2005
- Marvin Reiff and his brother James, both dairy farmers at the time, went to an auction to buy a grain bin, but purchased a 20×40 Harvestore silo and unloader instead.
2006
- Developed their own jacking system.
- Successfully removed and rebuilt a silo for a brother-in-law.
- Started Greenwood Silo LLC.
2007
Hired a herdsman to manage their dairy farms so they concentrate on growing Greenwood Silo.- Continued to take down and move more silos, and began servicing unloaders.
- Introduced fiberglass composite roofs for the popular 20 ft diameter silo.
- Hired the first 2 full time employees.
- Purchased Weaverline feed cart repair business.
- Developed after-market parts and innovative solutions for Weaverline feed carts.
2012
- James left business to pursue his own excavating business.
2013
- Added numerous other lines of feeding, manure storage and manure equipment lines.
2014
Sold and installed a few above ground manure storage systems. - Introduced the heavy-duty green breather bag system to the US market.
2015
Introduced the ¾” floorplate and tapered and beveled trough design to improve unloader efficiency. - Introduced the quartz and carbide aggregate based epoxy floor systems.
- Marvin Reiff sold his dairy cows to tend to his growing business.
2016
- Streamlined Greenwood Silo’s business model to focus on bottom unloading vertical storage and related equipment.
- Sold Weaverline feed cart repair business and discontinued all other manure and feed handling equipment lines.
- Introduced Greenline D-series unloader.
- Launched Greenline products line.
- Perfected the test and seal the base method for Harvestore silo.
2017
Introduced Greenline B-series unloader for grain silos.
2018
Introduced GreenAlert system to alert customers when their silo is almost full. - Added dealership for Fieldline blowers and forage carts.
2019
Introduced spray foaming the inside of the silo roofs, along with the top 5 - 10 ft of the silo, to reduce condensation and air movement, prolonging the life of a used steel roofs. - Introduced the Greenline side fill systems - no more climbing required!
2020
- Hosted the 2nd Greenwood Silo Farmer to Farmer field day at Stewart Wurzel’s farm.
- Became a dealer of the Circle C Golden Eagle Wheel Rakes.
- Introduced the Quick Access door system to perform dig-outs.
- Introduced a skid loader powered digger in case of an unloader breakdown.
2021
- Introduced proprietary trap for unloader.
2022
- Introduced Greenlage™ the future of agriculture.
- Released Greenline E-drive unloader series.
- Launched the first completely insulated Harvestore for Greenlage production.