Category No. 08 · IT Services

Compiled 2026 · 10 firms · cited sources

The Top Ten IT Services Firms, Ranked

The ten leading IT-services firms serving the US market, ranked on verified revenue, analyst evaluations, and delivery scale.

RankFirm & Reasoning
01

Accenture

97.0

New York, NY (listed) · Est. 1989 · ~$65B revenue; largest IT-services firm globally

  • ·Leader in the most independent capability evaluations of any IT-services provider. [Gartner Magic Quadrants / Forrester Waves]
  • ·Largest verified revenue base in the sector with fully audited public reporting. [ACN 10-K filings]
02

IBM Consulting

93.5

Armonk, NY · Est. 1911 · ~$20B+ consulting segment revenue

  • ·Unique combination of consulting scale plus proprietary technology (watsonx, Red Hat). [IBM annual report]
  • ·Over a century of continuous enterprise technology delivery. [IBM corporate record]
03

Tata Consultancy Services

92.1

New York, NY (US) · Est. 1968 · ~$29B revenue; 600,000+ staff

  • ·Highest profitability and delivery-consistency metrics among large-scale providers. [TCS audited results]
  • ·Consistent leader positioning across Everest Group evaluations. [Everest Group PEAK Matrix]
04

Cognizant

90.6

Teaneck, NJ · Est. 1994 · US-headquartered; ~$19B revenue

  • ·Largest US-headquartered pure-play IT-services firm by revenue. [CTSH 10-K filings]
  • ·Deep verified healthcare and financial-services delivery record. [Everest Group / Gartner coverage]
05

Infosys

89.0

New York, NY (US) · Est. 1981 · ~$18B revenue; digital services leader

  • ·Top-tier digital-transformation rankings across multiple analyst firms. [Everest Group PEAK Matrix]
  • ·Verified large-deal momentum in US market reporting. [Infosys quarterly results]
06

Capgemini

87.3

New York, NY (US) · Est. 1967 · ~$24B global revenue

  • ·Leader in cloud and engineering services evaluations. [Gartner Magic Quadrant]
  • ·Strong verified US presence through the iGate and subsequent acquisitions. [Capgemini annual report]
07

Deloitte (Technology)

85.9

New York, NY · Est. 1845 · Largest technology-consulting practice globally

  • ·Largest verified technology-consulting revenue of any firm. [Deloitte global report]
  • ·Broadest alliance network (SAP, Oracle, AWS, Salesforce) by certified headcount. [Partner program disclosures]
08

HCLTech

84.4

New York, NY (US) · Est. 1976 · ~$13B revenue; engineering strength

  • ·Largest engineering and R&D services practice among global providers. [Everest Group engineering rankings]
  • ·Verified software-products business (HCLSoftware) unique among peers. [HCLTech annual report]
09

Wipro

82.8

New York, NY (US) · Est. 1945 · ~$11B IT-services revenue

  • ·Long verified track record in US enterprise outsourcing. [Wipro annual report]
  • ·Consistent leader-tier analyst placement across infrastructure services. [Gartner / Everest Group]
10

EPAM Systems

81.2

Newtown, PA · Est. 1993 · US-headquartered; ~$4.7B revenue

  • ·US-founded and headquartered with a verified product-engineering specialty. [EPAM 10-K filings]
  • ·Repeat leader positioning in software product engineering evaluations. [Forrester / Everest Group]

Scores compiled under the published rubric · see methodology