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Ramtronix Inc is a Deer Park, NY-based company in the Business Services sector.
MADI - Innovative Lineman Tools is a Greenville, SC-based company in the Business Services sector.
Helios Global is a Arlington, VA-based company in the Business Services sector.
Oberlander Communications Systems is a Peoria, IL-based company in the Business Services sector.
BitGo is the leading Bitcoin security platform and a pioneer of multi-sig technology. The company offers an enterprise-grade, multi-sig, multi-user Bitcoin wallet, as well as API access to its underlying security platform. BitGo was founded by Mike Belshe and Ben Davenport, veterans in online security, digital currency, and financial technology. Investors and advisors include elite Silicon Valley venture capitalists and angels, and Bitcoin industry insiders who have backed successful companies like PayPal, Netscape, Red Hat, Proofpoint, Verisign, Juniper Networks, Yammer, and Tesla.