> 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/sic/3281/ # SIC code 3281: Manufacturing cut stone and products The companies classified under SIC 3281, where they are based, how big they are and how the code maps to NAICS. By Enrich.chat Editorial. Updated October 22, 2026. **Short answer:** SIC 3281 is the Standard Industrial Classification code for Manufacturing cut stone and products, in division D (Manufacturing). The companies counted under it are mostly very small: 72% have 50 or fewer employees. ## What is SIC 3281? SIC 3281 is the Standard Industrial Classification code for Manufacturing cut stone and products. It sits in division D, Manufacturing. The first two digits name the major group, and the last two narrow it to a single industry. Most of the companies counted also carry NAICS 327991 (98%). - 72% 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 (44%). Within the US, Texas is the biggest state (12%). - Most were founded in the 2000s (27%), then the 1990s (21%). **Figure: How SIC 3281 is built.** The code 3281 split into its parts: major group 32, then industry group and industry. It sits in division D, Manufacturing. *The four digits of SIC 3281.* ## Which companies are classified under SIC 3281? The biggest by headcount range include Csr, Classic Marble, Stone Group International, Marble Systems and Cemex Czech Republic S.R.O. Names link to a company profile where we have one. | Company | Headquarters | Employees | | --- | --- | --- | | Csr | North Ryde, Australia | 1,001 to 5,000 | | Classic Marble | Mumbai, India | 1,001 to 5,000 | | Marble Systems | Fairfax, VA | 501 to 1,000 | | Allied Stone | Dallas, TX | 501 to 1,000 | | Louisville Tile Distributors | Louisville, KY | 201 to 500 | | Cajugram Granitos E Mármores Do Brasil Ltda | Mimoso Do Sul, Brazil | 201 to 500 | | Rsg Stones | Jaipur, India | 201 to 500 | | Caesarstone Technologies Usa | Richmond Hill, GA | 201 to 500 | | Moderno Porcelain Works | Houston, TX | 51 to 200 | | Gammastone | Rignano Flaminio, Italy | 51 to 200 | | Savema S.P.A | Pietrasanta, Italy | 51 to 200 | | Mg2 Mármores E Granitos | Cachoeiro De Itapemirim, Brazil | 51 to 200 | | Rock Of Ages | Graniteville, VT | 51 to 200 | | Buechel Stone | Chilton, WI | 51 to 200 | | Marmor Hotavlje | Gorenja Vas, Slovenia | 51 to 200 | | Stone Interiors | St. Rose, LA | 51 to 200 | | Favorita | Lonigo, United States | 51 to 200 | | Classic Granite And Marble | Powhatan, VA | 51 to 200 | | Eastern Surfaces | Allentown, PA | 51 to 200 | | Capitol Granite | Midlothian, VA | 51 to 200 | | Allegheny Mineral | Kittanning, PA | 51 to 200 | | Gnt-Granitos Do Norte | Bem Viver Marco De Canaveses, Portugal | 51 to 200 | | The Marble Group | Welham Green, United Kingdom | 51 to 200 | | Wake Stone | Knightdale, NC | 51 to 200 | | Lian Hin Pte | Singapore, Singapore | 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 SIC 3281 companies based? The largest groups are headquartered in the United States (44%), Italy (14%) and the United Kingdom (8%). **Figure: Where companies in SIC 3281 are based.** Bars for the share of counted companies in SIC 3281 headquartered in each country: United States 44%, Italy 14%, United Kingdom 8%, Brazil 6%, Canada 6%, India 5%, Belgium 3%, Australia 2%. *Share of counted companies in SIC 3281 by headquarters country.* Within the United States, Texas (12%), Florida (11%) and New Jersey (11%) lead. **Figure: US headquarters of companies in SIC 3281, by state.** A tile map of the United States shaded by the share of counted US companies in SIC 3281 headquartered in each state. The largest are Texas 12%, Florida 11%, New Jersey 11%. *Share of counted US companies in SIC 3281 by headquarters state. The three largest states are outlined.* ## How big are the companies counted for SIC 3281? 72% 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 SIC 3281.** Seven columns for the share of counted companies in SIC 3281 in each employee range: 11 to 50 72%, 51 to 200 21%, 201 to 500 3%, 501 to 1,000 3%, 1,001 to 5,000 1%, 5,001 to 10,000 0%, 10,001+ 0%. *Share of counted companies in SIC 3281 in each employee range.* ## How old are SIC 3281 companies? Most were founded in the 2000s (27%), then the 1990s (21%). **Figure: When companies in SIC 3281 were founded.** Eight columns for the share of counted companies in SIC 3281 founded in each era: Before 1960 15%, 1960s 8%, 1970s 4%, 1980s 12%, 1990s 21%, 2000s 27%, 2010s 12%, 2020s 0%. *Share of counted companies in SIC 3281 by the era they were founded in, for the ones that list a founding year.* ## How SIC 3281 compares - 72% of companies in SIC 3281 have 50 or fewer employees, against 60% across all NAICS codes on this site. - 12% were founded in 2010 or later, against 30% across all NAICS codes on this site. - Virginia holds 9% of the US companies here, against 2% across all NAICS codes on this site. ## SIC 3281 and the NAICS system NAICS replaced SIC as the U.S. federal standard in 1997, but the two do not line up one to one. These are the NAICS codes seen most among the companies counted under SIC 3281. | Code | Title | Share of counted | | --- | --- | --- | | NAICS 327991 | Cut Stone and Stone Product Manufacturing | 98% | ## How do SIC 3281 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 (34%), Wholesale Building Materials (27%) and Mining (10%). **Figure: How companies in SIC 3281 describe themselves.** Bars for the share of counted companies in SIC 3281 that give each industry on their public profile: Construction 34%, Wholesale Building Materials 27%, Mining 10%, Glass; Ceramics and Concrete Manufacturing 8%, Retail 8%, Building Materials 6%. *Share of counted companies in SIC 3281 by the industry they list on their public profile.* ## Where SIC codes come from SIC was created in the 1930s and is now historical: the U.S. government replaced it with NAICS in 1997. It is still widely used, and the SEC still assigns a SIC code to every company that files on EDGAR. The full list is in the [SIC manual](https://www.osha.gov/data/sic-manual) that OSHA hosts, and the Census Bureau's [guide to understanding NAICS](https://www.census.gov/programs-surveys/economic-census/year/2022/guidance/understanding-naics.html) explains how the two relate. ## How do you reach the people at SIC 3281 companies? The people to talk to are usually operations, supply chain and procurement leaders. You can 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 SIC code 3281 (Manufacturing cut stone and products) ``` ### 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 SIC code 3281, 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 ``` ## Frequently asked questions ### What is SIC code 3281? SIC 3281 is the code for Manufacturing cut stone and products, in division D (Manufacturing). ### What is the NAICS code for SIC 3281 (Manufacturing cut stone and products)? 98% of the companies counted carry NAICS 327991 (Cut Stone and Stone Product Manufacturing), but the two systems do not map one to one. ### Which companies are classified under SIC 3281? The biggest by headcount range include Csr, Classic Marble, Stone Group International, Marble Systems and Cemex Czech Republic S.R.O. The page lists 25 with links to their profiles where we have them. ### How big are the companies in SIC 3281? 72% 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 SIC still used? Yes. The U.S. government replaced SIC with NAICS in 1997, but SIC codes are still common in business databases, and the SEC still uses them on EDGAR. ## Try this prompt Find the people at SIC 3281 companies ```text Use www.enrich.chat to find the operations, supply chain and procurement leaders at companies with SIC code 3281, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)