Envigo provides essential research services, models and products for biopharmaceutical, crop protection, and chemical companies as well as universities, governments, and other research organizations. Our business is founded on a dedication to customer service and the expertise and experience of our 3,800 people.  With over 50 locations worldwide we are committed to helping customers realize the full potential of their research and products as we work together to build a healthier and safer world.

Our customers can be confident that Envigo is dedicated to understanding their challenges; appreciating their perspectives and helping them achieve their goals.

Envigo is a privately held global company with corporate headquarters in the United Kingdom and headquarters for its research models and services business in the United States.


Argus is the leading independent metals, energy and fertilizer price reporting and news analysis agency. Argus uses a precise and transparent methodology to assess spot and forward prices in the metals, crude oil, petroleum products, LPG, petrochemicals, bioenergy, electricity, natural gas, coal, emissions, transportation and fertilizers markets. Argus prices are used by market participants as indexes in physical contracts and as benchmarks in derivatives contracts.