- 1889, August 7th: Founder Meinhard Neemann registers the company.
Business purpose: Automatic processing of paper bags and publishing the newspaper Allgemeiner Anzeiger für Ostfriesland
- from 1904 on: Continuous expansion, establishing new subsidaries in Frankfurt a.M., Königsberg und Dortmund
- 1905: First greenfield mill at the Deichstraße in Leer (see picture)
- 1945: Complete demolition of the factory during the last days of WWII, restart by assembling parts of various broken machines to a new production facility for paper bags
- 1959: First production of paper carrier bags in Leer
- 1960: Investment in new machines for laminating and processing of vacuum-bags
- 1969: First production of polyethylene carrier bags in Leer
- 1973: Large investment programme into rotogravure printing, flexoprinting, laminating and bag processing
- 1980: Opening of the new factory for the plastic sector Maiburger Straße, the 2nd greenland mill in NEEMANN's history
- since 1980: Forceful expansion within the business division Flexible Packaging - NEEMANN grows steadily as a partner for CPG (consumer packaged goods)
- 1996: Implementing the new high-rack-wharehouse in Leer
- 1998: Implementing the first state-of-the-art 8-colour-flexoprint-press Astraflex by Windmöller&Hölscher
- 2007: The business line Service Packaging (paper and carrier bags) spins off into NL-Verpackung (www.nl-verpackung.de); substancial expansion of the production site Maiburger Straße (additional production- and logistic-halls as well as implementing the first 10-colour-flexoprint-press)
- 2008/2009: Investment into additional converting maschines and laser perforation
- 2011/2012: New 10-colour-flexoprint-press and additional 4.000m2 production-halls
- today: approx. 140 employees daily contribute to NEEMANN's success
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