> 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/california/construction/ # Construction firms in California Larger construction firms headquartered in California: who they are, what they run and how to reach their people. By Enrich.chat Editorial. Updated October 21, 2026. **Short answer:** Larger construction firms headquartered in California include DPR Construction, Tutor Perini, Rosendin, Granite Construction and EllisDon. Below are the tools that stand out, where they are based and how big they are. ## Which construction firms are headquartered in California? They include DPR Construction, Tutor Perini, Rosendin, Granite Construction and EllisDon. The table lists a selection in alphabetical order; names link to company profiles. | Company | Size | Tools detected | | --- | --- | --- | | ACCO Engineered Systems | 2,000 to 5,000 | 10 | | DPR Construction | 10,000 to 25,000 | 24 | | ECC | 2,000 to 5,000 | 11 | | EllisDon | 5,000 to 10,000 | 19 | | Granite Construction | 5,000 to 10,000 | 16 | | Legence | 2,000 to 5,000 | 17 | | Rosendin | 5,000 to 10,000 | 20 | | Southland Industries | 5,000 to 10,000 | 14 | | Swinerton | 2,000 to 5,000 | 22 | | Tutor Perini | 10,000 to 25,000 | 13 | | UCC Holding | 2,000 to 5,000 | 7 | ## What technology do construction firms in California 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 construction firms in California.** Bars for the share of listed construction firms in California where each tool was detected, with a tick for the share across everything listed: WordPress (self-hosted) 73% against 50%, NGINX 36% against 24%, Workday Recruiting 36% against 10%, HubSpot 27% against 13%, WP Engine 27% against 7%, Microsoft Azure Hosting 18% against 11%. *Share of listed construction firms in California where each tool was detected. The tick marks the share across all listed organizations.* ## Where in California are they based? The bars show the headquarters city of the listed construction firms. **Figure: Headquarters cities of construction firms in California.** Bars for the share of listed construction firms in California headquartered in each city: San Jose 18%, Redwood City 9%, Los Angeles 9%, Watsonville 9%, London 9%, Garden Grove 9%. *Share of listed construction firms in California by headquarters city.* ## How big are construction firms in California? The columns show how they spread across six size ranges. **Figure: Size of construction firms in California.** Six columns for the share of listed construction firms in California in each size range: 2-5K 45%, 5-10K 36%, 10-25K 18%, 25-50K 0%, 50-100K 0%, 100K+ 0%. *Share of listed construction firms in California in each size range.* ## More to explore Other industries in California: [Information technology and services](https://enrich.chat/companies-in/california/information-technology-and-services/)[Hospitals and health care](https://enrich.chat/companies-in/california/hospitals-and-health-care/)[Retail](https://enrich.chat/companies-in/california/retail/)[Entertainment](https://enrich.chat/companies-in/california/entertainment/)[Financial services](https://enrich.chat/companies-in/california/financial-services/)[Higher education](https://enrich.chat/companies-in/california/higher-education/)[Government administration](https://enrich.chat/companies-in/california/government-administration/)[Apparel and fashion](https://enrich.chat/companies-in/california/apparel-and-fashion/)[Medical devices](https://enrich.chat/companies-in/california/medical-devices/)[Research](https://enrich.chat/companies-in/california/research/)[All of California](https://enrich.chat/companies-in/california/) Construction elsewhere: [United States](https://enrich.chat/companies-in/united-states/construction/)[Brazil](https://enrich.chat/companies-in/brazil/construction/)[United Kingdom](https://enrich.chat/companies-in/united-kingdom/construction/)[France](https://enrich.chat/companies-in/france/construction/)[India](https://enrich.chat/companies-in/india/construction/)[Texas](https://enrich.chat/companies-in/texas/construction/)[Construction](https://enrich.chat/industries/construction/) ## How do you reach project executives, operations directors and estimating leaders at construction firms in California? 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 project executives, operations directors and estimating leaders at [company] in California, with titles and verified work emails ``` ## Frequently asked questions ### Which construction firms are headquartered in California? They include DPR Construction, Tutor Perini, Rosendin, Granite Construction and EllisDon. The page lists a selection with links to their profiles. ### What technology do construction firms in California use? Tools that stand out include WordPress (self-hosted), NGINX, Workday Recruiting and HubSpot. ### How big are construction firms in California? 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 project executives, operations directors and estimating leaders. Ask your AI agent to use www.enrich.chat to find them with verified work emails. ## Try this prompt Find project executives, operations directors and estimating leaders ```text Use www.enrich.chat to find project executives, operations directors and estimating leaders at [company] in California, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Software and technology services companies in California](https://enrich.chat/companies-in/california/information-technology-and-services/) - [Hospitals and health systems in California](https://enrich.chat/companies-in/california/hospitals-and-health-care/) - [Retailers in California](https://enrich.chat/companies-in/california/retail/) - [Entertainment companies in California](https://enrich.chat/companies-in/california/entertainment/) - [Construction firms in the United States](https://enrich.chat/companies-in/united-states/construction/) - [Construction firms in Brazil](https://enrich.chat/companies-in/brazil/construction/) - [Construction firms in the United Kingdom](https://enrich.chat/companies-in/united-kingdom/construction/) - [Construction firms in France](https://enrich.chat/companies-in/france/construction/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)