- Complete engineering and project management by Caldwell
- Built silos in two phases and completed excavation, foundation, process tunnel construction, aeration product floor, silo walls and silo roofs
- Phase 1: construction of two 80-foot diameter silos started in July '07 and completed in April '08
- Phase 2: construction of a 90-foot diameter silo started in June '10 and completed in September '10
- Edinburgh, Indiana