Company lists · Data refreshed September 2026
Top 25 Bus driver staffing agencies based in the United States
RevenueBase identified 213 bus driver staffing agencies headquartered in the United States as of September 2026 and tracks 22,769 professional contacts across them, including 1,423 with verified work emails. Houston is the largest hub.
This list covers bus driver staffing agencies 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 27, 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.
The 25 largest bus driver staffing agencies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 10,421 contacts → | ||||
Partial evidence “As leaders in the education staffing space since ESS specializes in placing qualified staff in daily, long-term, and permanent K-12 school district positions, including substitute…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 2 | 4,551 contacts → | ||||
Partial evidence “America’s #1 choice for educational staffing.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 3 | 618 contacts → | ||||
Indirect evidence “HireQuest Direct specializes in day labor, general labor, disaster recovery, skilled labor, janitorial, site clean-up, composite crew, demolition, administrative, hospitality…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 4 | 606 contacts → | ||||
Strong evidence “ProDrivers is the answer to your short- and long-term truck driver staffing challenges.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 5 | 517 contacts → | ||||
Partial evidence “CPC Logistics prides itself in providing professional driver services to facilitate the transportation of goods for many of the top private truck fleets in North America.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 6 | 443 contacts → | ||||
Partial evidence “Centerline Drivers connects thousands of drivers annually with Fortune and mid-sized companies.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 7 | 347 contacts → | ||||
Partial evidence “Renhill Group and Renhill HR On Demand -Renhill Group An educational substitute staffing firm that places substitute staff into school systems throughout mainly NW and NE Ohio.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 8 | 302 contacts → | ||||
Strong evidence “Driving Ambition is a premier CDL driver staffing company serving Indiana, Ohio, Kentucky, Tennessee, and Missouri.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 9 | 298 contacts → | ||||
Indirect evidence “We are QLM.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 10 | 295 contacts → | ||||
Partial evidence “School Professionals is an educational staffing service whose sole focus is recruiting, credentialing, interviewing and providing highly qualified and screened substitute and…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 11 | 273 contacts → | ||||
Indirect evidence “We focus on our core services of substitute recruiting, human resources, scheduling and employment, so that schools may focus on core services of instruction, curriculum, student…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 12 | 261 contacts → | ||||
Indirect evidence “Krapf Group is a family-owned and operated transportation business established in 1942, by George Krapf, Jr, to provide pupil transportation for the local municipalities.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 13 | 231 contacts → | ||||
Indirect evidence “ESS South Central is your FULL SERVICE Substitute Teacher Solution!” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 14 | 201 contacts → | ||||
Indirect evidence “Established in 1995, Mediscan is a provider of highly qualified professionals to schools and healthcare facilities throughout the country.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 15 | 169 contacts → | ||||
Partial evidence “Apple Bus Company is a transportation services provider with headquarters in Cleveland, Missouri and operations in seven states.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 16 | 139 contacts → | ||||
Partial evidence “Logan Bus Co, Inc.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 17 | 131 contacts → | ||||
Indirect evidence “For over 15 years, Parallel Education has worked with public, private, and charter schools, providing substitute teacher dispatching service in 6 states including Wisconsin…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 18 | 122 contacts → | ||||
Indirect evidence “Trinity Transportation prides themselves as one of the most innovative ground transportation specialists in the industry, offering a full line of services including motor coaches…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 19 | 117 contacts → | ||||
Indirect evidence “Teachers On Reserve is always on the lookout for creative, outgoing, professional teachers who really enjoy working in an educational environment.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 20 | 104 contacts → | ||||
Indirect evidence “Krise Transportation, Inc.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 21 | 96 contacts → | ||||
Indirect evidence “Harlow's believes in providing more than just first class products and services.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 22 | 87 contacts → | ||||
Indirect evidence “GTS Transportation, Corp.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 23 | 81 contacts → | ||||
Partial evidence “Spec On The Job is the premiere staffing company focused on serving blue-collar industries.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 24 | 72 contacts → | ||||
Partial evidence “Paul Revere Transportation LLC is a Massachusetts Department of Telecommunications and Energy (DTE) licensed bus company with extensive experience in the operation of safe bus…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 25 | 68 contacts → | ||||
Indirect evidence “MTS is an employee owned Company whose vision is to keep safety paramount and provide world class customer service.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
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: bus driver staffing agencies. 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 bus driver staffing agencies.
- Partial evidence
- Its own public description names part of bus driver staffing agencies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name bus driver staffing agencies. 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 213 bus driver staffing agencies based in the United States
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Bus driver staffing agencies based in the United States at a glance
As of Sep 27, 2026Companies by employee count
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 213 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 bus driver staffing agencies, 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 “bus driver staffing agencies”. 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 bus driver staffing agencies), 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 bus driver staffing agencies, 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, 1,423 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 27, 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.
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 bus driver staffing agencies, 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 bus driver staffing agencies are there based in the United States?
RevenueBase identified 213 bus driver staffing agencies 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?
ESS, headquartered in Knoxville, tops this list with the largest team on record.
Which city has the most bus driver staffing agencies?
Houston leads with 8 headquartered companies, followed by Chicago (6) and New York (6).
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 1,423 verified decision-maker contacts tracked across these 213 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 27, 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.
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