Top Software and IT Companies in USA List by Market Cap as of August 2026

TriNet is a Professional Employer Organization. It offers access to human capital expertise, benefits, risk mitigation and compliance, payroll and real time technology. As per 2022 worksite employees are 3,300. The headquarters is in USA.

SPS Commerce is a Software and IT company and it provides Retail Supply Chain Automation Solutions. The company products are fulfilment, community, analytics, assortment, EDI testing and certification and sourcing. It is having more than 90,000 organizations worldwide. The headquarters is in USA.

Alarm.com Holdings is a Home Automation company. The headquarters is in USA.

Alarm.com creates innovative technology that keeps you connected with your home or business, giving you control, comfort, and peace of mind. Every day, over 6 millions active users and 6,000 Authorised Service Providers worldwide trust Alarm.com for dependable security, video monitoring and automation solutions.

Appian Corporation is a Multiple Enterprise Technology Markets company. The service are provide to the companies which are working in the sector of industry solutions, automotive and manufacturing, education, energy and utilities, financial services, government, healthcare payers and providers, insurance, life sciences and pharma, retail, telecom and media and transportation. The company revenue increase of $14.8 million and 62-72% faster development lifecycles. The headquarters is in USA.

Blackbaud is a Cloud Software company. It provide cloud software, services, expertise and data intelligence that empower and connect people to drive impact for social good. The Company serve the entire social good community which includes nonprofits, foundations, corporations, education institutions, healthcare institutions and the individual change agents. The headquarters is in USA.

J2 Global is a Internet Information and Services company. It reaches over 230 million people per month across its brands, has achieved 24 consecutive fiscal years of revenue growth and is an active acquirer of businesses, having deployed approximately $3 billion of acquisition capital since its founding and has over 4,000 employees around the world in more than 50 offices. The headquarters is in USA.

J2 Global is rebranded as Ziff Davis in August 2021.