MasTec Services Company, Inc.

An employee was walking on uneven, rocky ground alongside a shallow trench less than 3 feet deep while installing electric utility conductors. The employee fell into the trench and landed on his left foot, resulting in a hairline fracture of the lower left leg that required hospitalization and surgery.

An employee was on the ground working on a de-energized-by-design pole guy wire. The guy wire became energized by an overhead electric source. The employee sustained electric burns to their left hand and right knee and was hospitalized for treatment.

An employee was helping a machine operator load a personnel bucket onto a trailer when the employee was struck by the boom of a rear-easement backyard digger-derrick machine. The employee suffered fractures to the ribs, hips, and right femur.

An employee was cleaning an underground electrical vault. The employee was shocked, fell from the stepladder, and was injured. The employee's left hand was amputated due to the electric shock.

An employee was attempting to remove a drive gear from beneath equipment. The employee was operating a pneumatic drill with his left hand while bracing himself with his right hand on the drive gear. The torque of the drill caused the gear to shift and catch the distal phalange of his right pinky finger, resulting in a partial amputation.

An employee was making modifications to an electrical panel when an arc flash occurred. The employee suffered burns to multiple parts of the body.

An employee was installing a ground wire to a power transmission pole. The ground wire contacted an energized portion of a cut-out, causing an arc-flash. The employee was hospitalized with second degree burns to their chest and arms.

An employee was connecting a utility transformer for underground service to a home. The employee's impact drill went across two connection bars with 240 volts of potential, creating an arc flash. The employee sustained burns to the face and eyes due to the arc flash and molten aluminum.

On December 15, 2023, at 9:15 AM, an employee was changing 60-amp fuses in a 480-volt panel when an arc flash occurred. The employee was hospitalized with burns to both hands.

An employee had just turned off breakers and was loosening wires on panels when they were shocked by 480 volts of electricity.

An employee was moving a tensile strength test device with a dolly. The device fell from the dolly onto the employee's right leg, causing a compound fracture.

An employee fell while stepping off the tailgate of a pickup truck. The employee landed on the ground and suffered a broken left fibula and tibia.

On October 7, 2025, employees were conducting trenching operations for the installation of a new sewer line system. The excavator's bucket was detached and put inside the trench as it was being exchanged for a different-sized bucket. An employee entered the trench with a shovel to move some dirt located at the front end of the pipe. The excavator bucket shifted and slid, striking the employee s right foot and trapping it against the ground. The employee sustained a fractured right tibia.

Employees were working to dislodge a large truck that was stuck in a rut using tow straps and a front-end loader with the bucket removed. An employee connected the straps to the loader and truck and another employee slowly engaged the loader to close the coupler. The injured employee's arm became caught in a pinch point. The employee was hospitalized with a fractured arm.

An employee was lifting a piece of 30-inch line stopping equipment using a jack screw. A lifting eye weld snapped and the load dropped. The end of the jack screw then landed on the employee's heel and crushed it. The employee was hospitalized.

After cutting a slab of beef short ribs, an employee turned to grab the pieces he had cut and his right hand contacted the saw blade. The employee sustained an amputation to his right index finger.

An employee was unloading a carpet pad from a truck when they fell from the truck dock to the concrete below, resulting in five fractured ribs and an injury to their left lung.

An employee was inspecting flares processes. The employee received burns to the front side of the body, face and arm from the flares.

An employee was removing plastic material from a production line when the machine cycled and amputated his left index, ring, and little fingers.

An employee was walking up a walkway to enter a building through the back entrance when she tripped over the lip of the cement ramp. The employee fell and sustained a fractured right hip.