Building for America's
agricultural industry.

Since the early 1920s, Ernest-Spencer Incorporated (ESI) has been designing, fabricating and building grain milling, batching and storage facilities, and other specialized commercial installations throughout the central United States. True to this legacy, ESI continues to be a premier facilities builder to the nation's agricultural, industrial and construction fields. Our years of experience and our dedication to keeping up with changes in technology allow ESI to be a leader in the agricultural grain storage industry. This knowledge in technology and innovation is passed on to our customers in the form of processing efficiencies that can, in turn, help increase plant throughputs and enable significant cost savings.

ENGINEERING AND DESIGN

Every project starts with a plan and our design and engineering staff works with our clients to ensure that
their project meets their needs and their budget.

Custom design of Feed Plants, Grain Elevators, Seed Plants, and Hay Systems
Specialists in renovation and redesign of existing facilities
Construction can be staged for minimal interference with your ongoing operations

FEED MILLS

ESI builds turnkey feed mills of all sizes from small custom feed plants to large cattle feed lot plants. With our experience and expertise we build a quality product that you can count on to streamline your operations and beef up your bottom line.

Manual and automated systems
Custom milling equipment for specialized applications
Reliable design for ease of operation

BATCHING AND WEIGHING SYSTEMS

Whether integrated into large feed mills or as standalone installations, ESI builds complete batching, weighing and surge systems.

Medication mixing systems
Pneumatic conveying systems
Scaled to your needs, from 75 to 750 tons per day

SPECIALTY MILLING EQUIPMENT

Milling facilities are a specialty for ESI, and many mill installations require the design and fabrication of custom equipment. The fabrication capabilities of ESI and our sister companies give us another advantage in building efficiency.

Medication mixing systems
Pneumatic conveying systems

GRAIN STORAGE FACILITIES

From small, compact grain bins to mega structures and complex facilities, ESI designs and builds them all. For over 80 years we have built our reputation on our grain storage installations.

Bulk receiving facilities
Bulk load-out facilities
Elevating and conveying equipment
Aeration and temperature control systems
Concrete jump form storage