Obsidian Manufacturing Industries, Inc.

Industrial Grit  |  Enduring Precision  |  Cornerstone of Quality



Obsidian Manufacturing Industries, Inc. is a SBA certified woman-led small business that offers a diversified selection of manufacturing products and services.  Our price-competitive solutions are appealing to our customer's industrial needs, whether it is workholding, material handling, precision rotary surface grinder applications, or OEM equipment repairs and spare parts or our precision grinding services.  Several of our product lines have robust historical records with one dating as far back as 1916.  This history has helped us serve our vast customer base with products and services that have an emphasis on durability, outstanding craftsmanship, and value.  ​

O b s i d i a n M f g  B r a n d s

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Workholding & Repair Services

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

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

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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

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Connect with ObsidianMfg on Social Media

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Join us each Thursday from 1-2pm CST on Twitter for the #USAMfgHour chat hour. Whether you are a USA manufacturer or a supporter, we welcome the chance to network with you.

#USAMfgHour Twitter Chat Recaps for ObsidianMfg Hosting Dates