> 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/238220/georgia/ # NAICS 238220 companies in Georgia Companies with NAICS code 238220 (Plumbing, Heating, and Air-Conditioning Contractors) headquartered in Georgia, with their cities, sizes and SIC codes. By Enrich.chat Editorial. Updated October 22, 2026. **Short answer:** The biggest NAICS 238220 companies in Georgia by headcount range include Wrench Group, Mckenney's and Century Fire Protection. NAICS 238220 is the code for Plumbing, Heating, and Air-Conditioning Contractors. Among those counted, they are mostly very small: 68% have 50 or fewer employees. ## Which NAICS 238220 companies are in Georgia? The biggest by headcount range include Wrench Group, Mckenney's, Century Fire Protection, Amcon Industrial and Reliable Heating & Air. NAICS 238220 is the code for Plumbing, Heating, and Air-Conditioning Contractors. Names link to a company profile where we have one. | Company | City | Employees | | --- | --- | --- | | Wrench Group | Marietta | 5,001 to 10,000 | | Mckenney's | Atlanta | 1,001 to 5,000 | | Century Fire Protection | Duluth | 1,001 to 5,000 | | Amcon Industrial | Fairburn | 201 to 500 | | Reliable Heating & Air | Kennesaw | 201 to 500 | | Paulson-Cheek Mechanical | Norcross | 201 to 500 | | Emcor Services Aircond | Smyrna | 201 to 500 | | Shumate Mechanical | Duluth | 201 to 500 | | Hannah Solar | Atlanta | 51 to 200 | | Tom Barrow | Atlanta | 51 to 200 | | Advanced Commercial Group | Atlanta | 51 to 200 | | Jasper Contractors | Kennesaw | 51 to 200 | | Fire Protection Services | Atlanta | 51 to 200 | | Addison Smith Mechanical Contractor | Carrollton | 51 to 200 | | Gainesville Mechanical | Gainesville | 51 to 200 | | Addison Energy Technologies | Toccoa | 51 to 200 | | Alliance Fire Protection Services | Loganville | 51 to 200 | | Mock Plumbing & Mechanical | Savannah | 51 to 200 | | Insight Facilities Management | Marietta | 51 to 200 | | Valley Mechanical | Rossville | 51 to 200 | | Alloy Industrial Contractors | Savannah | 51 to 200 | | Pyles Plumbing & Utility Contractors | Macon | 51 to 200 | | Stiles Heating And Cooling | Athens | 51 to 200 | | One Call Heating And Cooling | Newnan | 51 to 200 | | Inman Solar Incorporated | Atlanta | 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. ## Which cities in Georgia? Within Georgia, Atlanta (15%), Kennesaw (7%) and Marietta (7%) are the most common headquarters. **Figure: Cities of NAICS 238220 companies in Georgia.** Bars for the share of counted NAICS 238220 companies in Georgia headquartered in each city: Atlanta 15%, Kennesaw 7%, Marietta 7%, Norcross 5%, Macon 4%, Savannah 4%. *Share of counted NAICS 238220 companies in Georgia by headquarters city.* ## How big are they? 68% of the NAICS 238220 companies counted in Georgia 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 238220 companies in Georgia.** Seven columns for the share of counted NAICS 238220 companies in Georgia in each employee range: 11 to 50 68%, 51 to 200 22%, 201 to 500 7%, 501 to 1,000 0%, 1,001 to 5,000 3%, 5,001 to 10,000 1%, 10,001+ 0%. *Share of counted NAICS 238220 companies in Georgia in each employee range.* ## How do you reach the people at these Georgia 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 238220 in Georgia ``` ### 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 238220 in Georgia, 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 238220: Plumbing, Heating, and Air-Conditioning Contractors](https://enrich.chat/naics/238220/). About the place: [companies in Georgia](https://enrich.chat/companies-in/georgia/). NAICS 238220 in other states: [California](https://enrich.chat/naics/238220/california/)[Texas](https://enrich.chat/naics/238220/texas/)[Florida](https://enrich.chat/naics/238220/florida/)[Ohio](https://enrich.chat/naics/238220/ohio/)[North Carolina](https://enrich.chat/naics/238220/north-carolina/)[Pennsylvania](https://enrich.chat/naics/238220/pennsylvania/)[Illinois](https://enrich.chat/naics/238220/illinois/)[Arizona](https://enrich.chat/naics/238220/arizona/)[Virginia](https://enrich.chat/naics/238220/virginia/)[Tennessee](https://enrich.chat/naics/238220/tennessee/) Other NAICS codes in Georgia: [NAICS 541511: Custom Computer Programming Services](https://enrich.chat/naics/541511/georgia/)[NAICS 541512: Computer Systems Design Services](https://enrich.chat/naics/541512/georgia/)[NAICS 621111: Offices of Physicians](https://enrich.chat/naics/621111/georgia/)[NAICS 541613: Marketing Consulting Services](https://enrich.chat/naics/541613/georgia/)[NAICS 236220: Commercial and Institutional Building](https://enrich.chat/naics/236220/georgia/)[NAICS 541110: Offices of Lawyers](https://enrich.chat/naics/541110/georgia/)[NAICS 236115: New Single-Family Housing Construction](https://enrich.chat/naics/236115/georgia/) ## Frequently asked questions ### Which NAICS 238220 companies are in Georgia? The biggest by headcount range include Wrench Group, Mckenney's, Century Fire Protection, Amcon Industrial and Reliable Heating & Air. The page lists 25 with links to their profiles where we have them. ### What is NAICS 238220? NAICS 238220 is the code for Plumbing, Heating, and Air-Conditioning Contractors, in sector 23: Construction. ### Which cities in Georgia have the most? Atlanta (15%), Kennesaw (7%) and Marietta (7%) lead among the companies counted. ## Try this prompt Find the people at NAICS 238220 companies in Georgia ```text Use www.enrich.chat to find the owners, operations and procurement leaders at companies with NAICS code 238220 in Georgia, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [NAICS 238220 in California](https://enrich.chat/naics/238220/california/) - [NAICS 238220 in Texas](https://enrich.chat/naics/238220/texas/) - [NAICS 238220 in Florida](https://enrich.chat/naics/238220/florida/) - [NAICS 238220 in Ohio](https://enrich.chat/naics/238220/ohio/) - [NAICS 541511 in Georgia](https://enrich.chat/naics/541511/georgia/) - [NAICS 541512 in Georgia](https://enrich.chat/naics/541512/georgia/) - [NAICS 621111 in Georgia](https://enrich.chat/naics/621111/georgia/) - [NAICS 541613 in Georgia](https://enrich.chat/naics/541613/georgia/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)