Leading CROs for Corn and Maize Research Trials
Find specialized CROs conducting corn and maize research trials. Compare capabilities, locations, and expertise in hybrid testing, disease screening, and agronomic evaluation.
Corn and maize research trials demand specialized expertise in germplasm evaluation, hybrid performance testing, and agronomic assessment across diverse environmental conditions. The CROs listed here have demonstrated capabilities in managing complex corn trial programs, from early-generation breeding support to multi-location commercial hybrid evaluations.
Key Considerations When Selecting Corn Trial CROs
- Geographic coverage: Testing across multiple climate zones, soil types, and elevation ranges to capture genotype-by-environment interactions
- Hybrid evaluation experience: Proven protocols for conventional, biotech, and stacked-trait hybrids including proper isolation and identity preservation
- Disease and pest screening: Established methodologies for corn rootworm, gray leaf spot, northern corn leaf blight, and Goss's wilt resistance evaluations
- Trait characterization: Experience with herbicide tolerance, insect resistance, and drought tolerance trait expression studies
Common Corn Research Services
Specialized corn CROs typically offer germplasm screening and selection support, breeding nursery management, regulatory efficacy trials for trait deregulation, commercial hybrid performance trials, seed production protocols, and post-harvest quality analysis. Many organizations also provide complementary services in soybean research and work closely with research CROs focused on breeding programs.
Regional Expertise Matters
Corn production environments vary significantly between North American corn belt regions, South American tropical systems, and European growing conditions. Select CROs with demonstrated experience in your target production regions for the most relevant agronomic insights.
Corn Research CROs
Browse 59 specialized contract research organizations offering corn research trials and field testing services.
Corn CROs at a Glance
What the 59 organizations listing corn trials offer and where they work, from their directory profiles.
Trial types offered
- Performance Trials54 of 59
- Early Development Trials44 of 59
- Variety Testing43 of 59
- Regulated Efficacy Trials (GEP)40 of 59
- Demonstration Trials33 of 59
- Regulatory Studies (GLP)33 of 59
- Concept Testing31 of 59
- On-Farm Research Network19 of 59
Regions covered
- Corn Belt14 of 59
- Northern Plains11 of 59
- Southeast11 of 59
- Pacific10 of 59
- Mountain9 of 59
- Southern Plains9 of 59
- Western Canada9 of 59
- Lake States7 of 59
- Northeast6 of 59
- Delta States5 of 59
- Eastern Canada5 of 59
- Appalachian3 of 59

ABG Ag Services
An agricultural contract research and specialty data collection business specializing in contract agronomic research services on Midwestern crops in Indiana and South Dakota, with over 50 years of agricultural experience. Services include product efficacy, GLP, APHIS regulated trials, and product/concept demonstrations across several thousand acres of farmland.
Agile Ag
At Agile Ag, our mission is to empower our client's research, development, production and marketing goals through agile and innovative solutions. We strive to deliver measurable results that enhance quality, increase efficiency and drive growth. We are a CRO with field stations in western Canada: BC, AB, SK and MB and greenhouse facilities in BC and SK. Agile Ag offers a diverse range of services including PMRA and CFIA regulatory services and protocol development, product efficacy trials on pesticides, fertilizers, biostimulants, soil amendments, adjuvants, GLP field MOR and TFD trials, greenhouse GLP and efficacy trials, CFIA-regulated trials including PNT, and pathology lab services.

Ag Metrics Group
Ag Metrics Group is the preeminent agricultural Contract Research Organization (CRO) in the United States, delivering superior research quality, scientific rigor, and client-focused service across diverse growing regions. With a legacy rooted in scientific excellence and innovation, Ag Metrics Group sets the industry standard for field, greenhouse, and laboratory trials that support product development, regulatory approval, and commercialization for the world’s leading agricultural input companies. Ag Metrics Group comprises three regionally focused research companies — Pacific Ag Research, Florida Ag Research, and Michigan Ag Research — each strategically located to provide comprehensive trial coverage across the West, Southeast, and Midwest. This coast-to-coast footprint allows Ag Metrics Group to offer seamless multi-location trial management across a wide range of crops, soil types, climates, and regulatory environments. Pacific Ag Research, headquartered in San Luis Obispo, California, is recognized for its deep expertise in specialty crops, precision ag tools, and large-scale demonstration trials across the West Coast. Florida Ag Research, based in Thonotosassa, serves the Southeast U.S. with robust capabilities in tropical and subtropical crops, including citrus, strawberries, and vegetables, with strengths in entomology, plant pathology, and pest resistance screening. Michigan Ag Research, located in the heart of the Midwest, provides essential trial work in row crops, grapes, and fruit trees with a strong focus on disease, pest, and abiotic stress management under temperate growing conditions. Ag Metrics Group is trusted by global innovators to generate reliable data, accelerate time-to-market, and demonstrate real-world product efficacy. With decades of experience, a team of highly credentialed scientists, and a reputation for professionalism and precision, Ag Metrics Group is the CRO of choice for agricultural advancement in the United States.
Ag-Quest
Agricultural contract research organization (CRO) specializing in field trials and research excellence since 1983, providing top quality, cost-effective research to the Agricultural Industry. Services include efficacy and tolerance product evaluations, variety/plant breeding trials, environmental fate studies, and herbicide resistance testing.
Agrality
Global solutions for the agroindustry providing services for the global agribusiness community, particularly for research, development, pre-commercial and commercial sectors. Services include biotechnology services, regulatory affairs, breeding & field testing, seed production, and seed processing & conditioning.
AgraServ
Agricultural research company specializing in pesticide residue trials, efficacy trials, and GMO/APHIS regulated trials. Conducts research on fungicides, herbicides, insecticides, fertilizers, and growth regulators across various crops including alfalfa, canola, potatoes, sugar beets, and wheat.

Alpha Ag Research
Since 2010, Alpha Ag Research has been a leading Contract Research Organization (CRO) dedicated to delivering reliable, high-quality field trial solutions for agricultural innovators. Strategically located in northwest Iowa, the heart of corn and soybean production, our experienced team specializes in efficacy field trials for a wide range of products, including biologicals, nutrient use efficiency solutions, and crop protection products across all application types and formulations. With extensive expertise in testing biostimulants—such as inorganic compounds, microbial extracts, seaweed extracts, biopolymers, organic acids, rhizosphere fungi, nutrient-cycling inoculants, PGR rhizobacteria, protein hydrolysates, and other signaling agents—Alpha Ag Research is a trusted partner in the industry. We provide comprehensive contract research services to support the development of novel agricultural products and cutting-edge technologies. Our commitment to research integrity, confidentiality, and rapid-response data systems ensures that we deliver actionable insights to drive your innovation forward. As an independent CRO, we tailor our services to meet the unique needs of seed and technology companies, offering innovative solutions to help grow your business into the next decade. Choose Alpha Ag Research for our expertise, dedication to quality, and a client-focused approach to field research.
Apex Custom Research Enterprises
Full service contract research organization that specializes in multi-location advanced testing, plant breeding and custom research. Located in Northeast Nebraska with capability to reach many of the Western portions of the corn belt. Offers services from small plot to multi-location advanced trials.
Bennett Agricultural Research Corp.
Small contract agricultural research company located in Southeast Iowa, specializing in product efficacy evaluation, multispecies screens, product residue testing, yield trials, environmental fate studies, EUP trials, transgenic crops, soil dissipation, and demonstration/perception plots.

Buckeye AG Testing, Inc.
Full-service contract research organization headquartered in Troy, Ohio with multiple testing locations throughout Western Ohio. Specializes in yield/variety trials, regulated/stewarded studies, silage trials, efficacy trials (in-furrow, dry broadcast, foliar applications, seed treatments, biostimulants), field day events and demonstration plots.
California Agriculture Science, LLC
Full-service research operation serving the Sacramento Valley, Northern San Joaquin Valley, and Salinas Valley. Partners with local commercial farmers to conduct field trials under real-world conditions. Services include testing seed and soil treatments, precision planting, biological, synthetic, and organic products.
Carringer Agricultural Research Service, Inc.
Established in 2007, specializing in regulated GM crops and international GLP studies. Over 70 GLP field studies with more than 800 field trials conducted in North America, Latin America, and South Africa. Full-service research management organization with expertise in GMO field trials.
Crop Management Strategies, Inc.
Agricultural and environmental research & consulting firm established in 1985. Provides high quality efficacy, EPA-GLP and USDA-APHIS compliant field research services in the Northeastern U.S., specifically EPA Regions I & II. Over 100 years of combined agricultural experience among staff.
Diamond Ag Research
Diamond Ag Research is a Contract Research Organization founded in 1995, with new ownership taking over in 2023. Diamond Ag Research specializes in GLP residue trials, efficacy and yield trials, and biotechnology seed and research development. Based in Central Kansas, they conduct trials on multiple field sites (dryland and irrigated) in EPA Regions V and VIII, offering services for a wide variety of crops under complete client confidentiality.
Diligence Technologies
Contract agricultural research company founded in 2003, offering field and greenhouse trials on major crops including corn, cotton, soybean, and wheat, as well as specialty crops like mustard greens, radishes, and turf. Services include pest control, plant growth, and product formula testing, with locations in both Jackson and Memphis areas of West Tennessee. Dedicated to providing quality research that meets customer needs.

Eurofins Agroscience Services
Eurofins Agroscience Services is the agricultural contract research business of Eurofins. It runs field, greenhouse, and laboratory studies on the safety and efficacy of chemical and biological crop protection products, and its in-house team handles regulatory registration. In the U.S. it runs field efficacy, GLP residue, dissipation, pollinator, and worker exposure studies from sites in Indiana, North Carolina, California, Missouri, and Maryland. It also has trial sites in Europe, Brazil, Chile, Australia, and New Zealand, and works for crop protection manufacturers, agri-tech companies, plant breeders, and the seed industry.
FarmForest Research Inc.
FarmForest Research is an innovative and committed life sciences company serving the agricultural sector. Based in Ontario, Canada, they offer an international research and development service, conducting field trials, seed trials, greenhouse trials and efficacy testing of agricultural products.
Gillilan Ag Research
Gillilan Ag Research is committed to conducting trials of the highest quality and standards. They offer GLP & regulatory field testing with access to 3 EPA regions, as well as efficacy and performance trials across multiple crop types. The company has experienced team members with decades of agricultural research expertise.
Great Lakes Ag-Research Service
Great Lakes Agricultural Research Service, Inc. provides high quality, confidential field research in Wisconsin and Illinois. Established in 1987, they conduct GLP residue studies, biotech trials, and pesticide/agronomic efficacy studies. With 330 acres on-site and multiple off-site locations, they offer diverse soil types and extensive crop testing capabilities.
Hubbard Agricultural Science
Full-service research organization established in 1997, serving Montana, Idaho, Washington, and California. With a team of 15 professionals, they specialize in agricultural science and field trials, leveraging partnerships with local farmers to conduct comprehensive testing across diverse environments.

Insight Plant Health Corp.
Insight Plant Health was created in 2020 to offer fully customizable contract laboratory research services for biological products in agriculture. Whether a biocontrol, biostimulant, or fertility product on seed, foliar, or in furrow, Insight has the expertise and experience to develop the data you need. Our dedicated team develops commercial products with gram positive, gram negative, and fungal actives including liquids, wettable powders, and planter box formulations for our customers. We conduct in vitro and in planta screens of customer products against our in-house collection of over 80 plant pathogens. Insight characterizes customer biological products for their ability to fix nitrogen and solubilize phosphate, and shows how the products work to transfer those nutrients to crop plants. We have conducted thousands of seed treatment and tank mix compatibility studies to provide in-tank and on-seed timing for our customers. With over 35 years combined experience in the testing and development of ag biologicals, Insight Plant Health can provide the support you need to register, market, and sell your products. Insight develops the data – you own the IP.

J19 Agriculture LLC
An independent agricultural consultancy specializing in on-farm research, product evaluation, protocol development, and field trials across the Mississippi Delta region. J19 Agriculture conducts specialized field trials and agronomic research for agricultural technology companies and crop protection firms.
Lange Research and Consulting
Agricultural research and consulting organization with research stations across five EPA regions in the United States. Acquired Great Plains Crop Services in 2024, expanding their field capabilities. Provides a broad range of field, greenhouse, and laboratory studies including efficacy, GLP residue, post-harvest, dissipation, pollinator health, field volatility/drift, post-application transfer from textiles, and worker exposure studies across the US.

Mosier Ag Research and Consulting, LLC
Mosier Ag Research is committed to conducting field trials of the highest quality and standards. We offer testing and evaluating efficacy and performance trials across multiple crops as well as regulatory GMO field trials. The company has decades of agricultural research expertise and experience in all phases of field research trials. Mosier Ag Research is located approximately 30-miles south of Overland Park, KS along highway 69. Over the last 4-6 years, about 50% of our research has focused on biological fertilizers, biological additives for pest control trials, biological herbicides, insecticides, fungicides, seed treatments, and "at plant" in-furrow types of applications and variety selection trials.
NE Ag Research
Agricultural research organization conducting field trials on various crops with facilities in York, Nebraska and additional sites in EPA region 7. They provide GLP and GEP field studies for crop protection products, fertilizers, and genetically modified seed varieties. The company operates on silt loam soils near York with access to 500 acres under overhead sprinkler irrigation, plus additional sites with sandy loam, clay loam, and loamy sand soils.
New-Marc Research Inc.
An agricultural and environmental research company located in St-Marc-sur-Richelieu, Quebec, Eastern Canada, managed by Robert Malouin with over 15 years of experience in agricultural research. New-Marc Research covers PMRA and EPA zones 5, 5A & 5B and is a Standard Council of Canada GLP-recognized facility (Facility No. 700) for pesticide residue studies. Offering high quality data and research services for GLP, efficacy and confined/stewarded (Biotech) studies.

Performance Crop Research
Performance Crop Research (PCR) is located in Great Bend, Kansas and operates as an independent crop research facility with access to 3,000 acres. PCR has both dryland and irrigated capabilities as well as a small indoor greenhouse. Founded in 2018 to answer a need of conducting high-quality, timely research in the Kansas area. PCR continues to grow to meet the demands of the clients and research community needs on a variety of crops and products.

Range And Row
A specialized agricultural research service company offering custom field trials, regulated field monitoring, specialty productions, and consulting services. Focused on attention-to-detail and customer service for plant breeding, biotechnology research, and specialty agriculture production.

RD4AG
Offering specialized agricultural field trial services conducting precise testing for crop protection, product development, and GLP registration. With locations in Arizona's desert climate and northwestern Montana, they provide year-round testing capabilities across diverse crops and technologies.
Small Plot Inc.
A specialized agricultural research company focusing on replicated research plots, demo plots for retail and industry, and small scale custom combining. Their team has extensive experience in small plot research with capabilities including randomized complete block design trials for various crops.

TapRoot Research
TapRoot Research Ltd conducts small plot RCBD research in cereals, oilseeds, soybeans, corn and sunflowers. We work with academia, government and industry companies on crop protection product evaluation (efficacy and tolerance), varietal evaluation and development and product and variety demonstration trials. Our research services include trial coordination, trial execution, trial consultation, data management and product registration.

Vision Research Park
Vision Research Park has the capability to conduct field-scale or small plot research in a no-till or conventional till environment. We conduct research with seed treatments, herbicides, inoculants, insecticides, fungicides, fertilizer, biologicals, variety development, crop rotations and production equipment. Our research staff has vast experience working with dozens of companies and all crops commonly grown in north west and central ND. Research highlights include: - Access to over 200,000 acres of northwestern North Dakota cropland with varied soil type and cropping history - 36 acres of small plot research land - Well-equipped small plot drill with variable rate dispersion and combine that records on-the-go harvest data - Feed and grain analyzer capable of determining protein, starch and fatty acid composition and an oilseed analyzer
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