Iron Mountain Inc $1,806,334 American Tower Corp $1,170,830 Netscout Systems Inc $1,768,967 Astro Med Inc $314,829 Plug Power Inc $66,193 Iron Mountain Inc $1,806,334 American Tower Corp $1,170,830 Netscout Systems Inc $1,768,967 Astro Med Inc $314,829 Plug Power Inc $66,193