Company lists · Data refreshed September 2026

Top 25 Subcontractor management consultants based in the United States

RevenueBase identified 2,358 subcontractor management consultants headquartered in the United States as of September 2026 and tracks 23,596 professional contacts across them, including 8,074 with verified work emails. New York is the largest hub.

This list covers subcontractor management consultants 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 29, 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 29, 2026 86% judged on-target in blind review
2,358Companies
23,596Contacts tracked
8,074Verified emails
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The 25 largest subcontractor management consultants based in the United States

Ranked by team size
Top 25 of 2,358 subcontractor management consultants based in the United States, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to subcontractor management consultants: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceDallas, TX, United StatesHQ checked Sep 29, 2026501-1,0001,082 contacts →

Partial evidence

“Established in 2001, ISN® is the global leader in contractor and supplier management.”

Source: RevenueBase Database · checked Sep 29, 2026
2Indirect evidenceFairfax, VA, United StatesHQ checked Sep 29, 2026201-500558 contacts →

Indirect evidence

“GSA National has been helping government contractors ensure compliance and streamline costs since 1991.”

Source: RevenueBase Database · checked Sep 29, 2026
3Partial evidenceNew York, NY, United StatesHQ checked Sep 29, 2026201-500450 contacts →

Partial evidence

“Hunter Roberts delivers a broad range of construction management services proven by a founding executive team whose collective experience is unsurpassed industrywide.”

Source: RevenueBase Database · checked Sep 29, 2026
4Partial evidenceWinchester, MA, United StatesHQ checked Sep 29, 2026501-1,000403 contacts →

Partial evidence

“John Moriarty & Associates was founded in 1985 with a determination to provide the best possible construction management services to our clients.”

Source: RevenueBase Database · checked Sep 29, 2026
5Strong evidencePhoenix, AZ, United StatesHQ checked Sep 29, 2026201-500377 contacts →

Strong evidence

“Consultant Engineering, Inc.(CEI) is a professional consulting firm established in 1996; today CEI is one of the Southwest’s most reputable Construction Management (CM) firms.”

Source: RevenueBase Database · checked Sep 29, 2026
6Strong evidenceDetroit, MI, United StatesHQ checked Sep 29, 2026201-500367 contacts →

Strong evidence

“PMA Consultants is a nationally recognized program, project, and construction management consulting firm founded in 1971.”

Source: RevenueBase Database · checked Sep 29, 2026
7Indirect evidenceMalvern, PA, United StatesHQ checked Sep 29, 202651-200334 contacts →

Indirect evidence

“IMC Construction is an award-winning professional construction firm based in Malvern, Pennsylvania.”

Source: RevenueBase Database · checked Sep 29, 2026
8Partial evidenceGreenville, SC, United StatesHQ checked Sep 29, 2026201-500324 contacts →

Partial evidence

“Harper is a full-service general contracting and construction management firm headquartered in downtown Greenville, South Carolina.”

Source: RevenueBase Database · checked Sep 29, 2026
9Indirect evidenceCambridge, United StatesHQ checked Sep 29, 2026n/a313 contacts →

Indirect evidence

“ATS – 40 Years: Advancing Projects, Boosting Profits, and Cutting Costs For over 40 years, ATS has partnered with organizations worldwide to deliver outstanding results.”

Source: RevenueBase Database · checked Sep 29, 2026
10Indirect evidencePeachtree Corners, GA, United StatesHQ checked Sep 29, 2026201-500232 contacts →

Indirect evidence

“The Spear Group has partnered with companies in a variety of industries, including gas and electric utilities, architecture and engineering firms, construction, pharmaceuticals…”

Source: RevenueBase Database · checked Sep 29, 2026
11Partial evidenceDublin, OH, United StatesHQ checked Sep 29, 2026201-500212 contacts →

Partial evidence

“Ruscilli Construction Co, LLC originated as a specialty contractor and has since evolved into a full-service organization offering in-house preconstruction, program management…”

Source: RevenueBase Database · checked Sep 29, 2026
12Partial evidencePalatine, IL, United StatesHQ checked Sep 29, 202651-200146 contacts →

Partial evidence

“Builtech is not a typical General Contractor / Construction Management Firm.”

Source: RevenueBase Database · checked Sep 29, 2026
13Indirect evidenceBrecksville, OH, United StatesHQ checked Sep 29, 202651-200144 contacts →

Indirect evidence

“One of several companies under the DiGeronimo Companies umbrella, which has roots as a self-perform contractor dating back to 1956, Independence Construction was formed to bring a…”

Source: RevenueBase Database · checked Sep 29, 2026
14Partial evidenceChicago, IL, United StatesHQ checked Sep 29, 202651-200140 contacts →

Partial evidence

“Founded in 1980, Novak Construction is a national general contractor and construction management firm based in Chicago, Illinois.”

Source: RevenueBase Database · checked Sep 29, 2026
15Indirect evidenceSanta Ana, CA, United StatesHQ checked Sep 29, 2026501-1,000138 contacts →

Indirect evidence

“We’re strategic thinkers and complex problem solvers.”

Source: RevenueBase Database · checked Sep 29, 2026
16Indirect evidencePhoenix, AZ, United StatesHQ checked Sep 29, 202651-200137 contacts →

Indirect evidence

“Builder.”

Source: RevenueBase Database · checked Sep 29, 2026
17Indirect evidenceDavie, FL, United StatesHQ checked Sep 29, 202651-200132 contacts →

Indirect evidence

“ANF has developed a track record and reputation for delivering exceptional quality, price and value to any project we are involved with.”

Source: RevenueBase Database · checked Sep 29, 2026
18Indirect evidencePlainfield, IL, United StatesHQ checked Sep 29, 202651-200128 contacts →

Indirect evidence

“Datics Inc is passionate about seeking ever better synergy with our clients.”

Source: RevenueBase Database · checked Sep 29, 2026
19Partial evidenceReston, VA, United StatesHQ checked Sep 29, 2026201-500120 contacts →

Partial evidence

“TG Federal is an IT subcontractor in the Federal marketplace with more than 20 years of experience providing specialized IT talent to Government Contracts across Civilian, Federal…”

Source: RevenueBase Database · checked Sep 29, 2026
20Partial evidencePittsford, NY, United StatesHQ checked Sep 29, 202651-200109 contacts →

Partial evidence

“Campus Construction Management Group specializes in professional construction management services, with a proactive approach and tailored solutions to plan, coordinate, and manage…”

Source: RevenueBase Database · checked Sep 29, 2026
21Indirect evidenceRed Bank, NJ, United StatesHQ checked Sep 29, 202651-200109 contacts →

Indirect evidence

“We Make Your Business Operations Comfortable.”

Source: RevenueBase Database · checked Sep 29, 2026
22Partial evidenceOpa-locka, FL, United StatesHQ checked Sep 29, 202651-200107 contacts →

Partial evidence

“Thornton Construction Company, Inc, a contracting and construction management firm headquartered in Miami, was founded by Thomas Thornton in 1998.”

Source: RevenueBase Database · checked Sep 29, 2026
23Indirect evidenceAllen, TX, United StatesHQ checked Sep 29, 2026201-500104 contacts →

Indirect evidence

“SCRG helps product companies manage, improve and optimize the value of their key offshore supplier relationships.”

Source: RevenueBase Database · checked Sep 29, 2026
24Partial evidenceChicago, IL, United StatesHQ checked Sep 29, 202651-200102 contacts →

Partial evidence

“The Concord Group is a progressive development and construction consulting firm that provides a comprehensive, fully integrated suite of project management controls to mitigate…”

Source: RevenueBase Database · checked Sep 29, 2026
25Indirect evidenceSan Carlos, CA, United StatesHQ checked Sep 29, 202651-200100 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 29, 2026

Showing 25 of 2,358 subcontractor management consultants based in the United States

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Subcontractor management consultants based in the United States at a glance

As of Sep 29, 2026
34.2%Verified-email coverage
10.0Average contacts per company
1-10Median size (employees)
3.7%Largest-city concentration · New York
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
1,538
11-50
648
51-200
133
201-500
25
501-1,000
6
1,001-5,000
3

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 2,358 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 subcontractor management consultants, 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 “subcontractor management consultants”. 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 subcontractor management consultants), 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 subcontractor management consultants, 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, 8,074 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 29, 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 subcontractor management consultants, 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 subcontractor management consultants are there based in the United States?

RevenueBase identified 2,358 subcontractor management consultants 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?

ISN, headquartered in Dallas, tops this list with the largest team on record.

Which city has the most subcontractor management consultants?

New York leads with 88 headquartered companies, followed by Houston (57) and Chicago (47).

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 8,074 verified decision-maker contacts tracked across these 2,358 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 29, 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.