Company lists · Data refreshed September 2026
Top 25 Purchasing consulting firms based in the United States
RevenueBase identified 1,118 purchasing consulting firms headquartered in the United States as of September 2026 and tracks 9,960 professional contacts across them, including 3,613 with verified work emails. Houston is the largest hub.
This list covers purchasing consulting firms 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.
The 25 largest purchasing consulting firms based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 429 contacts → | ||||
Indirect evidence “An innovative leader in procurement services and technology, LogicSource is purpose-built to drive profit improvement through better buying.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 356 contacts → | ||||
Indirect evidence “Avendra International is a leading strategic procurement and supply chain partner to a wide range of organizations worldwide.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 313 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, 2026Thanks. The Data Team will review it. | |||||
| 4 | 312 contacts → | ||||
Indirect evidence “Based in Sterling, Virginia, iQuasar LLC, with over 20 years of experience, we help small and medium businesses grow in the federal marketplace through Proposal Development…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 279 contacts → | ||||
Indirect evidence “Established in 1992, ERA Group (ERA) is one of the world’s leading consultancy organizations.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 273 contacts → | ||||
Indirect evidence “PSMI was founded in 2005 with the sole objective of increasing operational effectiveness by reducing tooling and MRO spending.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 267 contacts → | ||||
Indirect evidence “NPI is an IT procurement advisory services company that helps enterprises identify and eliminate overspending on IT purchases.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 260 contacts → | ||||
Indirect evidence “Every transformation starts with innovative ideas.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 177 contacts → | ||||
Indirect evidence “Since 2006, CoreTrust has been the trusted, strategic procurement partner that helps impact-driven organizations do more with less.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 169 contacts → | ||||
Indirect evidence “Procure Analytics (PA) is the leading data-enabled procurement services company with over $2.5B in spend under management.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 148 contacts → | ||||
Indirect evidence “Profit Recovery Partners, LLC is a professional services firm that develops, implements, and manages cost-reduction solutions for FORTUNE companies, private equity firms, and…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 136 contacts → | ||||
Indirect evidence “YCP Supply Chain (formerly Consus Global) is a solutions division of YCP Holdings, a Singapore-based organization traded on the Tokyo Stock Exchange.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 122 contacts → | ||||
Indirect evidence “For over a decade, SCA Technologies has provided category sourcing and cost management solutions that help industry leaders maximize profits by better managing market, supply and…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 112 contacts → | ||||
Indirect evidence “Welcome to Green Cabbage Inc.🥬 Green Cabbage, Inc.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 109 contacts → | ||||
Indirect evidence “We Make Your Business Operations Comfortable.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 94 contacts → | ||||
Indirect evidence “Engage fi was founded on the principle of putting ourselves in our clients’ shoes to understand their needs, their business objectives, and their definition of success.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 90 contacts → | ||||
Indirect evidence “Fine Tune is the ultimate spend reduction solution for indirect services, helping organizations achieve and sustain savings by enforcing competitiveness, fairness, and discipline…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 85 contacts → | ||||
Indirect evidence “En IDICO, transformamos la gestión de abastecimiento para impulsar el crecimiento y la rentabilidad de las grandes industrias en Latinoamérica.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 84 contacts → | ||||
Indirect evidence “For over 25 years Monterey Consultants, Inc.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 66 contacts → | ||||
Indirect evidence “UpperEdge provides organizations with relevant market and supplier intelligence, tailored sourcing and negotiation strategies, and precise execution methodologies to generate more…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 65 contacts → | ||||
Partial evidence “The Mitchell Madison Group is a premier management consulting firm.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 61 contacts → | ||||
Partial evidence “With unparalleled procurement and strategy consulting expertise, we approach each project with a fresh perspective and genuine curiosity to support our public sector clients.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 61 contacts → | ||||
Partial evidence “Strategic Partnerships, Inc.(SPI) is a nationally recognized leader in public sector business development and procurement consulting.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 56 contacts → | ||||
Partial evidence “RZ Strategies provides management consulting services helping companies avoid the many common pitfalls of the commercial process; we optimize sourcing, contracting and commercial…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 55 contacts → | ||||
Indirect evidence “Civic Initiatives is a Public Knowledge® company, nationally recognized leader in public sector procurement review and transformation support, focusing on making public…” Source: RevenueBase Database · checked Sep 29, 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: purchasing consulting firms. 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 purchasing consulting firms.
- Partial evidence
- Its own public description names part of purchasing consulting firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name purchasing consulting firms. 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 1,118 purchasing consulting firms based in the United States
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Purchasing consulting firms based in the United States at a glance
As of Sep 29, 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 1,118 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 purchasing consulting firms, 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 “purchasing consulting firms”. 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 purchasing consulting firms), 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 purchasing consulting firms, 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, 3,613 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.
Purchasing consulting firms by metro
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 purchasing consulting firms, 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 purchasing consulting firms are there based in the United States?
RevenueBase identified 1,118 purchasing consulting firms 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?
Logicsource, INC, headquartered in Westport, tops this list with the largest team on record.
Which city has the most purchasing consulting firms?
Houston leads with 38 headquartered companies, followed by New York (37) and Chicago (31).
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 3,613 verified decision-maker contacts tracked across these 1,118 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.
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