> 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/naics/236220/washington/ # NAICS 236220 companies in Washington Companies with NAICS code 236220 (Commercial and Institutional Building Construction) headquartered in Washington, with their cities, sizes and SIC codes. By Enrich.chat Editorial. Updated October 22, 2026. **Short answer:** The biggest NAICS 236220 companies in Washington by headcount range include Mckinstry, Lease Crutcher Lewis and Gly Construction. NAICS 236220 is the code for Commercial and Institutional Building Construction. Among those counted, they are mostly very small: 56% have 50 or fewer employees. ## Which NAICS 236220 companies are in Washington? The biggest by headcount range include Mckinstry, Lease Crutcher Lewis, Gly Construction, Absher Construction and Fisher Construction Group. NAICS 236220 is the code for Commercial and Institutional Building Construction. Names link to a company profile where we have one. | Company | City | Employees | | --- | --- | --- | | Mckinstry | Seattle | 1,001 to 5,000 | | Lease Crutcher Lewis | Seattle | 501 to 1,000 | | Gly Construction | Bellevue | 501 to 1,000 | | Absher Construction | Puyallup | 201 to 500 | | Fisher Construction Group | Burlington | 201 to 500 | | Fowler General Construction | Richland | 201 to 500 | | Northwest Construction | Bellevue | 201 to 500 | | Porter Construction | Seattle | 201 to 500 | | Venture General Contracting | Seattle | 51 to 200 | | Lydig Construction | Bellevue | 51 to 200 | | Bayley Construction | Mercer Island | 51 to 200 | | Forma Construction | Olympia | 51 to 200 | | Sierra Construction | Woodinville | 51 to 200 | | Cornerstone General Contractors | Bothell | 51 to 200 | | W.G. Clark Construction | Seattle | 51 to 200 | | Walker Construction | Spokane | 51 to 200 | | Clark Construction | Poulsbo | 51 to 200 | | Gateway Construction Services | Seattle | 51 to 200 | | Trico Companies | Burlington | 51 to 200 | | Wolf Industries | Battle Ground | 51 to 200 | | Corstone Contractors | Snohomish | 51 to 200 | | United Seattle | Everett | 51 to 200 | | Marpac Construction | Seattle | 51 to 200 | | James E. John Construction | Vancouver | 51 to 200 | | Kirby Electric | Auburn | 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. ## Which cities in Washington? Within Washington, Seattle (20%), Bellevue (10%) and Spokane (6%) are the most common headquarters. **Figure: Cities of NAICS 236220 companies in Washington.** Bars for the share of counted NAICS 236220 companies in Washington headquartered in each city: Seattle 20%, Bellevue 10%, Spokane 6%, Vancouver 6%, Everett 4%, Washougal 4%. *Share of counted NAICS 236220 companies in Washington by headquarters city.* ## How big are they? 56% of the NAICS 236220 companies counted in Washington 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 NAICS 236220 companies in Washington.** Seven columns for the share of counted NAICS 236220 companies in Washington in each employee range: 11 to 50 56%, 51 to 200 32%, 201 to 500 7%, 501 to 1,000 3%, 1,001 to 5,000 1%, 5,001 to 10,000 0%, 10,001+ 0%. *Share of counted NAICS 236220 companies in Washington in each employee range.* ## Which SIC codes do they carry? The older SIC system and NAICS do not line up one to one. These are the SIC codes seen most here. **Figure: SIC codes of NAICS 236220 companies in Washington.** Bars for the share of counted NAICS 236220 companies in Washington with each code: 1542 62%, 1521 15%, 1522 8%, 1541 7%. *Share of counted NAICS 236220 companies in Washington by their SIC code.* [SIC 1541](https://enrich.chat/sic/1541/) ## How do you reach the people at these Washington companies? 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 companies with NAICS code 236220 in Washington ``` ### 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 companies with NAICS code 236220 in Washington, 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 About the code: [NAICS 236220: Commercial and Institutional Building Construction](https://enrich.chat/naics/236220/). About the place: [companies in Washington](https://enrich.chat/companies-in/washington/). NAICS 236220 in other states: [California](https://enrich.chat/naics/236220/california/)[Texas](https://enrich.chat/naics/236220/texas/)[Florida](https://enrich.chat/naics/236220/florida/)[New York](https://enrich.chat/naics/236220/new-york/)[Pennsylvania](https://enrich.chat/naics/236220/pennsylvania/)[North Carolina](https://enrich.chat/naics/236220/north-carolina/)[Virginia](https://enrich.chat/naics/236220/virginia/)[Illinois](https://enrich.chat/naics/236220/illinois/)[Georgia](https://enrich.chat/naics/236220/georgia/)[Ohio](https://enrich.chat/naics/236220/ohio/) Other NAICS codes in Washington: [NAICS 541511: Custom Computer Programming Services](https://enrich.chat/naics/541511/washington/)[NAICS 722511: Full-Service Restaurants](https://enrich.chat/naics/722511/washington/)[NAICS 236115: New Single-Family Housing Construction](https://enrich.chat/naics/236115/washington/)[NAICS 531210: Offices of Real Estate Agents](https://enrich.chat/naics/531210/washington/) ## Frequently asked questions ### Which NAICS 236220 companies are in Washington? The biggest by headcount range include Mckinstry, Lease Crutcher Lewis, Gly Construction, Absher Construction and Fisher Construction Group. The page lists 25 with links to their profiles where we have them. ### What is NAICS 236220? NAICS 236220 is the code for Commercial and Institutional Building Construction, in sector 23: Construction. ### Which cities in Washington have the most? Seattle (20%), Bellevue (10%) and Spokane (6%) lead among the companies counted. ## Try this prompt Find the people at NAICS 236220 companies in Washington ```text Use www.enrich.chat to find the owners, operations and procurement leaders at companies with NAICS code 236220 in Washington, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [NAICS 236220 in California](https://enrich.chat/naics/236220/california/) - [NAICS 236220 in Texas](https://enrich.chat/naics/236220/texas/) - [NAICS 236220 in Florida](https://enrich.chat/naics/236220/florida/) - [NAICS 236220 in New York](https://enrich.chat/naics/236220/new-york/) - [NAICS 541511 in Washington](https://enrich.chat/naics/541511/washington/) - [NAICS 722511 in Washington](https://enrich.chat/naics/722511/washington/) - [NAICS 236115 in Washington](https://enrich.chat/naics/236115/washington/) - [NAICS 531210 in Washington](https://enrich.chat/naics/531210/washington/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)