Tigpro

​Tri State Steel is a trusted steel provider, delivering quality steel to customers throughout the state of Maine.

Douglas Brothers Division, supplies stainless steel pipes and fittings to the pulp and paper, chemical, petro-chemical, food preparation, and wastewater and sewage treatment industries. The company also provides tanks and towers to municipal, commercial and industrial clients. Its product line includes elbows, reducers, angle rings, flanges and fabricated fittings. In addition, it supplies and installs manways. Douglas Brothers Division offers pre-production, spooling, planning, storage and shipping services. The company operates manufacturing plants in the United States and Canada and also maintains a custom department that offers fabrication services. It maintains one of its locations in Portland, Maine.