Company lists · Data refreshed September 2026

Top 25 First-line manager training companies based in the United States

Name: First-line manager training 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 20, 2026 785 companies tracked

RevenueBase identified 785 first-line manager training companies headquartered in the United States as of September 2026 and tracks 5,335 professional contacts across them, including 1,707 with verified work emails. New York is the largest hub.

This list covers first-line manager training 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 20, 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 20, 2026 86% judged on-target in blind review

785Companies

5,335Contacts tracked

1,707Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest first-line manager training companies based in the United States

Ranked by team size

Top 25 of 785 first-line manager training companies based in the United States, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to first-line manager training 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	Dale Carnegie Training	Indirect evidence	New York, NY, United StatesHQ checked Sep 20, 2026	1,001-5,000	1,762 contacts →
	Indirect evidence “Dale Carnegie helps people from all walks of life become fearless, giving leaders the confidence they need to get the most out of life and work.” Source: RevenueBase Database · checked Sep 20, 2026
2	Crestcom International	Indirect evidence	Greenwood Village, CO, United StatesHQ checked Sep 20, 2026	n/a	177 contacts →
	Indirect evidence “Crestcom International is a global leader in leadership development for over three decades in 60+ countries.” Source: RevenueBase Database · checked Sep 20, 2026
3	Ariel Group	Partial evidence	Waltham, MA, United StatesHQ checked Sep 20, 2026	51-200	139 contacts →
	Partial evidence “At Ariel, we help develop authentic leaders through leadership development programs, communication training, executive coaching, and executive mentorship.” Source: RevenueBase Database · checked Sep 20, 2026
4	Mobius Executive Leadership	Partial evidence	Needham, MA, United StatesHQ checked Sep 20, 2026	11-50	138 contacts →
	Partial evidence “Mobius Executive Leadership is a premier coaching, training and leadership development company.” Source: RevenueBase Database · checked Sep 20, 2026
5	Lifelabs Learning	Partial evidence	Brooklyn, United StatesHQ checked Sep 20, 2026	51-200	128 contacts →
	Partial evidence “LifeLabs Learning is the source for instantly useful and delightfully unusual learning and development for managers that sticks.” Source: RevenueBase Database · checked Sep 20, 2026
6	Pathstream	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 20, 2026	51-200	102 contacts →
	Indirect evidence “Fortune 500 business leaders select Pathstream to energize and equip each frontline team member to excel.” Source: RevenueBase Database · checked Sep 20, 2026
7	Upskill Consultancy	Partial evidence	Jackson Heights, United StatesHQ checked Sep 20, 2026	501-1,000	101 contacts →
	Partial evidence “Upskill Consultancy is a leading provider of professional training and development services, committed to helping individuals and organizations achieve their full potential.” Source: RevenueBase Database · checked Sep 20, 2026
8	Lifehikes	Partial evidence	Montclair, NJ, United StatesHQ checked Sep 20, 2026	51-200	79 contacts →
	Partial evidence “LifeHikes is a premier, full-service training company dedicated to delivering transformative learning journeys that empower individuals to grow-driving meaningful results for your…” Source: RevenueBase Database · checked Sep 20, 2026
9	Zenger Folkman	Partial evidence	Orem, UT, United StatesHQ checked Sep 20, 2026	201-500	50 contacts →
	Partial evidence “Zenger Folkman delivers high-impact leadership development and corporate training programs with the goal to help our clients boost employee productivity, strengthen employee…” Source: RevenueBase Database · checked Sep 20, 2026
10	Coaching Right NOW	Indirect evidence	Remote First, United StatesHQ checked Sep 20, 2026	51-200	44 contacts →
	Indirect evidence “Coaching Right Now helps businesses solve their problems through their people.” Source: RevenueBase Database · checked Sep 20, 2026
11	Raise The BAR Certified B Corp	Partial evidence	Chicago, IL, United StatesHQ checked Sep 20, 2026	11-50	40 contacts →
	Partial evidence “Level up your managers and help your team reach its full potential.” Source: RevenueBase Database · checked Sep 20, 2026
12	National Seminars Training	Partial evidence	Mission, KS, United StatesHQ checked Sep 20, 2026	51-200	32 contacts →
	Partial evidence “For over three decades, National Seminars Training has been the recognized industry leader in employee training and development.” Source: RevenueBase Database · checked Sep 20, 2026
13	Learning Dynamics	Strong evidence	Wallingford, CT, United StatesHQ checked Sep 20, 2026	11-50	29 contacts →
	Strong evidence “https://vimeo.com/256864983 Learning Dynamics (LD) is a full service organizational training and management consulting firm serving clients in various industries across the…” Source: RevenueBase Database · checked Sep 20, 2026
14	Milestone Leadership	Indirect evidence	Fayetteville, AR, United StatesHQ checked Sep 20, 2026	1-10	27 contacts →
	Indirect evidence “Building Leaders Worth Following: that’s what we do.” Source: RevenueBase Database · checked Sep 20, 2026
15	HRDQ	Indirect evidence	West Chester, PA, United StatesHQ checked Sep 20, 2026	11-50	27 contacts →
	Indirect evidence “We're dedicated to helping organizations thrive by developing their most valuable asset: their people.” Source: RevenueBase Database · checked Sep 20, 2026
16	The Breakthrough CO	Strong evidence	Boulder, CO, United StatesHQ checked Sep 20, 2026	11-50	25 contacts →
	Strong evidence “Creating more human workplaces through management training that sticks.” Source: RevenueBase Database · checked Sep 20, 2026
17	The Speech Improvement Company	Indirect evidence	Framingham, MA, United StatesHQ checked Sep 20, 2026	11-50	22 contacts →
	Indirect evidence “Since we started in 1964, Amazon, Apple, Bain Capital, CVS, Gillette, Harvard, Pfizer, Raytheon, and the White House have all turned to us when their executives have an important…” Source: RevenueBase Database · checked Sep 20, 2026
18	Professional Development Academy	Indirect evidence	Clackamas, OR, United StatesHQ checked Sep 20, 2026	11-50	21 contacts →
	Indirect evidence “Purpose: Our purpose is to address the most pressing issue of our day – to develop frontline leaders to their fullest potential.” Source: RevenueBase Database · checked Sep 20, 2026
19	Campfire	Indirect evidence	Lehi, UT, United StatesHQ checked Sep 20, 2026	11-50	21 contacts →
	Indirect evidence “Empower leaders.” Source: RevenueBase Database · checked Sep 20, 2026
20	VSA Consulting Group	Indirect evidence	New York, NY, United StatesHQ checked Sep 20, 2026	11-50	20 contacts →
	Indirect evidence “VSA Consulting Group, LLC is a global pioneer in the use of coaching in the corporate world.” Source: RevenueBase Database · checked Sep 20, 2026
21	Strata Leadership	Indirect evidence	Edmond, OK, United StatesHQ checked Sep 20, 2026	1-10	19 contacts →
	Indirect evidence “Elevating Life at Work since 2009, the team at Strata Leadership believes that an organization's culture reflects its unique blend of character and competence.” Source: RevenueBase Database · checked Sep 20, 2026
22	Brody Professional Development	Strong evidence	Jenkintown, PA, United StatesHQ checked Sep 20, 2026	11-50	18 contacts →
	Strong evidence “BRODY Professional Development provides training, coaching and keynotes to corporate leaders, managers and individual contributors worldwide.” Source: RevenueBase Database · checked Sep 20, 2026
23	Lake Forest Center For Leadership	Indirect evidence	Lake Forest, IL, United StatesHQ checked Sep 20, 2026	51-200	18 contacts →
	Indirect evidence “Our mission is to develop the next generation of leaders because we believe great leaders change lives.” Source: RevenueBase Database · checked Sep 20, 2026
24	Effective Presentations	Partial evidence	Lakewood, CO, United StatesHQ checked Sep 20, 2026	11-50	18 contacts →
	Partial evidence “Effective Presentations is the premier provider of communication training skills and leadership development coaching.” Source: RevenueBase Database · checked Sep 20, 2026
25	Growth Development Associates, INC	Partial evidence	Naples, FL, United StatesHQ checked Sep 20, 2026	11-50	17 contacts →
	Partial evidence “The best way to understand what GDA can do for your company or organization is to think of this group of experienced professionals as your team of sales and management trainers…” Source: RevenueBase Database · checked Sep 20, 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: first-line manager training 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 first-line manager training companies.
Partial evidence: Its own public description names part of first-line manager training companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name first-line manager training 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 785 first-line manager training companies based in the United States

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 1,707 reachable decision-makers.

Free signup · no credit card

View the full list →

First-line manager training companies based in the United States at a glance

As of Sep 20, 2026

32.0%Verified-email coverage

6.8Average contacts per company

1-10Median size (employees)

3.7%Largest-city concentration · New York

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

666

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

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 785 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 first-line manager training 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 “first-line manager training 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 first-line manager training 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 first-line manager training 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, 1,707 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 20, 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.

First-line manager training companies by metro

First-line manager training companies in New York29

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 first-line manager training 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 first-line manager training companies are there based in the United States?

RevenueBase identified 785 first-line manager training 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?

Dale Carnegie Training, headquartered in New York, tops this list with the largest team on record.

Which city has the most first-line manager training companies?

New York leads with 29 headquartered companies, followed by Atlanta (19) and Chicago (18).

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 1,707 verified decision-maker contacts tracked across these 785 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 20, 2026.

Ready to reach these companies? Verified emails and direct dials for all 785 first-line manager training companies based in the United States. Start with a free account, no credit card.

Download this list →

Related lists

First-line manager training companies by geography

Browse the directory

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.