Macawber Engineering, Inc.

Macawber Engineering, Inc. is a global leader in the design and engineering of low-velocity, dense-phase pneumatic conveying systems for bulk material handling, with over 45 years of expertise in automating processes for challenging materials. The company specializes in solutions that ensure gentle, efficient transfer of fragile, abrasive, moist, lumpy, or hot substances—such as peanuts, sand, EAF dust, sugar, ash, and cement—minimizing degradation, wear, and energy use while maximizing reliability and productivity. Core automation technologies include the patented Dome Valve® for precise control, no-booster designs with single moving parts, and low-profile equipment for seamless integration into production lines. These systems support high-throughput operations without particle attrition, promoting sustainable, low-maintenance automation in diverse environments. Serving industries like biomass, chemicals, food & pharmaceuticals, minerals, metals & foundry, power, and plastics & resins, Macawber has delivered thousands of installations worldwide, including custom solutions for abrasive handling and food-grade conveying. As a woman-owned small business, the company emphasizes innovation, customer partnerships, and environmental responsibility, holding key patents and certifications for quality and safety to drive long-term efficiency in automated bulk processing.