> 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/484121/texas/ # NAICS 484121 companies in Texas Companies with NAICS code 484121 (General Freight Trucking, Long-Distance, Truckload) headquartered in Texas, with their cities, sizes and SIC codes. By Enrich.chat Editorial. Updated October 22, 2026. **Short answer:** The biggest NAICS 484121 companies in Texas by headcount range include Quantix, Stevens Transport and Ta Services. NAICS 484121 is the code for General Freight Trucking, Long-Distance, Truckload. Among those counted, they are mostly small: 75% have 200 or fewer employees. ## Which NAICS 484121 companies are in Texas? The biggest by headcount range include Quantix, Stevens Transport, Ta Services, Plastic Express and Sky Transportation Services. NAICS 484121 is the code for General Freight Trucking, Long-Distance, Truckload. Names link to a company profile where we have one. | Company | City | Employees | | --- | --- | --- | | Quantix | The Woodlands | 1,001 to 5,000 | | Stevens Transport | Dallas | 1,001 to 5,000 | | Ta Services | Mansfield | 501 to 1,000 | | Plastic Express | Montgomery | 501 to 1,000 | | Sky Transportation Services | El Paso | 501 to 1,000 | | Andrews Logistics | Southlake | 201 to 500 | | Zaro Transportation | Laredo | 201 to 500 | | Arnold Transportation Services | Grand Prairie | 201 to 500 | | Rig Runner | The Woodlands | 201 to 500 | | Tbm Carriers | San Antonio | 201 to 500 | | Robert Heath Trucking | Dallas | 201 to 500 | | Poly Trucking | Grand Prairie | 201 to 500 | | Bcb Transport | Mansfield | 201 to 500 | | Spirit Truck Lines | San Juan | 201 to 500 | | Xcel Bulk Logistics | Weatherford | 201 to 500 | | Uship | Austin | 51 to 200 | | Shipwell | Austin | 51 to 200 | | Fast Trac Transportation | Houston | 51 to 200 | | Sunline Global | San Antonio | 51 to 200 | | Clark Freight Lines | Pasadena | 51 to 200 | | Transcar Express | Brownsville | 51 to 200 | | Lykes Cartage | Austin | 51 to 200 | | Tsd Logistics | Texarkana | 51 to 200 | | Delivery | Dallas | 51 to 200 | | Koolshot Expedited | Lancaster | 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. ## Which cities in Texas? Within Texas, Dallas (12%), El Paso (10%) and Austin (8%) are the most common headquarters. **Figure: Cities of NAICS 484121 companies in Texas.** Bars for the share of counted NAICS 484121 companies in Texas headquartered in each city: Dallas 12%, El Paso 10%, Austin 8%, Fort Worth 5%, Houston 5%, San Antonio 5%. *Share of counted NAICS 484121 companies in Texas by headquarters city.* ## How big are they? 45% of the NAICS 484121 companies counted in Texas 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 NAICS 484121 companies in Texas.** Seven columns for the share of counted NAICS 484121 companies in Texas in each employee range: 11 to 50 45%, 51 to 200 30%, 201 to 500 17%, 501 to 1,000 5%, 1,001 to 5,000 3%, 5,001 to 10,000 0%, 10,001+ 0%. *Share of counted NAICS 484121 companies in Texas in each employee range.* ## Which SIC codes do they carry? The older SIC system and NAICS do not line up one to one. These are the SIC codes seen most here. **Figure: SIC codes of NAICS 484121 companies in Texas.** Bars for the share of counted NAICS 484121 companies in Texas with each code: 4213 88%, 4214 5%, 4212 3%, 4731 3%. *Share of counted NAICS 484121 companies in Texas by their SIC code.* ## How do you reach the people at these Texas companies? The people to talk to are usually operations, fleet and supply chain 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 484121 in Texas ``` ### 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, fleet and supply chain leaders at companies with NAICS code 484121 in Texas, 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 484121: General Freight Trucking, Long-Distance, Truckload](https://enrich.chat/naics/484121/). About the place: [companies in Texas](https://enrich.chat/companies-in/texas/). NAICS 484121 in other states: [Illinois](https://enrich.chat/naics/484121/illinois/) Other NAICS codes in Texas: [NAICS 541511: Custom Computer Programming Services](https://enrich.chat/naics/541511/texas/)[NAICS 541512: Computer Systems Design Services](https://enrich.chat/naics/541512/texas/)[NAICS 238220: Plumbing, Heating, and Air-Conditioning](https://enrich.chat/naics/238220/texas/)[NAICS 621111: Offices of Physicians](https://enrich.chat/naics/621111/texas/)[NAICS 722511: Full-Service Restaurants](https://enrich.chat/naics/722511/texas/)[NAICS 531210: Offices of Real Estate Agents](https://enrich.chat/naics/531210/texas/)[NAICS 236115: New Single-Family Housing Construction](https://enrich.chat/naics/236115/texas/)[NAICS 236220: Commercial and Institutional Building](https://enrich.chat/naics/236220/texas/)[NAICS 541110: Offices of Lawyers](https://enrich.chat/naics/541110/texas/)[NAICS 524210: Insurance Agencies and Brokerages](https://enrich.chat/naics/524210/texas/) ## Frequently asked questions ### Which NAICS 484121 companies are in Texas? The biggest by headcount range include Quantix, Stevens Transport, Ta Services, Plastic Express and Sky Transportation Services. The page lists 25 with links to their profiles where we have them. ### What is NAICS 484121? NAICS 484121 is the code for General Freight Trucking, Long-Distance, Truckload, in sector 48-49: Transportation and Warehousing. ### Which cities in Texas have the most? Dallas (12%), El Paso (10%) and Austin (8%) lead among the companies counted. ## Try this prompt Find the people at NAICS 484121 companies in Texas ```text Use www.enrich.chat to find the operations, fleet and supply chain leaders at companies with NAICS code 484121 in Texas, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [NAICS 484121 in Illinois](https://enrich.chat/naics/484121/illinois/) - [NAICS 541511 in Texas](https://enrich.chat/naics/541511/texas/) - [NAICS 541512 in Texas](https://enrich.chat/naics/541512/texas/) - [NAICS 238220 in Texas](https://enrich.chat/naics/238220/texas/) - [NAICS 621111 in Texas](https://enrich.chat/naics/621111/texas/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)