> 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/541350/ # NAICS code 541350: Building Inspection Services The companies classified under NAICS 541350, 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 541350 is the code for Building Inspection Services, in sector 54: Professional, Scientific, and Technical Services. The companies counted under it are mostly very small: 80% have 50 or fewer employees, and 93% are headquartered in the United States. ## What is NAICS 541350? NAICS 541350 is the code for Building Inspection Services. It belongs to sector 54: Professional, Scientific, and Technical Services. 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 7389, Business services, in the older SIC system (88%). - 80% 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 (93%). Within the US, Texas is the biggest state (16%). - Most were founded in the 2000s (36%), then the 2010s (27%). **Figure: How NAICS 541350 is built.** The code 541350 split into its parts: sector 54, then subsector, industry group, NAICS industry and U.S. industry. *The six digits of NAICS 541350. Each digit narrows the category.* ## Which companies are classified under NAICS 541350? The biggest by headcount range include Nova Engineering And Environmental, Pillar To Post Home Inspectors, Housemaster Home Inspections, Kodiak and Ripco. Names link to a company profile where we have one. | Company | Headquarters | Employees | | --- | --- | --- | | Nova Engineering And Environmental | Kennesaw, GA | 501 to 1,000 | | Pillar To Post Home Inspectors | Tampa, FL | 501 to 1,000 | | Housemaster Home Inspections | Waco, TX | 201 to 500 | | Kodiak | Hamburg, Germany | 51 to 200 | | D & C Inspection Services | Seabrook, TX | 51 to 200 | | Kelly Roofing | Naples, FL | 51 to 200 | | Protex The Pt Xperts | Tempe, AZ | 51 to 200 | | Super Inspector | Corinth, TX | 51 to 200 | | Knights Inspection Services | Plantersville, TX | 51 to 200 | | Techno Metal Post | Thetford Mines, Canada | 51 to 200 | | 4leaf | Fair Oaks, CA | 51 to 200 | | Abode Energy Management | Concord, MA | 11 to 50 | | Waypoint Property Inspection | Tampa, FL | 11 to 50 | | Advanced Inspection Services | Minneapolis, MN | 11 to 50 | | Jemimah Nigeria | Lagos, Nigeria | 11 to 50 | | Martinez Associates | Golden, CO | 11 to 50 | | Cima Inspection | Austin, TX | 11 to 50 | | Homesight | Milwaukee, WI | 11 to 50 | | Pando Alliance | Ellicott City, MD | 11 to 50 | | Guardian Angel Inspections | Royal Palm Beach, FL | 11 to 50 | | Residential Inspector Of America | Buford, GA | 11 to 50 | | Structure Groups | Livermore, CA | 11 to 50 | | Pro Spect Inspection Services | Dover, DE | 11 to 50 | | Home Probe | Decatur, GA | 11 to 50 | | Protec Inspection Services | Poolsville, MD | 11 to 50 | 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 541350 companies based? Within the United States, Texas (16%), California (9%) and Florida (9%) lead. **Figure: US headquarters of companies in NAICS 541350, by state.** A tile map of the United States shaded by the share of counted US companies in NAICS 541350 headquartered in each state. The largest are Texas 16%, California 9%, Florida 9%. *Share of counted US companies in NAICS 541350 by headquarters state. The three largest states are outlined.* ## How big are the companies counted for NAICS 541350? 80% 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 541350.** Seven columns for the share of counted companies in NAICS 541350 in each employee range: 11 to 50 80%, 51 to 200 16%, 201 to 500 2%, 501 to 1,000 3%, 1,001 to 5,000 0%, 5,001 to 10,000 0%, 10,001+ 0%. *Share of counted companies in NAICS 541350 in each employee range.* ## How NAICS 541350 compares - 80% of companies in NAICS 541350 have 50 or fewer employees, against 60% across all NAICS codes on this site. - Washington holds 7% of the US companies here, against 3% across all NAICS codes on this site. ## How do NAICS 541350 companies describe themselves? A code is assigned by classification, and a company does not choose its own, so the label a company uses for itself can differ. The most common labels here are Real Estate (48%), Construction (17%) and Civil Engineering (9%). **Figure: How companies in NAICS 541350 describe themselves.** Bars for the share of counted companies in NAICS 541350 that give each industry on their public profile: Real Estate 48%, Construction 17%, Civil Engineering 9%, Environmental Services 6%, Industrial Machinery Manufacturing 5%, Oil and Gas 5%. *Share of counted companies in NAICS 541350 by the industry they list on their public profile.* ## NAICS 541350 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 7389 | Business services | 88% | | SIC 8711 | Engineering services | 5% | ## 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 541350 companies? The people to talk to are usually partners, practice leaders and heads of operations. 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 541350 (Building Inspection Services) ``` ### 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 partners, practice leaders and heads of operations at companies with NAICS code 541350, 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 541310: Architectural Services](https://enrich.chat/naics/541310/)[NAICS 541320: Landscape Architectural Services](https://enrich.chat/naics/541320/) Others in sector 54: [NAICS 541512: Computer Systems Design Services](https://enrich.chat/naics/541512/)[NAICS 541511: Custom Computer Programming Services](https://enrich.chat/naics/541511/)[NAICS 541110: Offices of Lawyers](https://enrich.chat/naics/541110/)[NAICS 541613: Marketing Consulting Services](https://enrich.chat/naics/541613/)[NAICS 541810: Advertising Agencies](https://enrich.chat/naics/541810/)[NAICS 541820: Public Relations Agencies](https://enrich.chat/naics/541820/)[NAICS 541219: Other Accounting Services](https://enrich.chat/naics/541219/)[NAICS 541940: Veterinary Services](https://enrich.chat/naics/541940/) ## Frequently asked questions ### What is NAICS code 541350? NAICS 541350 is the code for Building Inspection Services, in sector 54: Professional, Scientific, and Technical Services. ### What is the SIC code for NAICS 541350 (Building Inspection Services)? 88% of the companies counted carry SIC 7389 (Business services), but the two systems do not map one to one. ### Which companies are classified under NAICS 541350? The biggest by headcount range include Nova Engineering And Environmental, Pillar To Post Home Inspectors, Housemaster Home Inspections, Kodiak and Ripco. The page lists 25 with links to their profiles where we have them. ### Where are NAICS 541350 companies based? The largest groups are headquartered in the United States (93%). ### How big are the companies in NAICS 541350? 80% 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 541350 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 7389. ## Try this prompt Find the people at NAICS 541350 companies ```text Use www.enrich.chat to find the partners, practice leaders and heads of operations at companies with NAICS code 541350, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [NAICS 541310](https://enrich.chat/naics/541310/) - [NAICS 541320](https://enrich.chat/naics/541320/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)