> 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/boise-id/construction/ # Construction Companies in Boise, ID The bigger construction companies headquartered in Boise, ID, 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 Boise, ID, the biggest by headcount range include Guerdon, Mcalvain Companies and Ats Inland Nw. They are mostly very small: 75% have 50 or fewer employees. ## Which construction companies are in Boise? Among the companies whose public profile lists Construction as their industry and Boise, ID as their headquarters, the biggest by headcount range include Guerdon, Mcalvain Companies, Ats Inland Nw, Rm Mechanical and Forge Building. Names link to a company profile where we have one. | Company | Employees | | --- | --- | | Guerdon | 201 to 500 | | Mcalvain Companies | 201 to 500 | | Ats Inland Nw | 201 to 500 | | Rm Mechanical | 201 to 500 | | Forge Building | 51 to 200 | | Hc Company | 51 to 200 | | Winspear Construction | 51 to 200 | | Smoke Guard | 51 to 200 | | Nashua Builders | 51 to 200 | | Record Steel And Construction Inc Dba Rsci | 51 to 200 | | Bartlett Roofing | 51 to 200 | | Estech | 51 to 200 | | Inland Foundation Specialties | 51 to 200 | | Clima-Tech | 51 to 200 | | Western Construction, Inc - Boise, Idaho | 51 to 200 | | Standard Restoration | 51 to 200 | | Tri State Electric | 51 to 200 | | Renewal By Andersen Of Boise | 51 to 200 | | Zelham | 51 to 200 | | Advanced Hardware Supply | 51 to 200 | | Alta Construction | 51 to 200 | | Signature Roofing | 51 to 200 | | Lea Electric, L.L.C | 51 to 200 | | Epoxy Flooring Boise Id | 51 to 200 | | Idaho Cfma | 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 Boise do? Construction is a broad label. The most common NAICS codes among them are 236220 (14%), 236115 (10%) and 238210 (10%). **Figure: What construction companies in Boise do.** Bars for the share of counted construction companies with each code: 236220 14%, 236115 10%, 238210 10%, 238220 10%, 236118 5%, 236210 5%, 238160 5%. *Share of counted construction companies in Boise by their NAICS code.* [NAICS 236220](https://enrich.chat/naics/236220/)[NAICS 236115](https://enrich.chat/naics/236115/)[NAICS 238210](https://enrich.chat/naics/238210/)[NAICS 238220](https://enrich.chat/naics/238220/)[NAICS 236118](https://enrich.chat/naics/236118/)[NAICS 236210](https://enrich.chat/naics/236210/)[NAICS 238160](https://enrich.chat/naics/238160/) ## How big are they? 75% of the construction companies counted in Boise 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 Boise.** Seven columns for the share of counted construction companies in Boise in each employee range: 11 to 50 75%, 51 to 200 21%, 201 to 500 4%, 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 Boise in each employee range.* ## How do you reach the people at construction companies in Boise? 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 Boise, ID ``` ### 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 Boise, ID, 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 Boise: [Real Estate Companies](https://enrich.chat/companies-in/boise-id/real-estate/)[Hospitals and Health Care Organizations](https://enrich.chat/companies-in/boise-id/hospitals-and-health-care/)[Advertising Agencies](https://enrich.chat/companies-in/boise-id/advertising-services/)[Software Companies](https://enrich.chat/companies-in/boise-id/software-development/)[All of Boise](https://enrich.chat/companies-in/boise-id/) 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 Diego, CA](https://enrich.chat/companies-in/san-diego-ca/construction/) ## Frequently asked questions ### Which are the biggest construction companies in Boise? Among those counted, they include Guerdon, Mcalvain Companies, Ats Inland Nw, Rm Mechanical and Forge Building, ranked by headcount range. ### How big are construction companies in Boise? 75% 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 Boise, ID. ## Try this prompt Find the people at construction companies in Boise ```text Use www.enrich.chat to find the owners, operations and procurement leaders at construction companies in Boise, ID, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Real Estate Companies in Boise](https://enrich.chat/companies-in/boise-id/real-estate/) - [Hospitals and Health Care Organizations in Boise](https://enrich.chat/companies-in/boise-id/hospitals-and-health-care/) - [Advertising Agencies in Boise](https://enrich.chat/companies-in/boise-id/advertising-services/) - [Software Companies in Boise](https://enrich.chat/companies-in/boise-id/software-development/) - [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/)