Company lists · Data refreshed September 2026

Top 25 Operational technology consulting firms based in Chicago, United States

Name: Operational technology consulting firms based in Chicago, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 151 companies tracked

RevenueBase identified 151 company matches for operational technology consulting firms associated with Chicago, United States as of September 2026 and tracks 4,265 professional contacts across them, including 2,335 with verified work emails. Across the United States, New York is the largest hub for this category (280 companies); Chicago has 151.

This list covers company matches for operational technology consulting firms associated with Chicago, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 29, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Sep 29, 2026 How this list was built

151Companies

4,265Contacts tracked

2,335Verified emails

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The 25 largest operational technology consulting firms based in Chicago, United States

Ranked by team size

Top 25 of 151 company matches for operational technology consulting firms based in Chicago, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	AHEAD	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	1,001-5,000	2,989 contacts →
	Exact match “AHEAD accelerates strategy into execution by engineering integrated solutions across infrastructure, applications, data, and security.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2	Accretive Solutions	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	501-1,000	217 contacts →
	Exact match “Your World.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3	Aberdeen Advisors LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	51-200	85 contacts →
	Exact match “Headquartered in Chicago, with satellite offices in India and Mexico, Aberdeen Advisors LLC is a boutique digital consultancy providing innovative products and services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4	DTI Diversified Technology INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	51-200	62 contacts →
	Exact match “DTI is a 100% African American-owned IT consulting and network services firm with nearly 40 years of experience.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5	Bluerock	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	201-500	53 contacts →
	Exact match “BlueROCK was founded on the premise that all companies should have a trusted partner for unbiased technology advice and guidance.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6	Liberty Advisor Group	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	201-500	48 contacts →
	Exact match “Liberty Advisor Group is now a Resultant company, uniting senior-led strategic advisory with a 300+-person technical engine to turn complex business challenges into measurable…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7	Mars-Technominds, INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	51-200	43 contacts →
	Exact match “MARS-Technominds has indeed come a long way in setting high standards in technology and consulting services and has certainly proved to be a force to reckon with since its…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8	Ec-United	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	11-50	36 contacts →
	Exact match “EC-United is a boutique executive consulting firm adept at providing clients with executive services such as IT assessments, strategies, performance management, interim leaders…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9	US Software Professionals INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	11-50	36 contacts →
	Exact match “USSP (US Software Professionals Inc) is a best in class IT consulting firm offering end to end service and implementation solutions to clients worldwide.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10	Crosspeak Solutions	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	11-50	35 contacts →
	Exact match “Let us help your business conquer the cloud.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11	Revel Labs	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	11-50	31 contacts →
	Exact match “Revel Labs was founded from a legacy of leading Fortune 500 companies through technology fueled transformation, from ecommerce to cloud enablement to AI.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12	Pearl Consulting Group	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	11-50	22 contacts →
	Exact match “Pearl Consulting Group is a global IT consulting firm dedicated to helping businesses navigate the complexities of technology with confidence.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13	Zivra, LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	11-50	19 contacts →
	Exact match “Zivra is a boutique IT professional services firm founded by highly-experienced IT consulting executives.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14	Mdrn Tech	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	11-50	16 contacts →
	Exact match “At MDRN Tech, we dare to dream big, push boundaries and deliver a more modern way.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15	Burger Consulting Group	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	1-10	16 contacts →
	Exact match “Focused on IT Strategy and Business Performance BCG provides unparalleled customer service and personalized strategic consulting for our clients.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16	Partnersolve LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	11-50	14 contacts →
	Exact match “PartnerSolve LLC, founded in 2001, is a management consulting firm focused on accelerating performance within their clients with an emphasis on front and back-office operations.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17	Sagin, LLC	Exact match	Chicago, United StatesHQ recorded Sep 29, 2026	51-200	13 contacts →
	Exact match “We help companies grow, change and create measurable results.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18	Fission Consulting	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	11-50	9 contacts →
	Exact match “Fission Consulting, headquartered in Chicago, helps private equity clients use IT to maximize the return from their portfolio companies.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19	Rise Technology Advisors	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	1-10	8 contacts →
	Exact match “We shepherd businesses into the next generation of technology.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20	RAO Solutions	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	1-10	8 contacts →
	Exact match “RAO Solutions was formed to affect positive, qualitative and quantitative change within your organization.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21	JMA Consulting LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	1-10	7 contacts →
	Exact match “JMA Consulting, LLC brings secure IT solutions to commercial clients in multiple industries nationwide.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22	Treasury Advisors Group	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	1-10	6 contacts →
	Exact match “With decades of experience in consulting, TAG has developed a wide range of capabilities to support your needs.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23	Heliox Group	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	1-10	6 contacts →
	Exact match “The Heliox Group is an IT consultancy with the mission to provide our customers with the highest level of service and expertise with regard to their technological needs.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24	Digital Primates	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	11-50	6 contacts →
	Exact match “Recognized as experts who work at the forefront of new technologies, Digital Primates brings a unique approach to our client engagements.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25	Archer NSG	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	11-50	5 contacts →
	Exact match “Archer’s consulting teams work closely with law firm and fortune 500 COOs, CIOs and practice managers to design practical, effective processes and support solutions that provide…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “operational technology consulting firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 151 operational technology consulting firms based in Chicago, United States

See the full list, filter by size, metro and specialty, and access 2,335 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Operational technology consulting firms based in Chicago, United States at a glance

As of Sep 29, 2026

54.7%Verified-email coverage

28.2Average contacts per company

1-10Median size (employees)

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for Chicago, so it is reported there. Company counts and contact totals on this page are exact for Chicago, over 151 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with Chicago, United States whose business descriptions match “operational technology consulting firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 2,335 professional contacts with verified work emails across the full matched dataset. 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.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Operational technology consulting firms by metro in the United States

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “operational technology consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many operational technology consulting firms are there based in Chicago, United States?

RevenueBase identified 151 company matches for operational technology consulting firms associated with Chicago, United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

AHEAD tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most operational technology consulting firms?

New York leads the United States with 280 company records, followed by Houston (279) and Chicago (151).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 2,335 professional contacts with verified work emails tracked across these 151 companies; direct dials are available where recorded.

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 SmartSearch, 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.