> 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/238910/ # NAICS code 238910: Site Preparation Contractors The companies classified under NAICS 238910, where they are based, how big they are and how the code maps to SIC. By Enrich.chat Editorial. Updated October 22, 2026. **Short answer:** NAICS 238910 is the code for Site Preparation Contractors, in sector 23: Construction. The companies counted under it are mostly very small: 61% have 50 or fewer employees, and 88% are headquartered in the United States. ## What is NAICS 238910? NAICS 238910 is the code for Site Preparation Contractors. It belongs to sector 23: Construction. NAICS, the North American Industry Classification System, is the standard U.S. government agencies use to sort businesses by what they mainly do, and each digit narrows the category. Most of the companies counted also carry SIC 1794, Excavation contractor, in the older SIC system (72%). - 61% of the companies counted have 50 or fewer employees, and the middle one is in the 11 to 50 range. - The largest group is headquartered in the United States (88%). Within the US, California is the biggest state (8%). - Most were founded in the 2000s (24%), then the 1990s (22%). **Figure: How NAICS 238910 is built.** The code 238910 split into its parts: sector 23, then subsector, industry group, NAICS industry and U.S. industry. *The six digits of NAICS 238910. Each digit narrows the category.* ## Which companies are classified under NAICS 238910? The biggest by headcount range include Agnico Eagle Mines, Delta Group, Torex Gold Resources, Hei Civil and Sevenson Environmental Services. Names link to a company profile where we have one. | Company | Headquarters | Employees | | --- | --- | --- | | [Agnico Eagle Mines](https://enrich.chat/company/agnico-eagle-mines/) | Toronto, Canada | 5,001 to 10,000 | | Torex Gold Resources | Toronto, Canada | 501 to 1,000 | | Hei Civil | Castle Rock, CO | 501 to 1,000 | | Sevenson Environmental Services | Niagara Falls, NY | 501 to 1,000 | | J.R. Vinagro | Johnston, RI | 501 to 1,000 | | Brandenburg Industrial Service | Elmhurst, IL | 501 to 1,000 | | W. L. French Excavating | North Billerica, MA | 201 to 500 | | Trifecta Services | Charlotte, NC | 201 to 500 | | Supreme Industries | Harwinton, CT | 201 to 500 | | Turner Contracting | Bedford, IN | 201 to 500 | | Ampco Contracting | Anaheim, CA | 201 to 500 | | Hl Chapman Pipeline Construction | Leander, TX | 201 to 500 | | Thompson Concrete | Carroll, OH | 201 to 500 | | Kerr Contractors | Woodburn, OR | 201 to 500 | | Riley Brothers | Stoughton, MA | 201 to 500 | | Arc Abatement | Waco, TX | 201 to 500 | | Hoffman Bros. | Battle Creek, MI | 201 to 500 | | Bierlein Companies | Midland, MI | 201 to 500 | | Grayson Carter & Son Contracting | Athens, AL | 201 to 500 | | Eden Site Development | Longwood, FL | 201 to 500 | | Alex Macintyre & Associates | Kirkland Lake, Canada | 201 to 500 | | Alliance Groundworks And Civils | Lichfield, United Kingdom | 51 to 200 | | Menard Canada | Brossard, Canada | 51 to 200 | | Metro Deconstruction Services | Charlwood, United Kingdom | 51 to 200 | | Durr Heavy Construction | Harahan, LA | 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. ## Where are NAICS 238910 companies based? The largest groups are headquartered in the United States (88%), the United Kingdom (5%) and Canada (3%). **Figure: Where companies in NAICS 238910 are based.** Bars for the share of counted companies in NAICS 238910 headquartered in each country: United States 88%, United Kingdom 5%, Canada 3%, Australia 2%. *Share of counted companies in NAICS 238910 by headquarters country.* Within the United States, California (8%), Texas (7%) and Illinois (6%) lead. **Figure: US headquarters of companies in NAICS 238910, by state.** A tile map of the United States shaded by the share of counted US companies in NAICS 238910 headquartered in each state. The largest are California 8%, Texas 7%, Illinois 6%. *Share of counted US companies in NAICS 238910 by headquarters state. The three largest states are outlined.* ## How big are the companies counted for NAICS 238910? 61% of them 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 companies in NAICS 238910.** Seven columns for the share of counted companies in NAICS 238910 in each employee range: 11 to 50 61%, 51 to 200 31%, 201 to 500 6%, 501 to 1,000 2%, 1,001 to 5,000 0%, 5,001 to 10,000 0%, 10,001+ 0%. *Share of counted companies in NAICS 238910 in each employee range.* ## How old are NAICS 238910 companies? Most were founded in the 2000s (24%), then the 1990s (22%). **Figure: When companies in NAICS 238910 were founded.** Eight columns for the share of counted companies in NAICS 238910 founded in each era: Before 1960 10%, 1960s 6%, 1970s 7%, 1980s 11%, 1990s 22%, 2000s 24%, 2010s 17%, 2020s 3%. *Share of counted companies in NAICS 238910 by the era they were founded in, for the ones that list a founding year.* ## How NAICS 238910 compares - 20% were founded in 2010 or later, against 30% across all NAICS codes on this site. - Illinois holds 6% of the US companies here, against 4% across all NAICS codes on this site. ## NAICS 238910 and the SIC system NAICS replaced SIC in 1997, but the two do not line up one to one: companies filed under one NAICS code can carry several SIC codes. These are the ones seen most. | Code | Title | Share of counted | | --- | --- | --- | | [SIC 1794](https://enrich.chat/sic/1794/) | Excavation contractor | 72% | | SIC 1795 | Wrecking and demolition contractor | 12% | | [SIC 1771](https://enrich.chat/naics/238110/) | Concrete contractor | 4% | | SIC 1629 | Heavy construction | 3% | ## Where NAICS codes come from NAICS is maintained by the U.S. Census Bureau with Canada and Mexico and revised every five years; the current edition is NAICS 2022. To check exactly what a code includes, search the [official NAICS index](https://www.census.gov/naics/) or read the Census Bureau's [guide to understanding NAICS](https://www.census.gov/programs-surveys/economic-census/year/2022/guidance/understanding-naics.html). Pick a code by what a company mostly does, not by who it sells to. ## How do you reach the people at NAICS 238910 companies? The people to talk to are usually owners, operations and procurement leaders. You can build the list from this code 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 238910 (Site Preparation Contractors) ``` ### 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 238910, 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 Codes next to it: [NAICS 238990: All Other Specialty Trade Contractors](https://enrich.chat/naics/238990/) Others in sector 23: [NAICS 238220: Plumbing, Heating, and Air-Conditioning](https://enrich.chat/naics/238220/)[NAICS 236220: Commercial and Institutional Building](https://enrich.chat/naics/236220/)[NAICS 236115: New Single-Family Housing Construction](https://enrich.chat/naics/236115/)[NAICS 238210: Electrical Contractors and Other Wiring](https://enrich.chat/naics/238210/)[NAICS 238160: Roofing Contractors](https://enrich.chat/naics/238160/)[NAICS 237310: Highway, Street, and Bridge Construction](https://enrich.chat/naics/237310/)[NAICS 237210: Land Subdivision](https://enrich.chat/naics/237210/)[NAICS 236118: Residential Remodelers](https://enrich.chat/naics/236118/) ## Frequently asked questions ### What is NAICS code 238910? NAICS 238910 is the code for Site Preparation Contractors, in sector 23: Construction. ### What is the SIC code for NAICS 238910 (Site Preparation Contractors)? 72% of the companies counted carry SIC 1794 (Excavation contractor), but the two systems do not map one to one. ### Which companies are classified under NAICS 238910? The biggest by headcount range include Agnico Eagle Mines, Delta Group, Torex Gold Resources, Hei Civil and Sevenson Environmental Services. The page lists 25 with links to their profiles where we have them. ### Where are NAICS 238910 companies based? The largest groups are headquartered in the United States (88%), the United Kingdom (5%) and Canada (3%). ### How big are the companies in NAICS 238910? 61% 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. ### Is NAICS 238910 the same as a SIC code? No. NAICS replaced SIC as the U.S. federal standard in 1997, and the two do not map one to one. The SIC code seen most among these companies is 1794. ## Try this prompt Find the people at NAICS 238910 companies ```text Use www.enrich.chat to find the owners, operations and procurement leaders at companies with NAICS code 238910, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [NAICS 238990](https://enrich.chat/naics/238990/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)