> 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/321911/ # NAICS code 321911: Wood Window and Door Manufacturing The companies classified under NAICS 321911, 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 321911 is the code for Wood Window and Door Manufacturing, in sector 31-33: Manufacturing. The companies counted under it are mostly small: 79% have 200 or fewer employees, and 67% are headquartered in the United States. ## What is NAICS 321911? NAICS 321911 is the code for Wood Window and Door Manufacturing. It belongs to sector 31-33: Manufacturing. 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 2431, Manufacturing millwork, in the older SIC system (67%). NAICS is a North American system, so companies outside the US, Canada and Mexico are placed in it by classification. - 40% of the companies counted have 50 or fewer employees, and the middle one is in the 51 to 200 range. - The largest group is headquartered in the United States (67%). Within the US, Florida is the biggest state (12%). - Most were founded in the before 1960 (23%), then the 1990s (22%). **Figure: How NAICS 321911 is built.** The code 321911 split into its parts: sector 32, then subsector, industry group, NAICS industry and U.S. industry. *The six digits of NAICS 321911. Each digit narrows the category.* ## Which companies are classified under NAICS 321911? The biggest by headcount range include Masonite, Pella, Andersen, Woodgrain and Clopay. Names link to a company profile where we have one. | Company | Headquarters | Employees | | --- | --- | --- | | [Masonite](https://enrich.chat/company/masonite/) | Tampa, FL | 10,001+ | | Pella | Pella, IA | 10,001+ | | Andersen | Bayport, MN | 10,001+ | | Woodgrain | Fruitland, ID | 1,001 to 5,000 | | Clopay | Mason, OH | 1,001 to 5,000 | | Amarr | Winston-Salem, NC | 1,001 to 5,000 | | The Cook & Boardman Group | Winston-Salem, NC | 1,001 to 5,000 | | Conestoga Wood Specialties | East Earl, PA | 1,001 to 5,000 | | Evermark | Suwanee, GA | 501 to 1,000 | | Trustile Doors | Denver, CO | 201 to 500 | | Bertolotto S.P.A | Torre San Giorgio, China | 201 to 500 | | Lynden Door | Lynden, WA | 201 to 500 | | Uniform | Minerbe, Italy | 201 to 500 | | Bayer Built Woodworks | Belgrade, MN | 201 to 500 | | Eco Window Systems | Medley, FL | 201 to 500 | | Tilo | Lohnsburg, Austria | 201 to 500 | | Dhabriya Polywood | Jaipur, India | 201 to 500 | | Rogue Valley Door | Grants Pass, OR | 201 to 500 | | Glanz Windows | Gurugram, India | 51 to 200 | | Riverside Millwork Group | Waterloo, Canada | 51 to 200 | | Timberlane | Montgomeryville, PA | 51 to 200 | | Quantum Windows & Doors | Arlington, WA | 51 to 200 | | Doors & Doors System Private | Vasai East, India | 51 to 200 | | Golden Windows | Kitchener, Canada | 51 to 200 | | Beautex Industries | Mumbai, India | 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 321911 companies based? The largest groups are headquartered in the United States (67%), Italy (9%) and Canada (8%). **Figure: Where companies in NAICS 321911 are based.** Bars for the share of counted companies in NAICS 321911 headquartered in each country: United States 67%, Italy 9%, Canada 8%, Germany 7%, India 5%. *Share of counted companies in NAICS 321911 by headquarters country.* Within the United States, Florida (12%), Minnesota (9%) and North Carolina (9%) lead. **Figure: US headquarters of companies in NAICS 321911, by state.** A tile map of the United States shaded by the share of counted US companies in NAICS 321911 headquartered in each state. The largest are Florida 12%, Minnesota 9%, North Carolina 9%. *Share of counted US companies in NAICS 321911 by headquarters state. The three largest states are outlined.* ## How big are the companies counted for NAICS 321911? 40% of them have 50 or fewer employees, and the middle one is in the 51 to 200 range. Companies with fewer than 11 employees are not counted. **Figure: Size of companies in NAICS 321911.** Seven columns for the share of counted companies in NAICS 321911 in each employee range: 11 to 50 40%, 51 to 200 39%, 201 to 500 11%, 501 to 1,000 1%, 1,001 to 5,000 5%, 5,001 to 10,000 0%, 10,001+ 3%. *Share of counted companies in NAICS 321911 in each employee range.* ## How old are NAICS 321911 companies? Most were founded in the before 1960 (23%), then the 1990s (22%). **Figure: When companies in NAICS 321911 were founded.** Eight columns for the share of counted companies in NAICS 321911 founded in each era: Before 1960 23%, 1960s 11%, 1970s 9%, 1980s 14%, 1990s 22%, 2000s 15%, 2010s 6%, 2020s 0%. *Share of counted companies in NAICS 321911 by the era they were founded in, for the ones that list a founding year.* ## How NAICS 321911 compares - 40% of companies in NAICS 321911 have 50 or fewer employees, against 60% across all NAICS codes on this site. - 6% were founded in 2010 or later, against 30% across all NAICS codes on this site. - Minnesota holds 9% of the US companies here, against 2% across all NAICS codes on this site. ## How do NAICS 321911 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 Construction (37%), Wholesale Building Materials (29%) and Building Materials (10%). **Figure: How companies in NAICS 321911 describe themselves.** Bars for the share of counted companies in NAICS 321911 that give each industry on their public profile: Construction 37%, Wholesale Building Materials 29%, Building Materials 10%, Architecture and Planning 5%, Furniture and Home Furnishings Manufacturing 5%, Manufacturing 5%. *Share of counted companies in NAICS 321911 by the industry they list on their public profile.* ## NAICS 321911 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 2431](https://enrich.chat/sic/2431/) | Manufacturing millwork | 67% | | [SIC 3089](https://enrich.chat/naics/326199/) | Manufacturing plastic products | 4% | | [SIC 5211](https://enrich.chat/naics/444180/) | Retail lumber and building materials | 4% | | [SIC 1751](https://enrich.chat/naics/238130/) | Carpentry contractor | 3% | | SIC 3442 | Manufacturing metal doors, sash and trim | 3% | | [SIC 5031](https://enrich.chat/naics/423310/) | Wholesale lumber, plywood and millwork | 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 321911 companies? The people to talk to are usually operations, supply chain 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 321911 (Wood Window and Door Manufacturing) ``` ### 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 operations, supply chain and procurement leaders at companies with NAICS code 321911, 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 321920: Wood Container and Pallet Manufacturing](https://enrich.chat/naics/321920/)[NAICS 321992: Prefabricated Wood Building Manufacturing](https://enrich.chat/naics/321992/) Others in sector 31-33: [NAICS 325412: Pharmaceutical Preparation Manufacturing](https://enrich.chat/naics/325412/)[NAICS 326199: All Other Plastics Product Manufacturing](https://enrich.chat/naics/326199/)[NAICS 339112: Surgical and Medical Instrument](https://enrich.chat/naics/339112/)[NAICS 336390: Other Motor Vehicle Parts Manufacturing](https://enrich.chat/naics/336390/)[NAICS 332710: Machine Shops](https://enrich.chat/naics/332710/)[NAICS 312130: Wineries](https://enrich.chat/naics/312130/)[NAICS 333111: Farm Machinery and Equipment Manufacturing](https://enrich.chat/naics/333111/)[NAICS 334413: Semiconductor and Related Device](https://enrich.chat/naics/334413/) ## Frequently asked questions ### What is NAICS code 321911? NAICS 321911 is the code for Wood Window and Door Manufacturing, in sector 31-33: Manufacturing. ### What is the SIC code for NAICS 321911 (Wood Window and Door Manufacturing)? 67% of the companies counted carry SIC 2431 (Manufacturing millwork), but the two systems do not map one to one. ### Which companies are classified under NAICS 321911? The biggest by headcount range include Masonite, Pella, Andersen, Woodgrain and Clopay. The page lists 25 with links to their profiles where we have them. ### Where are NAICS 321911 companies based? The largest groups are headquartered in the United States (67%), Italy (9%) and Canada (8%). ### How big are the companies in NAICS 321911? 40% have 50 or fewer employees, and the middle one is in the 51 to 200 range. Companies with fewer than 11 employees are not counted. ### How do I find a company's NAICS code? Search the official NAICS index at the U.S. Census Bureau for the code that matches what the company mostly does. Public companies in the US also list a SIC code in their SEC EDGAR profile. ## Try this prompt Find the people at NAICS 321911 companies ```text Use www.enrich.chat to find the operations, supply chain and procurement leaders at companies with NAICS code 321911, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [NAICS 321920](https://enrich.chat/naics/321920/) - [NAICS 321992](https://enrich.chat/naics/321992/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)