Starlight Distillery is a family owned and operated craft distillery that manufactures beverage alcohol, including bourbon, whiskey, brandy, gin, rum, and vodka.

Monroe Custom Bodies is a fabricator of work truck bodies for major public utilities as well as commercial customers.

Mixer Direct Inc. manufactures stainless vessels, agitators, process controls and complete liquid process systems.

Millmark Enterprises Inc. is a steel and aluminum fabricator with powder coating and carbon dioxide laser capabilities.

Michigan City Paper Box Company (LaPorte County) is a 119 year old manufacturer of retail packaging products with a variety of product offerings, especially 2-piece cotton-filled jewelry boxes.

McCreary Concrete Products Inc. manufactures and delivers precast concrete structures to transportation infrastructure job sites statewide.

Mayasari LLC is a manufacturer launched from a restaurant specializing in Indonesian foods.

Material Management Technologies LLC is a manufacturer providing material procurement and custom fabrication services, including production of custom material kits.

Manna Asian Foods LLC is a food processor that specializes in meat products, shipping to nearly 100 immigrant-owned markets and grocery stores across the United States.

Madsen Steel Wire Products is a steel wire manufacturer specializing in safety partitions, shelves, displays, grids and other structural wire applications.

Mainline Conveyor Systems Inc. manufactures conveyor and material handling equipment for the corrugated box industry.