EghtesadOnline: Dyson Ltd. continues to prove making high-priced vacuum cleaners is a lucrative and growing business.

EghtesadOnline: There are idyllic corporate campuses, and then there’s the thing Dyson Ltd. built. Nestled in the English countryside are massive research and development centers, top secret labs and various toys that founder James Dyson collected over the years, including a helicopter in the parking lot and a jet plane in the cafeteria.