About Cabling Installation & Maintenance

Our mission: Bringing practical business and technical intelligence to today's structured cabling professionals

For more than 30 years, Cabling Installation & Maintenance has provided useful, practical information to professionals responsible for the specification, design, installation and management of structured cabling systems serving enterprise, data center and other environments. These professionals are challenged to stay informed of constantly evolving standards, system-design and installation approaches, product and system capabilities, technologies, as well as applications that rely on high-performance structured cabling systems. Our editors synthesize these complex issues into multiple information products. This portfolio of information products provides concrete detail that improves the efficiency of day-to-day operations, and equips cabling professionals with the perspective that enables strategic planning for networks’ optimum long-term performance.

Throughout our annual magazine, weekly email newsletters and 24/7/365 website, Cabling Installation & Maintenance digs into the essential topics our audience focuses on.

  • Design, Installation and Testing: We explain the bottom-up design of cabling systems, from case histories of actual projects to solutions for specific problems or aspects of the design process. We also look at specific installations using a case-history approach to highlight challenging problems, solutions and unique features. Additionally, we examine evolving test-and-measurement technologies and techniques designed to address the standards-governed and practical-use performance requirements of cabling systems.
  • Technology: We evaluate product innovations and technology trends as they impact a particular product class through interviews with manufacturers, installers and users, as well as contributed articles from subject-matter experts.
  • Data Center: Cabling Installation & Maintenance takes an in-depth look at design and installation workmanship issues as well as the unique technology being deployed specifically for data centers.
  • Physical Security: Focusing on the areas in which security and IT—and the infrastructure for both—interlock and overlap, we pay specific attention to Internet Protocol’s influence over the development of security applications.
  • Standards: Tracking the activities of North American and international standards-making organizations, we provide updates on specifications that are in-progress, looking forward to how they will affect cabling-system design and installation. We also produce articles explaining the practical aspects of designing and installing cabling systems in accordance with the specifications of established standards.

Cabling Installation & Maintenance is published by Endeavor Business Media, a division of EndeavorB2B.

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The number of women CEOs in the Fortune 500 edges up in 2025

The number of women CEOs in the Fortune 500 edges up in 2025

The largest 500 corporations in the U.S. now employ 55 women CEOs, a gain of three from the 52 that held those positions in 2023 and 2024. Women now run 11% of companies on the 2025 Fortune 500 list, the publication said this week.

The small gain came as six female CEOs either exited their roles or saw their company drop out of the ranking. Nine women CEOs joined the list when they were hired or their companies were elevated into the top 500 over the last year.

Despite the bigger number for 2025, “the pace of change remains stubbornly slow,” Jennifer McCollum, president and CEO of Catalyst, a workplace gender equity organization, told Fortune for a post on its website. “This minor uptick, while positive, is not a signal that we can ease off our efforts; if anything, it shows the deep-seated nature of the barriers that still exist.”

Among the departures, CVS Health in October 2024 parted ways with CEO Karen Lynch, who led the health care business for almost four years; CVS Health, ranked at No. 5 on the Fortune 500 in 2025 with $372.8 billion in revenue, was the largest company ever led by a female CEO. Lynch’s successor was David Joyner, who previously headed the company’s pharmacy benefits business.

Duke Energy’s CEO Lynn Good retired in April after more than 20 years at the company. Lori Ryerkerk and Barbara Rentler stepped down from Celanese and Ross Stores, respectively. CEO successors at all of those businesses were men.

Last month, Gina Boswell stepped down as CEO of Bath & Body Works—and the company didn’t make the Fortune 500 this year due to a drop in revenue. Neither did Clorox, which was ranked at No. 485 in 2024 and is still headed by Linda Rendle.

The nine who joined the list, the majority of whom were promoted from within their companies, include  Kathleen Quirk, promoted to CEO from CFO at Freeport-McMoRan, Deanna Strable-Soethout, promoted from president at Principal Financial and Kecia Steelman, moving up from COO at Ulta Beauty.

J.B. Hunt Transport and U.S. Bancorp tapped their respective presidents Shelley Simpson and Gunjan Kedia as president and CEO. Marathon Petroleum named its executive vice president and CFO Maryann Mannen president and CEO, while Albertsons appointed executive vice president and chief operations officer Susan Morris to helm the company.

In November 2024, Marina Cheung became president and CEO of S&P Global, after serving as president of S&P Global Ratings.

One business already led by a woman became a Fortune 500 company this year: SiriusXM is now on the Fortune 500 for the first time, after its September 2024 spinoff from Liberty Media, with CEO Jennifer Witz (pictured above) at the helm since 2021.

There are still only two Black female CEOs leading Fortune 500 companies: Thasunda Brown Duckett at TIAA and Toni Townes-Whitley at Science Applications International Corporation, or SAIC. Other women of color who lead Fortune 500 companies include AMD chief Lisa Su and Fannie Mae president and CEO Priscilla Almodovar.

The Fortune 500 has for 71 years ranked the largest U.S. companies by revenue. This year, the companies that make up the Fortune 500 represent $19.9 trillion in revenue and two-thirds of total U.S. GDP. At the top are giants Walmart and Amazon; the highest-ranked Fortune 500 company run by a woman is GM, at No. 18, with CEO Mary Barra.

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