> 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/san-diego-ca/construction/ # Construction Companies in San Diego, CA The bigger construction companies headquartered in San Diego, CA, with what they do, their sizes and how to reach their people. By Enrich.chat Editorial. Updated October 22, 2026. **Short answer:** Among the construction companies counted in San Diego, CA, the biggest by headcount range include Helix Electric, Pacific Steel Group and A.O. Reed & Co. They are mostly very small: 80% have 50 or fewer employees. ## Which construction companies are in San Diego? Among the companies whose public profile lists Construction as their industry and San Diego, CA as their headquarters, the biggest by headcount range include Helix Electric, Pacific Steel Group, A.O. Reed & Co, Jb Pacific and T.B. Penick And Sons. Names link to a company profile where we have one. | Company | Employees | | --- | --- | | Helix Electric | 1,001 to 5,000 | | Pacific Steel Group | 1,001 to 5,000 | | A.O. Reed & Co | 501 to 1,000 | | Jb Pacific | 201 to 500 | | T.B. Penick And Sons | 201 to 500 | | Jackson & Blanc | 201 to 500 | | Cmd Electric | 201 to 500 | | Soltek Pacific | 201 to 500 | | Atlas Construction Supply | 201 to 500 | | Jw Floor Covering | 201 to 500 | | Harper Construction | 51 to 200 | | Gafcon | 51 to 200 | | Mitsubishi Elevators | 51 to 200 | | Pacific Building Group | 51 to 200 | | Davisreed Construction | 51 to 200 | | Hill Construction | 51 to 200 | | Lb3 Enterprises | 51 to 200 | | Agorus | 51 to 200 | | Atlas Mechanical | 51 to 200 | | Strategic Operations | 51 to 200 | | Nawic San Diego Chapter 21 | 51 to 200 | | Nautilus General Contractors | 51 to 200 | | Jackson Design And Remodeling | 51 to 200 | | Montbleau & Associates | 51 to 200 | | Symons Fire Protection | 51 to 200 | The table shows the 25 biggest by headcount range, with ties broken by audience size. The charts and percentages below cover every company counted for this page, not just these 25, and companies with fewer than 11 employees are not counted. Headquarters is the location on each company's public profile. ## What do construction companies in San Diego do? Construction is a broad label. The most common NAICS codes among them are 236220 (15%), 236115 (7%) and 236116 (7%). **Figure: What construction companies in San Diego do.** Bars for the share of counted construction companies with each code: 236220 15%, 236115 7%, 236116 7%, 236118 6%, 238220 6%, 237310 5%, 238320 5%. *Share of counted construction companies in San Diego by their NAICS code.* [NAICS 236220](https://enrich.chat/naics/236220/)[NAICS 236115](https://enrich.chat/naics/236115/)[NAICS 236116](https://enrich.chat/naics/236116/)[NAICS 236118](https://enrich.chat/naics/236118/)[NAICS 238220](https://enrich.chat/naics/238220/)[NAICS 237310](https://enrich.chat/naics/237310/)[NAICS 238320](https://enrich.chat/naics/238320/) ## How big are they? 80% of the construction companies counted in San Diego have 50 or fewer employees, and the middle one is in the 11 to 50 range. Companies with fewer than 11 employees are not counted. **Figure: Size of construction companies in San Diego.** Seven columns for the share of counted construction companies in San Diego in each employee range: 11 to 50 80%, 51 to 200 17%, 201 to 500 2%, 501 to 1,000 0%, 1,001 to 5,000 0%, 5,001 to 10,000 0%, 10,001+ 0%. *Share of counted construction companies in San Diego in each employee range.* ## How old are they? Most were founded in the 2010s (27%), then the 2000s (25%). **Figure: When construction companies in San Diego were founded.** Eight columns for the share of counted construction companies in San Diego founded in each era: Before 1960 6%, 1960s 2%, 1970s 7%, 1980s 15%, 1990s 14%, 2000s 25%, 2010s 27%, 2020s 5%. *Share of counted construction companies in San Diego by the era they were founded in, for the ones that list a founding year.* ## How construction companies compare - 80% of construction companies in San Diego have 50 or fewer employees, against 71% across other cities on this site. - 31% were founded in 2010 or later, against 54% across other cities on this site. ## How do you reach the people at construction companies in San Diego? The people to talk to are usually owners, operations and procurement leaders. Build the list in three prompts to your AI agent. ### 1. Count them (free) Counting who matches never uses credits. ```text Use www.enrich.chat to count the construction companies in San Diego, CA ``` ### 2. Find the people (5 credits per person) Name the roles you sell to. Each person returned is 5 credits, and name, title and company are included. ```text Use www.enrich.chat to find the owners, operations and procurement leaders at construction companies in San Diego, CA, with their titles ``` ### 3. Get their work emails (10 credits each) An email is 10 credits only when one is found. Every email comes with a status: verified, catch-all or unknown. ```text Use www.enrich.chat to find the work emails for these people and tell me which ones are verified ``` ## More to explore Other industries in San Diego: [Software Companies](https://enrich.chat/companies-in/san-diego-ca/software-development/)[Real Estate Companies](https://enrich.chat/companies-in/san-diego-ca/real-estate/)[Advertising Agencies](https://enrich.chat/companies-in/san-diego-ca/advertising-services/)[IT Services Companies](https://enrich.chat/companies-in/san-diego-ca/it-services-and-it-consulting/)[Biotechnology Companies](https://enrich.chat/companies-in/san-diego-ca/biotechnology-research/)[Financial Services Companies](https://enrich.chat/companies-in/san-diego-ca/financial-services/)[Hospitals and Health Care Organizations](https://enrich.chat/companies-in/san-diego-ca/hospitals-and-health-care/)[Nonprofit Organizations](https://enrich.chat/companies-in/san-diego-ca/non-profit-organizations/)[Technology and Internet Companies](https://enrich.chat/companies-in/san-diego-ca/technology-information-and-internet/)[Consulting Firms](https://enrich.chat/companies-in/san-diego-ca/business-consulting-and-services/)[Insurance Companies](https://enrich.chat/companies-in/san-diego-ca/insurance/)[Staffing and Recruiting Firms](https://enrich.chat/companies-in/san-diego-ca/staffing-and-recruiting/)[Electrical and Electronics Manufacturers](https://enrich.chat/companies-in/san-diego-ca/appliances-electrical-and-electronics-manufacturing/)[Architecture Firms](https://enrich.chat/companies-in/san-diego-ca/architecture-and-planning/)[Legal Services Firms](https://enrich.chat/companies-in/san-diego-ca/legal-services/)[Colleges and Universities](https://enrich.chat/companies-in/san-diego-ca/higher-education/)[Telecommunications Companies](https://enrich.chat/companies-in/san-diego-ca/telecommunications/)[Facilities Services Companies](https://enrich.chat/companies-in/san-diego-ca/facilities-services/)[All of San Diego](https://enrich.chat/companies-in/san-diego-ca/) Construction Companies in other cities: [Houston, TX](https://enrich.chat/companies-in/houston-tx/construction/)[New York, NY](https://enrich.chat/companies-in/new-york-ny/construction/)[Phoenix, AZ](https://enrich.chat/companies-in/phoenix-az/construction/)[Dallas, TX](https://enrich.chat/companies-in/dallas-tx/construction/)[Austin, TX](https://enrich.chat/companies-in/austin-tx/construction/)[Miami, FL](https://enrich.chat/companies-in/miami-fl/construction/)[Los Angeles, CA](https://enrich.chat/companies-in/los-angeles-ca/construction/)[Denver, CO](https://enrich.chat/companies-in/denver-co/construction/)[Chicago, IL](https://enrich.chat/companies-in/chicago-il/construction/)[San Antonio, TX](https://enrich.chat/companies-in/san-antonio-tx/construction/) ## Frequently asked questions ### Which are the biggest construction companies in San Diego? Among those counted, they include Helix Electric, Pacific Steel Group, A.O. Reed & Co, Jb Pacific and T.B. Penick And Sons, ranked by headcount range. ### How big are construction companies in San Diego? 80% of those counted have 50 or fewer employees, and the middle one is in the 11 to 50 range. Companies with fewer than 11 employees are not counted. ### Which companies count as construction? Companies whose public profile lists Construction as their industry and whose headquarters are in San Diego, CA. ## Try this prompt Find the people at construction companies in San Diego ```text Use www.enrich.chat to find the owners, operations and procurement leaders at construction companies in San Diego, CA, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Software Companies in San Diego](https://enrich.chat/companies-in/san-diego-ca/software-development/) - [Real Estate Companies in San Diego](https://enrich.chat/companies-in/san-diego-ca/real-estate/) - [Advertising Agencies in San Diego](https://enrich.chat/companies-in/san-diego-ca/advertising-services/) - [IT Services Companies in San Diego](https://enrich.chat/companies-in/san-diego-ca/it-services-and-it-consulting/) - [Construction Companies in Houston](https://enrich.chat/companies-in/houston-tx/construction/) - [Construction Companies in New York](https://enrich.chat/companies-in/new-york-ny/construction/) - [Construction Companies in Phoenix](https://enrich.chat/companies-in/phoenix-az/construction/) - [Construction Companies in Dallas](https://enrich.chat/companies-in/dallas-tx/construction/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)