Top Software and IT Companies in S&P 500 List by Market Cap as of August 2026

Top Software and IT Companies in S&P 500 List by Market Cap as of August 2026. Biggest and Top Software and IT Companies in S&P 500 Companies by Market Cap. Largest Top Software and IT Companies in S&P 500 List by Market Cap as of August 2026.
Top Software and IT Companies in S&P 500
Top Software and IT Companies in S&P 500, Biggest Software and IT Companies in S&P 500, Largest Software and IT Companies in S&P 500.

  1. Paycom Software

    World Rank (Aug-2026)
    2,238
    Market Cap (Aug-2026)
    9.831 Billion USD
    World Rank (Jan-05-2024)
    1,489
    Market Cap (Jan-05-2024)
    11.338 Billion USD
    World Rank (Jul-30-2023)
    874
    Market Cap (Jul-30-2023)
    21.324 Billion USD
    World Rank (Dec-25-2022)
    900
    Market Cap (Dec-25-2022)
    18.316 Billion USD
    World Rank (Jan-07-2022)
    975
    Market Cap (Jan-07-2022)
    21.36 Billion USD
    Annual Revenue in USD
    2,052 Million USD
    Annual Operating Income in USD
    567 Million USD
    Annual Net Income in USD
    453 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    CEO
    Chad Richison
    Yahoo @ NYSE
    Company Profile

    Paycom Software is Software products and services company with headquarters is in Oklahoma, USA.

    As on 2022, Paycom Software has 6,300 employees.

    Paycom Software annual revenue generated for period ending Dec-2022 was 1,375 million USD.

    Paycom Software annual net income generated for period ending Dec-2022 was 281 million USD.

    Company Website
    PAYCOM SOFTWARE INC
    Wikipedia
    Wikipedia

  2. Nielsen Holdings

    World Rank (Aug-2026)
    2,368
    World Rank (Jan-05-2024)
    2,368
    World Rank (Jul-30-2023)
    2,368
    World Rank (Dec-25-2022)
    2,368
    World Rank (Jan-07-2022)
    2,368
    Market Cap (Jan-07-2022)
    7.54 Billion USD
    Annual Revenue in USD
    3,500 Million USD
    Annual Operating Income in USD
    872 Million USD
    Annual Net Income in USD
    963 Million USD
    Annual Results for Period Ending
    For year ending December-2021
    Headquarters Country
    USA
    Company Profile

    Nielsen Holdings is a software and IT, Data analytics and market research company. The company products are consumer information, consumer research and market measurement.

    Facts About Company

    Elliott Investment Management signed contract to acquire Nielsen Holdings for 16 Billion USD in March-2022.

    As on Dec-2021, Nielsen Holdings has 15,000 employees and out of those 6,200 employees in the United States, 1,200 in the remaining Americas, 2,900 in Europe, and 4,500 in the Asia/Pacific/Middle East/Africa (“APMEA”) regions.

    Revenues increased 4.1% to 3,500 million USD in 2021 from 3,361 million USD in 2020.

    Out of 3,500 million USD Revenue,

    Company Website
    NIELSEN N.V.
    Wikipedia
    Wikipedia

  3. MarketAxess Holdings

    World Rank (Aug-2026)
    3,310
    Market Cap (Aug-2026)
    5.721 Billion USD
    World Rank (Jan-05-2024)
    1,571
    Market Cap (Jan-05-2024)
    10.579 Billion USD
    World Rank (Jul-30-2023)
    1,651
    Market Cap (Jul-30-2023)
    10.207 Billion USD
    World Rank (Dec-25-2022)
    1,467
    Market Cap (Dec-25-2022)
    10.570 Billion USD
    World Rank (Jan-07-2022)
    1,398
    Market Cap (Jan-07-2022)
    14.40 Billion USD
    Annual Revenue in USD
    846 Million USD
    Annual Operating Income in USD
    342 Million USD
    Annual Net Income in USD
    247 Million USD
    Annual Results for Period Ending
    For year ending December-2025
    Headquarters Country
    USA
    CEO
    Richard McVey
    Yahoo @ Nasdaq
    Company Profile

    MARKETAXESS HOLDINGS is an international financial technology company that operates an electronic trading platform for the institutional credit markets, and provides markets data, post-trade service, and emerging markets bond trading. It enables institutional investors and broker-dealers to trade credit instruments, including corporate bonds, and other types of fixed income products. The headquarters is in USA.

    Company Website
    MARKETAXESS HOLDINGS INC
    Wikipedia
    Wikipedia

  4. DXC Technology

    World Rank (Aug-2026)
    6,912
    Market Cap (Aug-2026)
    1.724 Billion USD
    World Rank (Jan-05-2024)
    3,274
    Market Cap (Jan-05-2024)
    4.355 Billion USD
    World Rank (Jul-30-2023)
    2,599
    Market Cap (Jul-30-2023)
    5.837 Billion USD
    World Rank (Dec-25-2022)
    2,303
    Market Cap (Dec-25-2022)
    6.104 Billion USD
    World Rank (Jan-07-2022)
    2,155
    Market Cap (Jan-07-2022)
    8.41 Billion USD
    Annual Revenue in USD
    12,644 Million USD
    Annual Operating Income in USD
    970 Million USD
    Annual Net Income in USD
    18 Million USD
    Annual Results for Period Ending
    For year ending March-2026
    Headquarters Country
    USA
    Yahoo @ NYSE
    Company Profile

    DXC TECHNOLOGY is Software and IT services and solutions company with headquarters is in Virginia, USA. They have around 6,000 private and public-sector clients in 70 countries. As on 2022 they had around 130,000 employees around the World.

    Company Website
    DXC TECHNOLOGY COMPANY
    Wikipedia
    Wikipedia

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