BOSTON--(BUSINESS WIRE)-- #IIoT--Aperio Systems today announced the close of an $8.5 million Series A funding round led by National Grid Partners, the venture investment and innovation arm of National Grid plc., one of the largest investor-owned energy companies in the world. Aperio will use the investment to scale its industry-first Industrial Internet of Things (IIoT) data integrity solution, which enables organizations to reduce operational expenses, make better-informed strategic business decisions.