HEI INC

HEI INC, operating under SIC code 3674 within the broader Semiconductors & Related Devices landscape, manufactures precision components and subsystems that serve high-reliability OEMs in aerospace, defense, and instrumentation markets; the company’s offerings include hermetically sealed interconnect products and custom-engineered packaging designed to meet rigorous MIL‑STD compliance and thermal cycling demands. While HEI’s engineering-led teams focus on tailoring solutions that integrate with complex assemblies, its customers demand traceability, qualified manufacturing processes, and responsive logistics support, underscoring how supply chain continuity and qualification cycles drive near-term revenue. The latest reported milestone, a Form 8-K filed in November 1998, reinforces the company’s disclosure discipline even as it continues to navigate semiconductor material shortages, evolving export controls, and regulatory scrutiny around product safety and international trade compliance. CIK 351298 signals HEI’s standing with the SEC, and investors can visit Earnings Feed to view live SEC filings for the most current information.

Source: Earnings Feed research · last updated 11/24/2025