Top Security Software Companies in United States

Last updated: August 12, 2025 Country: USA Industry: Technology & Telecom Companies listed: 22

This B2B directory page highlights 22 companies in USA within the Technology & Telecom sector, helping you identify relevant suppliers, partners, and service providers faster.

Top Security Software Companies in United States

Discover the leading security software companies in the United States offering cutting-edge cybersecurity solutions. This up-to-date, trustworthy directory helps you find reliable software providers, saving time in your search for top-rated cybersecurity services tailored for businesses across the country.

  • Symantec Corporation – A global leader in cybersecurity software, Symantec provides endpoint protection, threat intelligence, and cloud security solutions. With over 35 years in the industry, they serve enterprises and government clients with award-winning products.
    Website: www.broadcom.com
    Contact: (650) 527-8000
    Address: 1320 Ridder Park Dr, San Jose, CA 95131
  • McAfee LLC – Specializes in endpoint security, cloud security, and threat prevention software. Serving customers nationwide for over 30 years, McAfee is recognized for reliable antivirus and data protection tools trusted by millions.
    Website: www.mcafee.com
    Contact: (888) 847-8766
    Address: 2821 Mission College Blvd, Santa Clara, CA 95054
  • CrowdStrike Inc. – Leading provider of cloud-native endpoint protection platforms and threat intelligence solutions. CrowdStrike, with over 10 years of experience, pioneers AI-driven cybersecurity to defend enterprises against sophisticated attacks.
    Website: www.crowdstrike.com
    Contact: (888) 512-8906
    Address: 150 Mathilda Pl, Sunnyvale, CA 94086
  • FireEye, Inc. – Offers advanced threat protection and incident response services. With strong expertise since 2004, FireEye’s security software helps organizations in the U.S. detect and neutralize cyber threats rapidly.
    Website: www.fireeye.com
    Contact: (855) 936-3743
    Address: 601 McCarthy Blvd, Milpitas, CA 95035
  • Carbon Black (VMware) – Delivers cloud-native endpoint security software focused on intrusion detection and response. Founded in 2002, Carbon Black integrates with VMware’s security offerings to protect U.S. businesses.
    Website: www.vmware.com
    Contact: (877) 486-9273
    Address: 350 Ellis St, Mountain View, CA 94043
  • Trend Micro Incorporated – Provides advanced threat defense and cloud security software for enterprises. Operating over 30 years, Trend Micro serves U.S. clients with solutions optimized for hybrid and multi-cloud environments.
    Website: www.trendmicro.com
    Contact: (877) 299-2317
    Address: 10101 N De Anza Blvd, Cupertino, CA 95014
  • Qualys, Inc. – Specializes in vulnerability management, compliance, and web application security software. Qualys has been trusted by U.S.-based enterprises since 1999 for real-time cloud security monitoring.
    Website: www.qualys.com
    Contact: (650) 801-6100
    Address: 1600 Bridge Parkway, Redwood City, CA 94065
  • Proofpoint, Inc. – Renowned for email security, threat intelligence, and data loss prevention software. Proofpoint protects communication channels for U.S. organizations with its award-winning phishing defense and compliance solutions.
    Website: www.proofpoint.com
    Contact: (408) 517-4710
    Address: 892 Ross Dr, Sunnyvale, CA 94089
  • Palo Alto Networks – Offers next-generation firewall, cloud security, and advanced endpoint detection software. Palo Alto Networks has led the U.S. cybersecurity market since 2005 with integrated security platforms.
    Website: www.paloaltonetworks.com
    Contact: (408) 753-4000
    Address: 3000 Tannery Way, Santa Clara, CA 95054
  • Rapid7, Inc. – Develops vulnerability management, penetration testing, and incident detection software used widely across the U.S. Rapid7 has consistently helped enterprises improve their cybersecurity posture for over 15 years.
    Website: www.rapid7.com
    Contact: (617) 247-1720
    Address: 100 Summer St, Boston, MA 02110
  • Varonis Systems – Specializes in data security and analytics software focused on protecting enterprise data from insider threats. Since 2005, Varonis serves U.S. companies with scalable solutions for data governance.
    Website: www.varonis.com
    Contact: (212) 796-4400
    Address: 125 Broad St, New York, NY 10004
  • Forcepoint LLC – Provides cloud access security broker (CASB) and data protection software designed for U.S. organizations. With roots dating back to 1994, Forcepoint offers comprehensive cybersecurity solutions with a proven track record.
    Website: www.forcepoint.com
    Contact: (866) 960-8676
    Address: 11220 New Hope Rd, Raleigh, NC 27617
  • Okta, Inc. – Leading identity and access management software provider for enterprises across the U.S. Okta’s platform supports secure user authentication and lifecycle management with over a decade of cybersecurity expertise.
    Website: www.okta.com
    Contact: (888) 722-7871
    Address: 100 First St, San Francisco, CA 94105
  • Proofpoint – Specializes in email security, cloud security, and compliance software with robust cyber threat defense capabilities. Serving U.S. clients since 2002, Proofpoint offers award-winning cybersecurity solutions to businesses of all sizes.
    Website: www.proofpoint.com
    Contact: (408) 517-4710
    Address: 892 Ross Dr, Sunnyvale, CA 94089
  • Tenable, Inc. – Focuses on vulnerability management software that helps businesses across the U.S. identify and remediate security risks. Founded in 2002, Tenable is praised for its Nessus vulnerability scanner and cloud solutions.
    Website: www.tenable.com
    Contact: (301) 500-2555
    Address: 6100 Stevenson Ave, Suite 400, Alexandria, VA 22304
  • Bitdefender LLC – Offers advanced threat prevention and endpoint security software for U.S. markets. Bitdefender’s cybersecurity solutions focus on AI-based detection and multi-layered protection with over 15 years of experience.
    Website: www.bitdefender.com
    Contact: (888) 944-0387
    Address: 12390 El Camino Real, San Diego, CA 92130
  • SentinelOne, Inc. – Provides autonomous endpoint protection software leveraging AI to prevent, detect, and respond to cyber threats rapidly. Trusted by U.S. enterprises, SentinelOne was founded in 2013 and has won several innovation awards.
    Website: www.sentinelone.com
    Contact: (877) 398-4645
    Address: 610 16th St, San Francisco, CA 94107
  • Imperva Inc. – Specializes in data and application security software designed to protect digital assets for U.S. businesses. Imperva’s offerings include DDoS protection and web application firewalls with over 20 years of cybersecurity expertise.
    Website: www.imperva.com
    Contact: (866) 926-4678
    Address: 3400 Bridge Pkwy, Redwood City, CA 94065
  • Darktrace, Inc. – Cyber AI leader providing autonomous cyber defense software to U.S. organizations. Darktrace’s innovative machine learning solutions protect networks, cloud environments, and IoT devices with a proactive approach.
    Website: www.darktrace.com
    Contact: (415) 223-3000
    Address: 100 Pine St, San Francisco, CA 94111
  • CyberArk Software Ltd. – Provides privileged access management and security software tailored to safeguard critical assets for U.S. enterprises. CyberArk has earned global recognition over 20+ years of cybersecurity innovation.
    Website: www.cyberark.com
    Contact: (203) 272-2590
    Address: 150 Allen Rd, Ann Arbor, MI 48103
  • Check Point Software Technologies – Offers comprehensive cybersecurity software including firewalls, VPN, and endpoint security for U.S. businesses and government agencies. Operating for over 25 years, Check Point is a trusted global leader.
    Website: www.checkpoint.com
    Contact: (877) 838-7878
    Address: 800 Bridge Pkwy, Redwood City, CA 94065
  • Splunk Inc. – Provides security information and event management (SIEM) software widely adopted by U.S. enterprises for threat detection and operational intelligence. Splunk’s analytics-powered solutions have been industry staples since 2003.
    Website: www.splunk.com
    Contact: (415) 848-8400
    Address: 270 Brannan St, San Francisco, CA 94107


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