Company lists · Data refreshed September 2026

Top 25 Hazardous materials transportation companies based in the United States

Name: Hazardous materials transportation companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 16, 2026 601 companies tracked

RevenueBase identified 601 hazardous materials transportation companies headquartered in the United States as of September 2026 and tracks 13,448 professional contacts across them, including 3,877 with verified work emails. Houston is the largest hub.

This list covers hazardous materials transportation companies headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 16, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 16, 2026 86% judged on-target in blind review

601Companies

13,448Contacts tracked

3,877Verified emails

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The 25 largest hazardous materials transportation companies based in the United States

Ranked by team size

Top 25 of 601 hazardous materials transportation companies based in the United States, ranked by team size, largest first. Data refreshed Sep 16, 2026. RevenueBase Smart Search rates how each company's information relates to hazardous materials transportation companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Fedex Custom Critical	Partial evidence	Uniontown, OH, United StatesHQ checked Sep 16, 2026	501-1,000	1,176 contacts →
	Partial evidence “FedEx Custom Critical is a premium North American over-the-road transportation provider for shipments that need extra attention and care.” Source: RevenueBase Database · checked Sep 16, 2026
2	Quantix	Indirect evidence	The Woodlands, TX, United StatesHQ checked Sep 16, 2026	1,001-5,000	699 contacts →
	Indirect evidence “For more than half a century, Quantix has provided the world’s largest chemical companies with end-to-end support through a nationwide network, a comprehensive suite of services…” Source: RevenueBase Database · checked Sep 16, 2026
3	Heniff Transportation Systems	Partial evidence	Oak Brook, IL, United StatesHQ checked Sep 16, 2026	1,001-5,000	507 contacts →
	Partial evidence “Heniff is the premier solutions service provider in the bulk liquid chemical and food transportation industry.” Source: RevenueBase Database · checked Sep 16, 2026
4	Groendyke Transport	Partial evidence	Enid, OK, United StatesHQ checked Sep 16, 2026	1,001-5,000	506 contacts →
	Partial evidence “Groendyke Transport provides superior and dependable transportation services and bulk logistics solutions which consistently delivers value to leading companies who place a…” Source: RevenueBase Database · checked Sep 16, 2026
5	Enviroserve	Indirect evidence	Sandy, UT, United StatesHQ checked Sep 16, 2026	1,001-5,000	384 contacts →
	Indirect evidence “EnviroServe provides comprehensive environmental and rail services to safely remediate and prevent environmental releases, manage waste, and respond to emergency and catastrophic…” Source: RevenueBase Database · checked Sep 16, 2026
6	Rinchem Company	Partial evidence	Albuquerque, NM, United StatesHQ checked Sep 16, 2026	1,001-5,000	378 contacts →
	Partial evidence “Rinchem is the worldwide leader in chemical warehousing, transportation, freight forwarding, and technology.” Source: RevenueBase Database · checked Sep 16, 2026
7	Ironclad Environmental Solutions	Indirect evidence	Houston, TX, United StatesHQ checked Sep 16, 2026	201-500	263 contacts →
	Indirect evidence “Ironclad Environmental Solutions is the leading provider of custom waste management solutions, supported by the largest national fleet of innovative, top-quality specialty assets.” Source: RevenueBase Database · checked Sep 16, 2026
8	Highway Transport Logistics, INC	Indirect evidence	Knoxville, TN, United StatesHQ checked Sep 16, 2026	501-1,000	254 contacts →
	Indirect evidence “Our Promise.” Source: RevenueBase Database · checked Sep 16, 2026
9	Transwood Carriers	Indirect evidence	Omaha, United StatesHQ checked Sep 16, 2026	1,001-5,000	252 contacts →
	Indirect evidence “Since 1928, customer service has been our commitment, paying attention to the details and exceeding our customers’ expectations.” Source: RevenueBase Database · checked Sep 16, 2026
10	Action Resources	Strong evidence	Birmingham, AL, United StatesHQ checked Sep 16, 2026	1,001-5,000	222 contacts →
	Strong evidence “Action Resources provides transportation services, hauling chemicals and hazardous waste throughout the U.S.” Source: RevenueBase Database · checked Sep 16, 2026
11	Labelmaster	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 16, 2026	201-500	212 contacts →
	Indirect evidence “For more than five decades, Labelmaster has been the go-to source for companies – big and small – to navigate and comply with the complex, ever-changing regulations that govern…” Source: RevenueBase Database · checked Sep 16, 2026
12	TAS Environmental Services, L.P	Indirect evidence	Irving, TX, United StatesHQ checked Sep 16, 2026	201-500	199 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026
13	Service Transport	Indirect evidence	Houston, United StatesHQ checked Sep 16, 2026	201-500	183 contacts →
	Indirect evidence “Service Transport Company is a wholly owned subsidiary of Adams Resources and Energy, Inc.” Source: RevenueBase Database · checked Sep 16, 2026
14	Modern Transportation Services	Strong evidence	Pittsburgh, PA, United StatesHQ checked Sep 16, 2026	201-500	165 contacts →
	Strong evidence “Since 1987 Modern Transportation has served numerous material and chemical providers, energy producers and industrial manufacturers.” Source: RevenueBase Database · checked Sep 16, 2026
15	Altom Transport	Indirect evidence	Hammond, IN, United StatesHQ checked Sep 16, 2026	201-500	153 contacts →
	Indirect evidence “We're North America's Specialized Carrier of Petroleum & Chemical Products Since 1948, Altom Transport has faithfully served a growing roster of Fortune 500 companies and…” Source: RevenueBase Database · checked Sep 16, 2026
16	Brt, INC	Indirect evidence	Parkesburg, PA, United StatesHQ checked Sep 16, 2026	51-200	150 contacts →
	Indirect evidence “BRT is a transporter of bulk liquid products including gasoline, diesel, biodiesel, ethanol, DEF, aviation gas, jet fuel, kerosene, lube oil, fuel oil and other non-petroleum…” Source: RevenueBase Database · checked Sep 16, 2026
17	Hilco Transport, INC	Indirect evidence	Greensboro, NC, United StatesHQ checked Sep 16, 2026	501-1,000	143 contacts →
	Indirect evidence “Hilco Transport is a Diverse Company!” Source: RevenueBase Database · checked Sep 16, 2026
18	Cleaning Guys, LLC	Indirect evidence	Fort Worth Tx, TX, United StatesHQ checked Sep 16, 2026	1,001-5,000	115 contacts →
	Indirect evidence “CG, an EnviroServe Company (CG), founded in 1992, is a full-service environmental and hazmat cleanup company.” Source: RevenueBase Database · checked Sep 16, 2026
19	Clean Harbors Environmental Services	Indirect evidence	Miramar, FL, United StatesHQ checked Sep 16, 2026	n/a	113 contacts →
	Indirect evidence “CLEAN HARBORS ENVIRONMENTAL SERVICES is an environmental services company based out of 11241 INTERCHANGE CIR S, MIRAMAR, Florida, United States.” Source: RevenueBase Database · checked Sep 16, 2026
20	Contractor Transport, LLC	Partial evidence	Jefferson Twp., PA, United StatesHQ checked Sep 16, 2026	51-200	113 contacts →
	Partial evidence “Contractor Transport (CT) is a leading transportation and environmental solutions provider serving the Eastern United States and Appalachian Basin.” Source: RevenueBase Database · checked Sep 16, 2026
21	Intermodal Tank Transport INC USA	Partial evidence	Houston, TX, United StatesHQ checked Sep 16, 2026	51-200	109 contacts →
	Partial evidence “Intermodal Tank Transport (ITT) has established itself as a market leader in global tank container logistics and transportation.” Source: RevenueBase Database · checked Sep 16, 2026
22	Energy Transport Logistics	Partial evidence	Carson, CA, United StatesHQ checked Sep 16, 2026	201-500	102 contacts →
	Partial evidence “With over 200 years of combined transportation experience, we are delivering powerful solutions for your transportation and supply chain needs through the South West United and…” Source: RevenueBase Database · checked Sep 16, 2026
23	CCC	Partial evidence	Waxahachie, TX, United StatesHQ checked Sep 16, 2026	201-500	98 contacts →
	Partial evidence “Liquid bulk transportation.” Source: RevenueBase Database · checked Sep 16, 2026
24	Superior Carriers	Indirect evidence	Oak Brook, IL, United StatesHQ checked Sep 16, 2026	501-1,000	97 contacts →
	Indirect evidence “Superior Carriers is among the largest bulk truck carriers in North America, with daily operations in the US, Canada and Mexico.” Source: RevenueBase Database · checked Sep 16, 2026
25	DGM USA	Indirect evidence	Houston, TX, United StatesHQ checked Sep 16, 2026	51-200	96 contacts →
	Indirect evidence “DGM Services, Inc.” Source: RevenueBase Database · checked Sep 16, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: hazardous materials transportation companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names hazardous materials transportation companies.
Partial evidence: Its own public description names part of hazardous materials transportation companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name hazardous materials transportation companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 601 hazardous materials transportation companies based in the United States

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Hazardous materials transportation companies based in the United States at a glance

As of Sep 16, 2026

28.8%Verified-email coverage

22.4Average contacts per company

11-50Median size (employees)

7.5%Largest-city concentration · Houston

Sep 16, 2026Page data refreshed

Companies by employee count

1-10

193

11-50

217

51-200

121

201-500

501-1,000

1,001-5,000

10001+

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 601 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among hazardous materials transportation companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United States whose own description of what they do matches “hazardous materials transportation companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names hazardous materials transportation companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among hazardous materials transportation companies, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every listed company carries at least one verified work email, 3,877 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 16, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Hazardous materials transportation companies by metro

Hazardous materials transportation companies in Houston45

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names hazardous materials transportation companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many hazardous materials transportation companies are there based in the United States?

RevenueBase identified 601 hazardous materials transportation companies headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Fedex Custom Critical, headquartered in Uniontown, tops this list with the largest team on record.

Which city has the most hazardous materials transportation companies?

Houston leads with 45 headquartered companies, followed by Miami (11) and Chicago (9).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 3,877 verified decision-maker contacts tracked across these 601 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 16, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.