Mattel’s El Segundo, California headquarters campus wasn’t a single project. It was four distinct environments- a 268,860 SF corporate tower, a 165,000 SF design center, a 60,000 SF production studio, and a multi-phase warehouse. Each building serves a different purpose, each with its own technical demands. The challenge wasn’t designing any one of them. It was ensuring they worked as a coherent whole.

PLANNET provided planning, design, and implementation oversight across all four. In the Campus Tower, that meant a structured cabling backbone, wired and wireless connectivity, AV systems for hybrid collaboration, and campus-wide access control and surveillance- infrastructure built to support a 23% increase in seating capacity while keeping the environment flexible and future-ready.

At the HTC Design Center, the focus shifted to adaptability. With 600 to 650 designers and engineers working across technical labs and collaborative spaces, the low-voltage infrastructure needed to flex with changing lab configurations and evolving workflows,  not lock teams into a fixed layout. The facility was also designed to LEED Gold standards, aligning technology decisions with Mattel’s broader sustainability commitments.

The Studio Production Facility brought entirely different demands. Supporting virtual production, editing suites, sound stages, and a VFX soundstage, the AV infrastructure was designed for formats up to Dolby Atmos and Dolby Vision. Acoustic performance and intellectual property protection are built into the design from the start. A second phase extended PLANNET’s role through construction documentation, bidding, and administration, maintaining consistency across both phases.

The warehouse completed the campus picture, with robust voice/data infrastructure and integrated CCTV, access control, and monitoring across two development phases.

Each facility functions independently. Together, they form a connected ecosystem built around a single, consistent infrastructure approach.

That kind of coherence across four unlike buildings doesn’t happen by accident. It’s the result of planning, discipline, and applying the same standard to every square foot of the project.

Click Here to see the full scope of the Mattel campus and the value PLANNET brings to the project.