SIIG

SIIG, Inc. is an American computer hardware manufacturer founded in 1985 and headquartered in Fremont, California. The company designs and supplies IT and AV connectivity solutions for professional, commercial, and institutional use. Its product portfolio spans I/O adapters (Serial ATA, Ultra ATA, FireWire, USB, and legacy I/O), serial and parallel expansion cards, video and display connectivity, mounts and kiosks, power delivery, and wireless HDMI extenders. SIIG positions itself as a provider of reliable, safety-certified, and TAA-compliant products, with a focus on practical deployment in real-world environments. Its solutions are used in corporate offices, education, healthcare, government facilities, hospitality, houses of worship, entertainment venues, and residential settings. The company operates from its Bay Area headquarters, with Southern California warehousing and a Midwest logistics hub, and sells through resellers, distributors, and retailers. SIIG emphasizes long-term product support, clear documentation, and knowledgeable technical teams. Its catalog includes both current connectivity products and legacy interface solutions, reflecting a long history in the PC hardware and IT infrastructure space.

SIIG, Inc. was founded in 1985 and has since built over four decades of experience in IT and AV connectivity. The company established its headquarters in Fremont, California, in the Bay Area, and expanded its operational footprint to include a branch office and warehouse in Chino Hills, California, as well as third-party logistics (3PL) operations in Chicago, Illinois, and Chino, California. Over the years, SIIG has developed a broad catalog of connectivity products, ranging from legacy I/O adapters and storage controllers to modern wireless HDMI extenders, monitor mounts, and kiosk solutions. The company emphasizes safety, quality, and compliance, with select products meeting TAA (Trade Agreements Act) requirements. In its own account, SIIG recently marked a milestone with a new office and website launch, reflecting ongoing investment in its infrastructure and customer experience. SIIG sells through a network of resellers, distributors, and retailers, and supports deployments across education, retail, healthcare, government, industrial, and data center environments.

• 1985

  SIIG, Inc. founded.

• New office and website launch announced as a milestone.

Reliable, safety-certified, TAA-compliant IT and AV connectivity solutions for professional and institutional deployments.

• DP CyberSerial 4S PCIe

  4-port RS-232 PCI Express x1 card with 16550 UART, dual-profile design, TAA compliant.

• 1080p Wireless HDMI Dongle Extender

  Wireless HDMI extender supporting 1080p resolution.

• 4K30Hz Wireless HDMI Dongle Extender

  Wireless HDMI extender supporting 4K at 30Hz.

• Triple 32" Articulating Monitor Arm Mount

  Monitor arm mount supporting up to three 32-inch displays.

• Security Lockable Countertop Kiosk Stand

  Lockable kiosk stand for 10.9-inch and 11-inch tablets.

1. 1SIIG, Inc. – SIIG Incsiig.com
2. 2About SIIG | Leading IT & AV Solutions – SIIG Incsiig.com
3. 3Products – SIIG Incsiig.com
4. 44-Port, RS-232, PCIe x1, 16550 UART, Dual Profile, TAA Compliant – SIIG Incsiig.com
5. 5SIIG Inc. – Wikidatawikidata.org