Investors rubbed elbows with entrepreneurs as some of the state’s hottest young companies were showcased at the annual Wisconsin Early Stage Symposium at Monona Terrace this week.

With products ranging from medical devices to learning games, 28 companies were each allowed a five-minute presentation on Wednesday.

Among the pitches:

Drones and factory robotics are the first target markets for C-Motive Technologies, which has a novel type of electrostatic motor that can “revolutionize the way machines work,” CEO Justin Reed said.

He said the Madison company’s motors are 40 percent lighter than the standard type and can be made less expensively — even using 3D printing.

Linectra features a 3D printer for metal components that can be manufactured quickly. CEO Brandon Walker said the Madison company’s long-term strategy is to market its printer to the aerospace and medical industries. Read the full story here.