rock Products, Cement Americas and Frac Sand Insider. After graduating from Ohio University, and working in industrial and public service jobs for several years, he began his editorial career in 1987 as an assistant editor on Pit & Quarry and Concrete magazines. Since taking over the helm of Rock Products, he has continued to develop new products to serve the aggregates industry, including the Crushing & Breaking Spec Guide, Frac Sand Insider e-newsletter, Frac Sand Insider Conference and Expo, the Rock Products Latin American Aggregates Seminar at ConExpo Latin America, The Aggregates Almanac and the International Cement Seminar. SEMCO Publishing, with Rock Products, Cement Americas, Concrete Products and The Asia Miner, is the market share-leading publisher of print advertising and digital content for the construction-materials industry.
Josie Patterson, Assistant Editor

Josephine Patterson

Associate Editor, Rock Products, Cement Americas and Concrete Products
[email protected]

Based in Jacksonville, Fla., Josephine Patterson is the associate editor for Rock Products, Cement Americas and Concrete Products. Prior to joining Semco Publishing, she worked as an editor for a local publishing firm, specializing in industry-specific guides and directories. Josephine holds a bachelor’s in Communication from the University of North Florida.



Kyle Nichol

Director of Sales
Rock Products, Cement Americas,
Tel +1 330 819 3470
[email protected]


Suzanne McBride

Sales Manager, Quarry Equipment Marketplace, U.S.
Tel +1 678 822 9871
[email protected]

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