BEL got Navratna status by the Government of India in public sector undertakings, which has been conferred the growth and diversification of the company over the years has kept pace. The Company's principal products/services include weapon systems, radar and fire control systems, and communication. Its defense products include defense communication; radars; naval systems; command, control, communications, computers, and intelligence systems; weapon systems; telecom and broadcast systems; electronic warfare; electro optics, and solar photovoltaic systems.

The company's non defense products comprise e-governance systems, homeland security products, integrated traffic management systems, civil radars, solar power solutions, turnkey system solutions; and telecom and broadcast systems; and PD and strategic products, passive vacuum devices, silicon radiation detectors, EMI filters, anti-collision lights, multichannel voice logging recorder systems, and digital multichannel data recorders. In addition, it offers electronic manufacturing services, such as precision machining, PCB assembly and testing, and fabrication, optoelectronic components and assemblies, microwave integrated circuit assemblies, super components modules, cable assemblies and wiring harnesses, and antennae manufacturing services, as well as design and manufacture of transformers, chokes, coils and sub-assemblies.