The award honors UK-based companies for outstanding achievement in innovation, international trade, sustainable development or promoting opportunity through social mobility.
Raw pet food sales grew from US$117 million to US$393 million between 2012 and 2016 in the United States, according to Maria Lange, business group director for market research firm GfK.
The lab tested for 130 potentially toxic industrial and environmental chemicals, including the dangerous heavy metals arsenic, cadmium, lead and mercury.
While many of the same topics continued from 2014 to 2017, such as pet food marketing and sales, new technologies and trends have altered the focus on those issues.