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Top IT Service Companies in the USA

21 of 48 IT service companies ranked on evidence in the Q4 2026 edition.

Between them, the 48 IT service companies on this page cover business services (21), medical (18), information technology (14) and education (14). They also list work in Newport and California. 48 of them have written a profile you can read before you get in touch.

TrustList ranking

Q4 2026 edition

21 of 48 IT service companies ranked on evidence held on 12 October 2026: client reviews, vetting, awards and facts each business states on its own website, which we read and date. Nobody pays to be placed.

Positions are fixed for the quarter; the next edition is due in January 2027.

How this is ranked About this edition

All IT service companies 21 ranked SMEs 21 ranked

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Calsoft Systems
Consumer Products & Services · Business Services · Medical
Calsoft Systems is a Microsoft Dynamics 365 ERP and CRM partner that has worked with business software since 1994.
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Why #1: Address in United States of America · Founded 1994 · Microsoft partner, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
Datalink Networks Inc.
Datalink Networks Inc. is a managed IT service provider and technology reseller working across the United States.
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Why #2: Based in United States, with locations coast to coast · In business 30+ years · Microsoft partner, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.
Effexoft Inc
CRM
Effexoft Inc makes supply chain management software and provides related consulting.
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Why #3: Based in New Jersey, United States · Founded 2002 · Salesforce partner, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.
iBirds Software Services
Cloud · Salesforce · Internet · Also in Sagar and Rajasthan
iBirds Software Services, formally iBirds Software Pvt. Ltd., is a Salesforce consulting partner.
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Why #4: Based in India (headquarters), with US offices · Founded 2008 · Client numbers stated on its own website, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Demand Chain
Financial Services · Medical · Education
Salesforce consulting partner designing, deploying and integrating Salesforce for manufacturing, finance and healthcare firms
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Why #5: Based in Minneapolis · In business 25+ years · Project numbers stated on its own website, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.
Frank, Rimerman + Co.
Consumer Products & Services · Business Services · Information Technology
Frank, Rimerman + Co. is a professional services firm that began in Silicon Valley and now describes its reach as global. Named after its founder, Frank W.
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Why #6: Based in Silicon Valley, California · In business 70+ years, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.
Dataway
Security · Cybersecurity · Monitoring · Also in California
Dataway specialises in network security for enterprise and cloud environments, with a history going back to 1994.
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Why #7: Based in California and Ireland · Founded 1994, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.
Business Management International
Consumer Products & Services · Mobile App Development · Business Services
Business Management International, known as BMI, sells and implements cloud ERP software, centred on Microsoft Dynamics 365 Business Central.
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Why #8: Based in Saratoga Springs, New York · In business 30+ years, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
Grid4 Communications
Information Technology · Telecommunications
Grid4 Communications is a communications and managed IT provider based in Troy, Michigan.
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Why #9 (shared): Based in Troy, Michigan · Founded 2001, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.
General Informatics
Financial Services · Non Profit · Real Estate
General Informatics, often shortened to GI, is a managed IT and cybersecurity company in Baton Rouge, Louisiana.
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Why #9 (shared): Based in Baton Rouge, Louisiana, United States · Founded 2001, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.
Bi101 Consultants
Advertising & Marketing · Business Services · Information Technology
Bi101 Consultants, trading as Business Intelligence 101, helps companies find, buy and manage their technology and consolidates the bills into one invoice.
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Why #11: Address in United States of America · Founded 2004, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
Diversity Training & Consulting Inc.
Diversity Training & Consulting Inc. helps employers build fairer, more inclusive workplaces through training, coaching and strategy work.
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Why #12 (shared): Based in Chicago, Illinois · In business 20+ years, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.
Genius Business Solutions
Business Services · Information Technology · eCommerce
Genius Business Solutions, which goes by GBSI, is an SAP and ERP consulting firm in the United States.
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Why #12 (shared): Based in Moline, Illinois, United States · In business 20+ years, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.
1T
10D Tech
Business Services · Non Profit · IT Services · Also in Oregon and Albany
Oregon managed IT and cybersecurity provider supporting local businesses with help desk, cloud, backup and phone systems
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Why #12 (shared): Based in Oregon, United States · Founded 2006, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
IntelligIS
Hospitality & Leisure · Business Services · Information Technology
IntelligIS is an IT services provider serving Atlanta and the wider Southeast of the United States.
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Why #12 (shared): Based in Atlanta, Georgia, USA · In business 20+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Elogic Commerce
Mobile App Development · Web Development · UI/UX Design
Elogic Commerce is an ecommerce engineering firm founded in 2009 and headquartered in Tallinn, Estonia.
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Why #16: Based in Tallinn, Estonia, with offices in New York, London, Stockholm, Dresden and Prague · Founded 2009 · Team of 200+, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
Fidelis, Inc.
Hospitality & Leisure · Business Services · Information Technology · Also in Washington and United States
Fidelis, Inc. is a managed IT services provider in Seattle, Washington.
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Why #17: Based in Seattle, Washington · Founded 2008, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.
Cambium Data Inc.
IT Services · Networking · Also in Lincoln
Cambium Data Inc. is an IT support and consulting company in Omaha, Nebraska, founded in 2009 by Tony Underwood.
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Why #18: Based in Omaha, Nebraska · Founded 2009, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
Elysys
Consumer Products & Services · Advertising & Marketing · Business Services
Elysys makes finance software for investment firms, built around Microsoft Dynamics 365 Business Central.
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Why #19: Address in United States of America · Founded 2010, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.
KAMIND
Advertising & Marketing · Business Services · Cloud
KAMIND is an IT and cybersecurity firm serving the Portland, Oregon metro area.
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Why #20 (shared): Based in Portland, Oregon, United States · Microsoft partner, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
CRM Command
Salesforce · CRM · simple · Also in Colorado and Denver
CRM Command is a Salesforce consulting partner in Boulder, Colorado.
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Why #20 (shared): Based in Boulder, Colorado · Salesforce partner, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
Also listed, not yet ranked. We hold nothing checkable on these yet that ranks them here: no client review, vetting, award, expert review, or fact stated on their own website (and on a place ranking, where they are based). They follow in order of their TrustList Score. How TrustList ranks · Get vetted, free
Bottomline Technologies
Consumer Products & Services · Advertising & Marketing · Financial Services
Bottomline Technologies builds software that helps businesses pay suppliers and get paid, and helps banks serve their commercial customers.
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On record: In business 35+ years, as stated on its own website, read 28 Sept 2026
Imperva
IT Services · Web Development · iOS App
Imperva builds security products that protect web applications, APIs and sensitive data wherever they run, whether in a company's own data centre or in the cloud.
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On record: professional accreditation, as stated on its own website, read 28 Sept 2026
Quantum IT Innovation
Advertising & Marketing · Business Services
From crafting bespoke websites to developing innovative mobile apps, harnessing the power of artificial intelligence, to driving digital marketing strategies, we empower businesses…
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On record: Address in United States of America

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Top IT Service Companies in the USA

Calsoft Systems

Datalink Networks Inc.

Effexoft Inc

iBirds Software Services

Demand Chain

Frank, Rimerman + Co.

Dataway

Business Management International

Grid4 Communications

General Informatics

Bi101 Consultants

Diversity Training & Consulting Inc.

Genius Business Solutions

10D Tech

IntelligIS

Elogic Commerce

Fidelis, Inc.

Cambium Data Inc.

Elysys

KAMIND

CRM Command

Bottomline Technologies

Imperva

Quantum IT Innovation

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