Calvert Research and Management

PresenceLearning makes live, online special education related services available to K-12 students around the United States. As the leader in the delivery of clinical services via the web, PresenceLearning has provided over 2.5 million teletherapy sessions. Services include speech-language therapy, occupational therapy, behavioral interventions and mental health services, assessments, and early childhood services.

LearnZillion provides educators with curricular products for the new standards in digital and print. Its platform offers access to instructional materials for mathematics and literacy, as well as provides task-implementation guides for teachers that enable students and teachers to get benefited from each other through interactive learning. LearnZillion was founded in 2011 and is based in Washington, District of Columbia.

groSolar provides turnkey engineering, procurement, and construction (EPC) solar photovoltaic (PV) projects for developers, financial, commercial, government, utility, and other institutional clients. groSolar has designed, built, installed, and procured equipment for more than 90 MW of solar PV systems from coast to coast and more than 2,000 installations.

Marrone Bio Innovations, Inc., a biopesticide company, engages in the discovery, development, and marketing of natural products for weed, pest, and plant disease management. Its products include Regalia, a product that protects food and ornamental crops from fungal and bacterial diseases; GreenMatch EX, a post-emergence herbicide for burndown weed control for organic growers; and GreenMatch, a burndown herbicide that controls various annual and perennial weeds. The company also offers insecticides, herbicides, and products for controlling invasive zebra and quagga mussels in waterways. In addition, it finds naturally occurring microorganisms from habitats and develops them into products for controlling insects, weeds, nematodes, and plant diseases. The company provides its products online. Marrone Bio Innovations, Inc. was founded in 2006 and is based in Davis, California.

Viracor-IBT Laboratories is dedicated to being the leading specialty diagnostics laboratory partner in allergy, immunology, and infectious disease testing. They provide doctors and hospitals the tests, results and support they need to deliver the best care possible, and they collaborate with pharmaceutical researchers to solve difficult problems and accelerate drug development.

groSolar provides turnkey engineering, procurement, and construction (EPC) solar photovoltaic (PV) projects for developers, financial, commercial, government, utility, and other institutional clients. groSolar has designed, built, installed, and procured equipment for more than 90 MW of solar PV systems from coast to coast and more than 2,000 installations.