Explore our OEM brands
Who we are
Obsidian Manufacturing Industries, Inc. is a Small Business Association certified Economically Disadvantaged Woman Owned Small Business based out of Rockford, IL.
We are the culmination of over 300 years of industrial manufacturing and are committed to helping you find solutions to your manufacturing needs.
We are the original equipment manufacturer for Magna-Lock USA workholding, MagnaLift & Power-Grip lift magnets, and Arter Precision Grinding Machines, with each brand having over 70 years of history behind them.
Our work is trusted across 30+ industries and is used in the most crucial elements of manufacturing. Read more about our brands below.
What our customers are saying
"The support of your products is awesome!" - Phil, enduring Magna-Lock USA customer
"I didn't realize you manufactured the magnets. I thought you were just a distributor." - Bill, new lift magnet customer.
"Other grinders just don't give the same finish as the Arter because the Arter has the cast iron base." - Mike, long standing Arter customer
"You guys always quote competitively and have great turn around times." - Jeff, grinding customer