Firefighters from 11 fire departments responded early Sunday morning to extinguish a blaze of old wooden pallets that had caught fire at Peterson Excavating, just north of Albert Lea.

Clarks Grove Fire Chief Carl Anderson said no one was injured.

This was the second fire for the company, 24302 755th Ave., in three months.

Anderson said the call of the fire came into authorities at 2:38 a.m. Sunday. Firefighters fought the blaze for 12 hours. The pallets had been in a large pile.

As of this morning, the cause of the fire is still unknown, and a team of investigators from Albert Lea will begin an investigation today.

The fire continued to smolder this morning.

Firefighters fought a blaze in a building of the company in May.

Peterson Excavating, which also does business as I-90 Recycling, is across the road from the Good Samaritan Society. While Good Sam is in the city limits of Albert Lea, Peterson Excavating is not. And there are only two fire hydrants at Good Sam.

Peterson Excavating and I-90 Recycling are owned by Mike Peterson.