About Detectable Warning Systems

Since 1994, Detectable Warning Systems has been a pioneer in manufacturing and providing innovative and economical detectable warnings. Our durable, installer-friendly products are for surface applied or wet concrete applications. Our products include RediMat, AlertTile, AlertCast, and Cast Iron detectable warnings.

All of our products are all made in the USA and provide ADA compliant tactile warning surfaces for visually impaired pedestrians at a reasonable cost to contractors, cities, counties, transit authorities and other agencies.

Having been a contract manufacturer for the AlertCast and AlertTile brands, Mar-Bal, Inc. acquired AlertTile, Inc. and Detectable Warning Systems in 2018. These two companies are now operating as one company under the Detectable Warning Systems brand.

About Mar-Bal

Mar-Bal, Inc., headquartered in Chagrin Falls, OH, is the leading integrated compounder and molder of BMC Thermoset composite products and value added finishing services.  Mar-Bal has been recognized as one of America’s fastest growing companies for 2 consecutive years (2013, 2014).

Since 1970, Mar-Bal has engineered and manufactured quality, customized materials and parts while delivering unmatched client cost-effectiveness through superior customer service and commitment to the total value.


Industry Assosciations


Based in Washington, D.C., the ACMA, represents more than 850 companies and is the composites industry’s largest trade group in the world. The American composites industry is made up of approximately 3,000 companies and in the U.S. it employs more than 500,000 people in all 50 states generating almost $70 billion in revenues annually.

Scott Balogh, President and CEO of Mar-Bal, recently began a two-year tenure as ACMA’s chairman of the board!

The Institute for Advanced Composites Manufacturing Innovation (IACMI) is committed to delivering a public-private partnership to increase domestic production capacity, grow manufacturing and create jobs across the US composite industry.


The National Electrical Manufacturers Association (NEMA) is the association of electrical equipment and medical imaging manufacturers, founded in 1926 and headquartered in Rosslyn, Virginia.

Questions? For ordering information or to speak with a detectable warning specialist please call: 866-999-7452

Our Goals

To focus on quality, durability and ease of installation for all of our products.
To be a leader in our industry emphasizing knowledge, innovation, quality and integrity.
To provide superior customer service to all of our customers – large or small, new or existing.
To provide a place of work for our employees that is professional, enjoyable and respectful to all.