Holloway Ag is a prominent producer and supplier of high-quality agricultural gypsum and various soil amendments, serving the San Joaquin Valley and Central Coast of California. With a rich history dating back to the 1930s, Holloway Ag has evolved into a comprehensive agricultural services provider, offering a wide range of products including lime, sulfur, compost, humic acid, and micronutrients. The company is dedicated to supporting farmers from the planning stages through to delivery and application of materials, as well as providing assistance with harvest and waste management.

In addition to its product lineup, Holloway Ag emphasizes education and sustainability, aiming to implement best practices in farming while maximizing returns on soil investments. Their commitment to customer service is encapsulated in their "Red Ribbon Service" philosophy, which prioritizes the needs of farmers, families, and communities. With ongoing investments in research and logistics, Holloway Ag continues to be a leader in the agricultural sector, striving to enhance the growth and ecological stewardship of California's agricultural landscape.