Painters Union

The Retrofit Companies began doing energy-efficient lighting upgrades and retrofits in the 1980's. We've since grown to become a full service electrical contractor, recycler of Universal and Hazardous Wastes and retail provider of new lighting supplies.

Oxygen Service Company, Inc. (OSC) has been Minnesota’s trusted supplier for gas, welding, and automation solutions since 1959. With five locations, we serve businesses across industries with a full line of welding supplies, machines, robotic platforms, and automated cutting and welding equipment. We also provide industrial, medical, and specialty gases, along with the region’s highest quality dry ice—manufactured fresh to order. Backed by decades of experience, our team delivers fast service, expert support, and reliable solutions to keep your business running smoothly.