> 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/4011/ # SIC code 4011: Railroad line-haul operator The companies classified under SIC 4011, 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 4011 is the Standard Industrial Classification code for Railroad line-haul operator, in division E (Transportation, Communications, Electric, Gas, and Sanitary Services). The companies counted under it are mixed in size, with the middle one in the 201 to 500 range. ## What is SIC 4011? SIC 4011 is the Standard Industrial Classification code for Railroad line-haul operator. It sits in division E, Transportation, Communications, Electric, Gas, and Sanitary Services. 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 482111 (63%). - 23% of the companies counted have 50 or fewer employees, and the middle one is in the 201 to 500 range. - The largest group is headquartered in the United States (35%). - Most were founded in the 2000s (31%), then the 2010s (22%). **Figure: How SIC 4011 is built.** The code 4011 split into its parts: major group 40, then industry group and industry. It sits in division E, Transportation, Communications, Electric, Gas, and Sanitary Services. *The four digits of SIC 4011.* ## Which companies are classified under SIC 4011? The biggest by headcount range include CSX, Metrolinx, Iarnród Éireann Irish Rail, Dsb and Kansas City Southern. Names link to a company profile where we have one. | Company | Headquarters | Employees | | --- | --- | --- | | [CSX](https://enrich.chat/company/csx/) | Jacksonville, FL | 10,001+ | | Metrolinx | Toronto, Canada | 5,001 to 10,000 | | Dsb | Hoje Taastrup Taastrup, Denmark | 5,001 to 10,000 | | Kansas City Southern | Kansas City, MO | 5,001 to 10,000 | | Transdev | Berlin, Germany | 5,001 to 10,000 | | Brado Logística | Curitiba, Brazil | 1,001 to 5,000 | | Trenord | Milano, Italy | 1,001 to 5,000 | | Cp - Comboios De Portugal, Epe | Lisbon, Portugal | 1,001 to 5,000 | | Pacific National | North Sydney, Australia | 1,001 to 5,000 | | Grindrod Logistics | Durban, South Africa | 1,001 to 5,000 | | Bls | Bern, Switzerland | 1,001 to 5,000 | | R. J. Corman Railroad Group | Nicholasville, KY | 1,001 to 5,000 | | Transpennine Express | Manchester, United Kingdom | 1,001 to 5,000 | | Green Cargo | Stockholm, Sweden | 1,001 to 5,000 | | Transfesa Logistics | Madrid, Spain | 1,001 to 5,000 | | Perurail | Wanchaq, Peru | 501 to 1,000 | | Arc Infrastructure | Perth, Australia | 501 to 1,000 | | Alaska Railroad | Anchorage, AK | 501 to 1,000 | | Pan Am Railways | N. Billerica, MA | 501 to 1,000 | | Nordwestbahn | Osnabruck, Germany | 501 to 1,000 | | Db Cargo Scandinavia | Taastrup Copenhagen, Denmark | 201 to 500 | | The Belt Railway Company Of Chicago | Bedford Park, IL | 201 to 500 | | [Hitachi Rail](https://enrich.chat/company/hitachi-rail/) | Honolulu, HI | 201 to 500 | | West Midlands Metro | Birmingham, United Kingdom | 201 to 500 | | Rbh Logistics | Gladbeck, Germany | 201 to 500 | 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 4011 companies based? The largest groups are headquartered in the United States (35%), the United Kingdom (18%) and Germany (11%). **Figure: Where companies in SIC 4011 are based.** Bars for the share of counted companies in SIC 4011 headquartered in each country: United States 35%, United Kingdom 18%, Germany 11%. *Share of counted companies in SIC 4011 by headquarters country.* ## How big are the companies counted for SIC 4011? 23% of them have 50 or fewer employees, and the middle one is in the 201 to 500 range. Companies with fewer than 11 employees are not counted. **Figure: Size of companies in SIC 4011.** Seven columns for the share of counted companies in SIC 4011 in each employee range: 11 to 50 23%, 51 to 200 26%, 201 to 500 15%, 501 to 1,000 9%, 1,001 to 5,000 17%, 5,001 to 10,000 8%, 10,001+ 2%. *Share of counted companies in SIC 4011 in each employee range.* ## How SIC 4011 compares - 23% of companies in SIC 4011 have 50 or fewer employees, against 60% across all NAICS codes on this site. ## SIC 4011 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 4011. | Code | Title | Share of counted | | --- | --- | --- | | NAICS 482111 | Line-Haul Railroads | 63% | | [NAICS 488510](https://enrich.chat/naics/488510/) | Freight Transportation Arrangement | 6% | | [NAICS 488999](https://enrich.chat/naics/488999/) | All Other Support Activities for Transportation | 4% | | NAICS 531190 | Lessors of Other Real Estate Property | 4% | ## How do SIC 4011 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 Rail Transportation (35%), Truck Transportation (22%) and Transportation; Logistics; Supply Chain and Storage (18%). **Figure: How companies in SIC 4011 describe themselves.** Bars for the share of counted companies in SIC 4011 that give each industry on their public profile: Rail Transportation 35%, Truck Transportation 22%, Transportation; Logistics; Supply Chain and Storage 18%, Transportation/Trucking/Railroad 12%. *Share of counted companies in SIC 4011 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 4011 companies? The people to talk to are usually operations, IT 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 4011 (Railroad line-haul operator) ``` ### 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, IT and procurement leaders at companies with SIC code 4011, 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 4011? SIC 4011 is the code for Railroad line-haul operator, in division E (Transportation, Communications, Electric, Gas, and Sanitary Services). ### What is the NAICS code for SIC 4011 (Railroad line-haul operator)? 63% of the companies counted carry NAICS 482111 (Line-Haul Railroads), but the two systems do not map one to one. ### Which companies are classified under SIC 4011? The biggest by headcount range include CSX, Metrolinx, Iarnród Éireann Irish Rail, Dsb and Kansas City Southern. The page lists 25 with links to their profiles where we have them. ### How big are the companies in SIC 4011? 23% have 50 or fewer employees, and the middle one is in the 201 to 500 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 4011 companies ```text Use www.enrich.chat to find the operations, IT and procurement leaders at companies with SIC code 4011, 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/)