> Enrich.chat gives AI agents verified work emails and mobiles. To use it from an agent, read https://enrich.chat/agents.md . This is the Markdown version of https://enrich.chat/companies-in/washington/information-technology-and-services/ # Software and technology services companies in Washington Larger software and technology services companies headquartered in Washington: who they are, what they run and how to reach their people. By Enrich.chat Editorial. Updated October 21, 2026. **Short answer:** Larger software and technology services companies headquartered in Washington include Amazon, Microsoft, iSoftStone, Coupang and Avanade. Below are the tools that stand out, where they are based and how big they are. ## Which software and technology services companies are headquartered in Washington? They include Amazon, Microsoft, iSoftStone, Coupang and Avanade. The table lists a selection in alphabetical order; names link to company profiles. | Company | Size | Tools detected | | --- | --- | --- | | Aegis | 2,000 to 5,000 | 3 | | [Amazon](https://enrich.chat/company/amazon/) | 100,000+ | 27 | | [Appen](https://enrich.chat/company/appen/) | 10,000 to 25,000 | 116 | | [Avanade](https://enrich.chat/company/avanade/) | 50,000 to 100,000 | 42 | | Centific | 2,000 to 5,000 | 5 | | Concur | 10,000 to 25,000 | 56 | | [Coupang](https://enrich.chat/company/coupang/) | 50,000 to 100,000 | 25 | | [Expedia Group](https://enrich.chat/company/expedia-group/) | 10,000 to 25,000 | 29 | | Icertis | 2,000 to 5,000 | 28 | | [iSoftStone](https://enrich.chat/company/isoftstone/) | 50,000 to 100,000 | 7 | | [Microsoft](https://enrich.chat/company/microsoft/) | 100,000+ | 27 | | People Tech Group | 2,000 to 5,000 | 19 | | Qualtrics | 5,000 to 10,000 | 78 | | Smartsheet | 2,000 to 5,000 | 104 | | Tableau Software | 2,000 to 5,000 | 78 | | Tanium | 2,000 to 5,000 | 44 | | Veeam Software | 5,000 to 10,000 | 67 | | Zones | 2,000 to 5,000 | 6 | | ZoomInfo Technologies | 2,000 to 5,000 | 332 | ## What technology do software and technology services companies in Washington use? These tools stand out among them: each is detected more often here than across all the organizations listed. The tick on each bar marks that wider average. **Figure: Tools that stand out among software and technology services companies in Washington.** Bars for the share of listed software and technology services companies in Washington where each tool was detected, with a tick for the share across everything listed: Bizible (Adobe Marketo Measure) 32% against 1%, Content.ad 26% against 1%, SmartRecruiters 16% against 1%, Inspectlet 11% against 0%, Qualaroo 11% against 0%, SilkRoad 11% against 0%. *Share of listed software and technology services companies in Washington where each tool was detected. The tick marks the share across all listed organizations.* ## Where in Washington are they based? The bars show the headquarters city of the listed software and technology services companies. **Figure: Headquarters cities of software and technology services companies in Washington.** Bars for the share of listed software and technology services companies in Washington headquartered in each city: Seattle 37%, Bellevue 21%, Redmond 16%, Kirkland 16%, Vancouver 5%, Auburn 5%. *Share of listed software and technology services companies in Washington by headquarters city.* ## How big are software and technology services companies in Washington? The columns show how they spread across six size ranges. **Figure: Size of software and technology services companies in Washington.** Six columns for the share of listed software and technology services companies in Washington in each size range: 2-5K 47%, 5-10K 11%, 10-25K 16%, 25-50K 0%, 50-100K 16%, 100K+ 11%. *Share of listed software and technology services companies in Washington in each size range.* ## More to explore Other industries in Washington: [Government administration](https://enrich.chat/companies-in/washington/government-administration/)[All of Washington](https://enrich.chat/companies-in/washington/) Information technology and services elsewhere: [United States](https://enrich.chat/companies-in/united-states/information-technology-and-services/)[California](https://enrich.chat/companies-in/california/information-technology-and-services/)[India](https://enrich.chat/companies-in/india/information-technology-and-services/)[United Kingdom](https://enrich.chat/companies-in/united-kingdom/information-technology-and-services/)[France](https://enrich.chat/companies-in/france/information-technology-and-services/)[Brazil](https://enrich.chat/companies-in/brazil/information-technology-and-services/)[Germany](https://enrich.chat/companies-in/germany/information-technology-and-services/)[New York](https://enrich.chat/companies-in/new-york/information-technology-and-services/)[Texas](https://enrich.chat/companies-in/texas/information-technology-and-services/)[China](https://enrich.chat/companies-in/china/information-technology-and-services/)[Information technology and services](https://enrich.chat/industries/information-technology-and-services/) ## How do you reach CTOs, CIOs and heads of engineering at software and technology services companies in Washington? Pick an organization from the table, then ask your AI agent for the people in the roles you sell to. ```text Use www.enrich.chat to find CTOs, CIOs and heads of engineering at [company] in Washington, with titles and verified work emails ``` ## Frequently asked questions ### Which software and technology services companies are headquartered in Washington? They include Amazon, Microsoft, iSoftStone, Coupang and Avanade. The page lists a selection with links to their profiles. ### What technology do software and technology services companies in Washington use? Tools that stand out include Bizible (Adobe Marketo Measure), Content.ad, SmartRecruiters and Inspectlet. ### How big are software and technology services companies in Washington? They range from about 2,000 employees to well over 100,000. The columns on this page show the spread. ### Who do you sell to? Usually CTOs, CIOs and heads of engineering. Ask your AI agent to use www.enrich.chat to find them with verified work emails. ## Try this prompt Find CTOs, CIOs and heads of engineering ```text Use www.enrich.chat to find CTOs, CIOs and heads of engineering at [company] in Washington, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Government agencies in Washington](https://enrich.chat/companies-in/washington/government-administration/) - [Software and technology services companies in the United States](https://enrich.chat/companies-in/united-states/information-technology-and-services/) - [Software and technology services companies in California](https://enrich.chat/companies-in/california/information-technology-and-services/) - [Software and technology services companies in India](https://enrich.chat/companies-in/india/information-technology-and-services/) - [Software and technology services companies in the United Kingdom](https://enrich.chat/companies-in/united-kingdom/information-technology-and-services/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)