That is why the choice of an IoT development partner matters more today than it did five years ago.
North America keeps the largest chunk of that revenue, with the United States alone holding around 23 percent of global IoT software and services spend, per ABI Research.
The Top 10 IoT Development Companies in the United States I built the list below from public company data, review platforms like Clutch and GoodFirms, and my own conversations with founders who have shipped connected products.
The team focuses on IoT firmware and hardware, IoT mobile apps, smart home and smart building platforms, and full-cycle product engineering.
Two documents you should know are NIST Special Publication 800-213 (IoT Product Cybersecurity Guidelines for the Federal Government) and NIST Internal Report 8259 (Foundational Cybersecurity Activities for IoT Product Manufacturers), both revised in 2026.