Iron Mountain Inc $1,668,992 American Tower Corp $1,185,793 Netscout Systems Inc $1,500,817 Astro Med Inc $334,039 Plug Power Inc $75,488 Iron Mountain Inc $1,668,992 American Tower Corp $1,185,793 Netscout Systems Inc $1,500,817 Astro Med Inc $334,039 Plug Power Inc $75,488