Abington Township, Montgomery County – Emergency crews are battling a massive commercial building fire at SPS Technologies, located at 301 Highland Avenue in Abington Township, just north of Philadelphia.

The fire, which ignited late Monday night, has escalated to a four-alarm blaze, prompting a large-scale response from Montgomery County and Bucks County fire departments.

Fire crews were dispatched shortly before 10:00 p.m. after reports of a fire at the aerospace manufacturing facility.

Initial reports suggested up to 60 employees may have been inside the building, but authorities have since confirmed that all individuals have been accounted for.

The fire is concentrated on the roof, with heavy flames visible. Firefighters are actively working to contain the blaze using master stream water cannons.

There were early reports of an explosion, but officials have not yet confirmed the cause of the fire.

Abington Township Police and Ward 6 Commissioner Jeffrey Browne have advised residents to avoid the area due to hazardous conditions.

SEPTA has suspended service on the Lansdale/Doylestown and Warminster regional rail lines due to the fire’s proximity to Glenside Station.

There has been no confirmation regarding injuries at this time.

Founded in 1903 as the Standard Pressed Steel Company, SPS Technologies is a major supplier of aerospace fasteners and fittings. The company has played a crucial role in aviation and defense manufacturing for over a century.

Firefighters continue to battle the flames as authorities work to determine the cause of the incident. More updates will follow as additional information becomes available.