Collins Sheet Metal is a family owned and operated business that began in 1985. Started by Gary Collins Sr., out of a small garage. Collins Sheet Metal has grown to a 10,000 sq. ft. facility at 510 Portland St., Berwick, Maine. Offering a wide variety of metal services to our customers. Ranging from residential duct systems, to heavy gauge industrial exhaust, dust collecting systems, machine guarding, platforms, stairways, kitchen hoods, commercial duct systems, etc.