United States

Top 79 largest US Companies in the Information Technology Services industry by Market Cap

This is the list of the largest public listed companies in the Information Technology Services industry from the United States by market capitalization with links to their reference stock.

United States Information Technology Services Industry Analysis
Top US Companies United States Analysis
World Top Companies World Companies Analysis

Top Information Technology Services Companies from the United States as of Jul. 01, 2025

Download Excel

Rank Company Market Cap (USD) Country Sector Industry
1 International Business Machines Corporation $267.34 B United States US Technology US Information Technology Services
2 Fiserv, Inc. $97.42 B United States US Technology US Information Technology Services
3 Fidelity National Information Services, Inc. $42.70 B United States US Technology US Information Technology Services
4 Cognizant Technology Solutions Corporation $39.56 B United States US Technology US Information Technology Services
5 Gartner, Inc. $30.44 B United States US Technology US Information Technology Services
6 Broadridge Financial Solutions, Inc. $27.96 B United States US Technology US Information Technology Services
7 CDW Corporation $24.08 B United States US Technology US Information Technology Services
8 Affirm Holdings, Inc. $22.06 B United States US Technology US Information Technology Services
9 FLEETCOR Technologies, Inc. $21.79 B United States US Technology US Information Technology Services
10 Leidos Holdings, Inc. $21.18 B United States US Technology US Information Technology Services
11 Jack Henry & Associates, Inc. $13.06 B United States US Technology US Information Technology Services
12 TD Synnex $11.41 B United States US Technology US Information Technology Services
13 CACI International Inc $10.75 B United States US Technology US Information Technology Services
14 EPAM Systems, Inc. $10.17 B United States US Technology US Information Technology Services
15 Switch, Inc. $8.27 B

(Dec. 1, 2022)

 United States US Technology US Information Technology Services
16 ExlService Holdings, Inc. $7.37 B United States US Technology US Information Technology Services
17 Dolby Laboratories, Inc. $7.26 B United States US Technology US Information Technology Services
18 Science Applications International Corporation $5.56 B United States US Technology US Information Technology Services
19 Insight Enterprises, Inc. $4.60 B United States US Technology US Information Technology Services
20 Dun & Bradstreet Holdings, Inc. $4.06 B United States US Technology US Information Technology Services
21 Paymentus Holdings, Inc. $3.89 B United States US Technology US Information Technology Services
22 NCR Corporation $3.62 B

(July 1, 2023)

 United States US Technology US Information Technology Services
23 Concentrix Corporation $3.60 B United States US Technology US Information Technology Services
24 C3.ai, Inc. $3.46 B United States US Technology US Information Technology Services
25 DXC Technology Company $2.90 B United States US Technology US Information Technology Services
26 Perficient, Inc. $2.63 B

(July 1, 2024)

 United States US Technology US Information Technology Services
27 Teradata Corporation $2.22 B United States US Technology US Information Technology Services
28 LiveRamp Holdings, Inc. $2.21 B United States US Technology US Information Technology Services
29 Sykes Enterprises, Incorporated $2.14 B

(July 1, 2021)

 United States US Technology US Information Technology Services
30 Computer Services, Inc. $1.59 B

(Nov. 1, 2022)

 United States US Technology US Information Technology Services

Top Information Technology Services Companies from the United States as of Jul. 01, 2025

1. IBM

Company Profile: International Business Machines Corporation
Market Cap (USD): $267.34 B
Country: United States
Sector: US Technology
Industry: US Information Technology Services

2. Fiserv

Company Profile: Fiserv, Inc.
Market Cap (USD): $97.42 B
Country: United States
Sector: US Technology
Industry: US Information Technology Services

3. Fidelity National Information Services, Inc.

Company Profile: Fidelity National Information Services, Inc.
Market Cap (USD): $42.70 B
Country: United States
Sector: US Technology
Industry: US Information Technology Services

4. Cognizant Technology Solutions Corporation

Company Profile: Cognizant Technology Solutions Corporation
Market Cap (USD): $39.56 B
Country: United States
Sector: US Technology
Industry: US Information Technology Services

5. Gartner, Inc.

Company Profile: Gartner, Inc.
Market Cap (USD): $30.44 B
Country: United States
Sector: US Technology
Industry: US Information Technology Services

6. Broadridge Financial Solutions, Inc.

Company Profile: Broadridge Financial Solutions, Inc.
Market Cap (USD): $27.96 B
Country: United States
Sector: US Technology
Industry: US Information Technology Services

7. CDW Corporation

Company Profile: CDW Corporation
Market Cap (USD): $24.08 B
Country: United States
Sector: US Technology
Industry: US Information Technology Services

8. Affirm Holdings, Inc.

Company Profile: Affirm Holdings, Inc.
Market Cap (USD): $22.06 B
Country: United States
Sector: US Technology
Industry: US Information Technology Services

9. FLEETCOR Technologies, Inc.

Company Profile: FLEETCOR Technologies, Inc.
Market Cap (USD): $21.79 B
Country: United States
Sector: US Technology
Industry: US Information Technology Services

10. Leidos Holdings, Inc.

Company Profile: Leidos Holdings, Inc.
Market Cap (USD): $21.18 B
Country: United States
Sector: US Technology
Industry: US Information Technology Services

11. Jack Henry & Associates, Inc.

Company Profile: Jack Henry & Associates, Inc.
Market Cap (USD): $13.06 B
Country: United States
Sector: US Technology
Industry: US Information Technology Services

12. TD Synnex

Company Profile: TD Synnex
Market Cap (USD): $11.41 B
Country: United States
Sector: US Technology
Industry: US Information Technology Services

13. CACI International Inc

Company Profile: CACI International Inc
Market Cap (USD): $10.75 B
Country: United States
Sector: US Technology
Industry: US Information Technology Services

14. EPAM Systems, Inc.

Company Profile: EPAM Systems, Inc.
Market Cap (USD): $10.17 B
Country: United States
Sector: US Technology
Industry: US Information Technology Services

15. Switch, Inc.

Company Profile: Switch, Inc.
Market Cap (USD): $8.27 B (Dec. 1, 2022)
Country: United States
Sector: US Technology
Industry: US Information Technology Services

16. ExlService Holdings, Inc.

Company Profile: ExlService Holdings, Inc.
Market Cap (USD): $7.37 B
Country: United States
Sector: US Technology
Industry: US Information Technology Services

17. Dolby Laboratories, Inc.

Company Profile: Dolby Laboratories, Inc.
Market Cap (USD): $7.26 B
Country: United States
Sector: US Technology
Industry: US Information Technology Services

18. Science Applications International Corporation

Company Profile: Science Applications International Corporation
Market Cap (USD): $5.56 B
Country: United States
Sector: US Technology
Industry: US Information Technology Services

19. Insight Enterprises, Inc.

Company Profile: Insight Enterprises, Inc.
Market Cap (USD): $4.60 B
Country: United States
Sector: US Technology
Industry: US Information Technology Services

20. Dun & Bradstreet Holdings, Inc.

Company Profile: Dun & Bradstreet Holdings, Inc.
Market Cap (USD): $4.06 B
Country: United States
Sector: US Technology
Industry: US Information Technology Services

21. Paymentus Holdings, Inc.

Company Profile: Paymentus Holdings, Inc.
Market Cap (USD): $3.89 B
Country: United States
Sector: US Technology
Industry: US Information Technology Services

22. NCR Corporation

Company Profile: NCR Corporation
Market Cap (USD): $3.62 B (July 1, 2023)
Country: United States
Sector: US Technology
Industry: US Information Technology Services

23. Concentrix Corporation

Company Profile: Concentrix Corporation
Market Cap (USD): $3.60 B
Country: United States
Sector: US Technology
Industry: US Information Technology Services

24. C3.ai, Inc.

Company Profile: C3.ai, Inc.
Market Cap (USD): $3.46 B
Country: United States
Sector: US Technology
Industry: US Information Technology Services

25. DXC Technology Company

Company Profile: DXC Technology Company
Market Cap (USD): $2.90 B
Country: United States
Sector: US Technology
Industry: US Information Technology Services

26. Perficient, Inc.

Company Profile: Perficient, Inc.
Market Cap (USD): $2.63 B (July 1, 2024)
Country: United States
Sector: US Technology
Industry: US Information Technology Services

27. Teradata Corporation

Company Profile: Teradata Corporation
Market Cap (USD): $2.22 B
Country: United States
Sector: US Technology
Industry: US Information Technology Services

28. LiveRamp Holdings, Inc.

Company Profile: LiveRamp Holdings, Inc.
Market Cap (USD): $2.21 B
Country: United States
Sector: US Technology
Industry: US Information Technology Services

29. Sykes Enterprises, Incorporated

Company Profile: Sykes Enterprises, Incorporated
Market Cap (USD): $2.14 B (July 1, 2021)
Country: United States
Sector: US Technology
Industry: US Information Technology Services

30. Computer Services, Inc.

Company Profile: Computer Services, Inc.
Market Cap (USD): $1.59 B (Nov. 1, 2022)
Country: United States
Sector: US Technology
Industry: US Information Technology Services

Stay in touch