BLDP vs BAND Comparison

Ballard Power Systems Inc is engaged in design, development, manufacture, sale and service of proton exchange membrane ("PEM") fuel cell products for a variety of applications, focusing on power products for bus, truck, rail, marine, stationary and emerging market (material handling, off-road and other) applications, as well as the delivery of services, including technology solutions, after sales services and training. A fuel cell is an environmentally clean electrochemical device that combines hydrogen fuel with oxygen (from the air) to produce electricity. Key geographical revenue is derived from Poland followed by United States, United Kingdom, and other countries.

Bandwidth Inc is cloud-based communications platform-as-a-service (CPaaS) provider that enables enterprises to create, scale and operate voice or messaging communications services across any mobile application or connected device. Company earns revenue through the sale of communications services offered through Application Programming Interface software solutions to enterprise customers. The majority of the company's revenue is generated from usage-based fees that includes voice communication and messaging communication that traverse the platform and network.