1935
Company founded by brothers Le Roy and Ty Zeigler as a local producer of poultry and livestock feeds
1955
Manufactured first feeds for aquaculture
1967
Dr. Thomas Zeigler assumes leadership as President & CEO, with strategic focus toward research & development of specialty animal and aquatic feeds
1975
Development of Open Formula Laboratory Animal Diets in conjunction with the National Institutes of Health
1983
First to develop technology to achieve desired water stability for shrimp feeds
1984
Development of a nutritionally complete line of Pet & Zoo Diets in conjunction with the Smithsonian Institute
1986
Licensee operation started in Panama for manufacture of aquaculture feeds into Central America
1988
Commercialization of Ascorbyl Tripolyphosphate (Stay C) - a stable form of Vitamin C
1989
New European expansion processing technology installed to produce highly digestible aquaculture feeds
1992
Began operations of drug-free manufacturing facility in U.S. for production of Pet and Lab Research Diets
1993
Licensee operations started in Mexico and Belize
1994
Introduced Shrimp Hatchery Diets to provide a complete line of shrimp feed products
1996
Developed microparticulate and microencapsulated technology for larval feeds
2000
Granted State of Pennsylvania, Governor's Export Excellence Award
2001
Received ISO-9001 Certification for both U.S. manufacturing facilities
2002
Awarded Advanced Technology Program (ATP) Grant for US Shrimp Production
2003
Development of bio-secure shrimp maturation feed to replace natural food sources
2003
Introduced MonsterDiets™ performance line of pet foods
2004
Received Organic Certification for both U.S manufacturing facilities
2005
Developed first aquatic diets used for biomedical research
2008
Developed all-natural, bioactive feed additive for protection against pathogens
2009
Developed bio-secure 100% artemia replacement for diet for shrimp larvae
2010
Awarded SBIR NOAA Phase I Grant for commercial development of live feed replacements
2013
Wins National Exporter of the Year Award and “E” Award, Along with Regional and State International Trade Honors
2015
Celebrates 80 years of business
2015
Achieves GLOBALG.A.P. Certification for being at the forefront of quality assurance, product safety and sustainability
2016
(Z-ARC) The Zeigler Aquaculture Research Center provides a platform for applied feed performance evaluations.
2018
Dr. Thomas Zeigler honored with Lifetime Achievement Award from US Aquaculture Society.
