> 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/5033/ # SIC code 5033: Wholesale roofing, siding and insulation The companies classified under SIC 5033, 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 5033 is the Standard Industrial Classification code for Wholesale roofing, siding and insulation, in division F (Wholesale Trade). The companies counted under it are mostly very small: 57% have 50 or fewer employees. ## What is SIC 5033? SIC 5033 is the Standard Industrial Classification code for Wholesale roofing, siding and insulation. It sits in division F, Wholesale Trade. 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 423330 (82%). - 57% 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 (87%). Within the US, Texas is the biggest state (10%). - Most were founded in the 1980s (23%), then the before 1960 (21%). **Figure: How SIC 5033 is built.** The code 5033 split into its parts: major group 50, then industry group and industry. It sits in division F, Wholesale Trade. *The four digits of SIC 5033.* ## Which companies are classified under SIC 5033? The biggest by headcount range include ABC Supply, Srs Distribution, Primesource Building Products, Lansing Building Products and Heritage Pool Supply Group. Names link to a company profile where we have one. | Company | Headquarters | Employees | | --- | --- | --- | | [ABC Supply](https://enrich.chat/company/abc-supply/) | Beloit, WI | 10,001+ | | Srs Distribution | McKinney, TX | 5,001 to 10,000 | | Primesource Building Products | Irving, TX | 1,001 to 5,000 | | Lansing Building Products | Richmond, VA | 1,001 to 5,000 | | Heritage Pool Supply Group | McKinney, TX | 1,001 to 5,000 | | Cameron Ashley Building Products | Greer, SC | 501 to 1,000 | | Wimsatt Building Materials | Wayne, MI | 201 to 500 | | Greenfiber | Charlotte, United States | 201 to 500 | | Erie Materials | Syracuse, NY | 201 to 500 | | Sunniland | Longwood, FL | 201 to 500 | | Advanced Polymer Coatings | Avon, OH | 51 to 200 | | Dkb | Pasco, WA | 51 to 200 | | Revchem Composites | Bloomington, CA | 51 to 200 | | Interior Exterior Building Supply | New Orleans, LA | 51 to 200 | | Sps | Apex, NC | 51 to 200 | | Cardinal Building Materials | Bridgeton, MO | 51 to 200 | | Terra Lana Products | Christchurch, New Zealand | 51 to 200 | | Epdm Coatings | Shelton, CT | 51 to 200 | | Epilay | Carson, CA | 51 to 200 | | Roofers Mart | St. Louis, MO | 51 to 200 | | Odd Jobs India | Hyderabad, India | 51 to 200 | | Pro-Line Construction Materials | Langley, Canada | 51 to 200 | | Washington Cedar & Supply | Auburn, WA | 51 to 200 | | Bsc Interiors | New Delhi, India | 51 to 200 | | Backer Rod Mfg. | Denver, CO | 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 5033 companies based? Within the United States, Texas (10%), Alabama (8%) and California (8%) lead. **Figure: US headquarters of companies in SIC 5033, by state.** A tile map of the United States shaded by the share of counted US companies in SIC 5033 headquartered in each state. The largest are Texas 10%, Alabama 8%, California 8%. *Share of counted US companies in SIC 5033 by headquarters state. The three largest states are outlined.* ## How big are the companies counted for SIC 5033? 57% 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 5033.** Seven columns for the share of counted companies in SIC 5033 in each employee range: 11 to 50 57%, 51 to 200 28%, 201 to 500 6%, 501 to 1,000 1%, 1,001 to 5,000 4%, 5,001 to 10,000 1%, 10,001+ 1%. *Share of counted companies in SIC 5033 in each employee range.* ## How SIC 5033 compares - Alabama holds 8% of the US companies here, against 1% across all NAICS codes on this site. ## SIC 5033 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 5033. | Code | Title | Share of counted | | --- | --- | --- | | NAICS 423330 | Roofing, Siding, and Insulation Material Merchant Wholesalers | 82% | | NAICS 423390 | Other Construction Material Merchant Wholesalers | 8% | ## How do SIC 5033 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 (40%), Wholesale Building Materials (35%) and Building Materials (13%). **Figure: How companies in SIC 5033 describe themselves.** Bars for the share of counted companies in SIC 5033 that give each industry on their public profile: Construction 40%, Wholesale Building Materials 35%, Building Materials 13%, Wholesale 6%. *Share of counted companies in SIC 5033 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 5033 companies? The people to talk to are usually sales, 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 5033 (Wholesale roofing, siding and insulation) ``` ### 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 sales, supply chain and procurement leaders at companies with SIC code 5033, 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 Other SIC codes in major group 50: [SIC 5014: Wholesale tires and tubes](https://enrich.chat/sic/5014/)[SIC 5094: Wholesale jewelry and precious stones](https://enrich.chat/sic/5094/) ## Frequently asked questions ### What is SIC code 5033? SIC 5033 is the code for Wholesale roofing, siding and insulation, in division F (Wholesale Trade). ### What is the NAICS code for SIC 5033 (Wholesale roofing, siding and insulation)? 82% of the companies counted carry NAICS 423330 (Roofing, Siding, and Insulation Material Merchant Wholesalers), but the two systems do not map one to one. ### Which companies are classified under SIC 5033? The biggest by headcount range include ABC Supply, Srs Distribution, Primesource Building Products, Lansing Building Products and Heritage Pool Supply Group. The page lists 25 with links to their profiles where we have them. ### How big are the companies in SIC 5033? 57% 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 5033 companies ```text Use www.enrich.chat to find the sales, supply chain and procurement leaders at companies with SIC code 5033, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [SIC 5014](https://enrich.chat/sic/5014/) - [SIC 5094](https://enrich.chat/sic/5094/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)