Mayville Engineering Company, Inc.

On August 19, 2025, an employee was changing tooling on a sizing machine. The employee's left ring fingertip was pinched between the tooling and the machine and was partially amputated.

An employee was placing metal parts onto a stamp press when the press double-cycled and caught his right hand, resulting in crush injuries that required hospitalization and surgery.

A maintenance employee was on the roof assisting with an air conditioning issue. The employee stepped backward and fell through a closed skylight and landed on the floor approximately 30 feet below. The employee sustained bruises.

An employee was running parts through a press brake. His left index fingertip was caught between a part and the machine's upper die. The fingertip was amputated.

An employee was lifting a metal plate with a hoist when it fell, striking the employee's right ankle. The employee was hospitalized, requiring surgery and stitches.

An employee was changing mud cups in the hopper cylinders of a concrete pump truck. The cylinders moved and three of the employees fingers were amputated.

An employee was standing on the rig floor next to a polishing unit. His hand was placed on the polishing unit when the pump was lowered, resulting in amputation of their right thumb, ring, and middle fingertips.

An employee was using air to blow out the air wash to the blender and grinder station. As the employee reached to verify that the air wash was clean, the unit pinched and amputated their fingertip.

An employee was retrieving a lost drill pipe with a lifting bail when their left thumb got pinched between the table and handle of the lifting bail while trying to re-thread the pipe to lift it out. The employee suffered an amputation to the left thumb.

An employee was removing a core chuck from a stationary roll when their right ring finger was pinched between the chuck and the roll. The employee's fingertip was amputated.

An employee was working to remove scrap from the vicinity of a scrap shaker tray located at the rear of a press when she suffered a laceration and partial amputation of her right index finger.

An employee was loading a die plate onto a rack when the plate tipped down and pinched his finger, lacerating it. The employee sustained an amputation.

An employee was placing a flattener die on a turret press. The die broke loose and fell into the turret. The employee's right hand was pinched between the turret and the die, resulting in a partial amputation of the little finger.

An employee was un-banding metal blanks from pallets. He stepped on a pallet where the boards of the pallet overhung the runners, causing him to lose his footing and fall to the floor. The employee sustained injury to his left hip requiring hospitalization.

An employee was clearing a jam in the spot welder when the machine activated and crushed their right thumb, resulting in amputation of the thumb tip.

The injured employee was assisting five other employees with bracing a wall panel that was being stood up. Another employee slipped on frost on the floor surface. The employees went to evacuate the area in anticipation of the wall panel falling over. The injured employee went to jump through a window opening within the wall panel and their lower half was crushed by the falling wall panel. The employee sustained a fractured pelvis.

An employee was using a vertical band saw to cut a thick piece of rubber material. While being cut, the material shifted, causing the employee s right hand to contact the moving blade. The employee's thumb was amputated below the knuckle. The employee was hospitalized, undergoing surgery.

A production sanitation employee was pre-rinsing an incline conveyor and noticed cheese stuck between the belt idler. The employee went to remove the cheese and their glove got caught and pulled their left forearm into the conveyor. The employee's arm was fractured. The machine was not locked out/tagged out at the time.

An employee was on a ladder, taking measurements for a new gutter installation. The ladder slipped out from under him and both he and the ladder fell to the ground. He was hospitalized with seven broken ribs and a broken clavicle.

An employee was unloading a truck for a delivery job. While moving boxes in the truck, the employee tripped over a pallet and fell out of the truck to the ground, resulting in four broken ribs.