Obsidian Manufacturing Industries, Inc.

An Evolution of Industry-Proven Products


Our story

Our brands have a combined over 300 years of manufacturing history, with each being United States manufacturing staples within their respective product lines. With our recent acquisitions in 2018 and 2019, we have evolved into a key player in the manufacturing industry. With a long history of these brands in our family, we look to treat each customer as if they are family as well. 

Our brands

Click to see each brand line

MagnaLift Power-Grip (Icon).png
Arter Icon Logo.png

Our goals

We are a SBA-certified. woman-led small business that offers a diversified selection of manufacturing products and services. We are Magna-Lock USA workholding products, Arter Precision Grinding Machines, MagnaLift & Power-Grip lift magnets and ObsidianMfg Surface Grinding. We are in the business of finding solutions to your manufacturing problems, let's solve them together.

What we do

Magna Lock Logo.png

Workholding & Repair Services

High-quality workholding machine tools for the metalworking, woodworking and machining industries.

MagnaLift Logo (Final).png



Battery-operated, electric & custom-designed lift magnets, OEM spare parts, & repairs and certifications

Arter-Logo (Final).png

Rotary Surface Grinders

We are your single source for all OEM spare parts, service and new Arter rotary surface grinders.  We buy and sell used Arter grinders.

Grinding Services

We offer precision & rough surface grinding with quality craftsmanship, quick turnarounds, and competitive prices.

Machine Tools Built for Generations


"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