STEWART is a technically-based research and consulting organization with experience and capabilities in a broad range of technologies, products and businesses. The staff consists of highly trained professionals, the majority of which have scientific degrees with formal training and/or practical experience in chemistry, physiology, agronomic sciences, biology, toxicology, horticulture, quality control/assurance, regulatory affairs, finance, business and related fields.
STEWART was founded in 1975 near Macon, Missouri. This company conducts and coordinates research and regulatory field trials throughout North America, South America, Europe, Japan and Australia. The services provided by the company support client activities in discovery and development of agricultural chemical, biochemical, microbial, genetically modified organism and anti microbial products for agricultural, turf, ornamentals, horticultural, rangeland, forestry and industrial uses.

STEWART conducts and monitors GLP studies to fulfill federal and state data requirements for the registration of home & garden products, industrial products and agricultural production products, such as; pesticides, genetic materials, growth regulators and specialty chemicals.
STEWART’s technical and quality assurance personnel monitor product chemistry, ecological effects, environmental fate, toxicology, metabolism and exposure studies to assure data acceptability.

STEWART’s technical personnel serve as study directors and testing facility management.
STEWART’s international experience includes Canada, Mexico and other countries in Central America, South America, Europe, Japan and Australia. Global objective coordination can be achieved through our international affiliates.
STEWART is dedicated to excellence in servicing all clients’ needs in a productive, timely, cost-effective and confidential manner. The company is one hundred percent employee owned, resulting in a staff that places the highest priority on meeting client objectives and exceeding client expectations.