contact name: John Gilmartin
contact job function details: co ceo
contact job function:
contact job title: Co-chief Executive Officer
contact job seniority: c_suite
contact person city:
contact person state:
contact person country:
contact person zip code:
business name: GROUP ONE TRADING LLC
business domain: group1.com
business facebook URL:
business linkedin: http://www.linkedin.com/company/224696
business twitter:
business website: http://www.group1.com
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business angellist:
business found year: 1989
business city: Chicago
business zip code:
business state: Illinois
business country: United States
business language: English
business employee: 86
jamie miller chief executive officer
business category: finance
business specialty: trading, market making, technology, financial services
business technology: outlook,amazon_aws,microsoft-iis,nginx,wordpress_com,google_font_api,asp_net,wordpress_org,bootstrap_framework,google_maps,google_analytics,mobile_friendly,applicant_pro
business description: