Since 1935, Helena Sand & Gravel has safely provided the preferred source of asphalt and concrete services to the Helena area. In 1976, Maronick Construction purchased Helena Sand & Gravel, providing construction services and aggregate materials to the greater Helena Valley. Helena Sand & Gravel strives for excellence and safety through world-class teams, quality workmanship and customer service, innovative products and services and long-standing relationships within the Helena community.