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North American Mills

Sappi Fine Paper North America is the leading producer and supplier of coated fine paper, pulp and release paper in the United States. We are headquartered in Boston, Massachusetts with mill operations in the northeast and north central United States:

  • Somerset Mill, Maine
  • Westbrook Mill, Maine
  • Cloquet Mill, Minnesota

Since our founding as the S. D. Warren Company in 1854, we have built a solid reputation for innovation and qualityamongst and beyond paper manufacturers.  We have been responsible for many 'firsts' in the paper supply industry, primarily in coating and clean mill technology. We care deeply for the needs of the communities in which we operate and are committed to the safety and well being of our employees.


*On August 26, 2009, Sappi Fine Paper North America announced the permanent closing of the Muskegon Mill in Muskegon, Michigan, which previously produced 170,000  metric tons of coated fine paper annually.

Somerset Mill

Our Mill

Our Somerset Mill opened in 1974 and lies on 2,500 acres of land in central Maine. Each of our three paper machines at the mill use SFPNA's patented online finishing technology. The paper we produce here is primarily used for high-end magazines, books and catalogs. Our Somerset Mill manufactures coated free sheet graphic paper, grease-proof packaging paper and bleached chemical pulp.

Our Environment

Somerset Mill was designed for optimal operational and environmental paper supply performance. We generate most of our own electricity and supply all of our own water and steam. Our power plant could provide enough electricity for a city of 30,000 people. The mill uses Elemental Chlorine Free (ECF) bleaching, which is considered by the EPA to be the Best Available Control Technology.

Somerset achieved triple Chain of Custody certification from the Forest Stewardship CouncilTM, Sustainable Forestry Initiative and the Programme for the Endorsement of Forest Certification. The wood procurement system is also certified to the Sustainable Forestry Initiative's Fiber Sourcing standard.

Our Certifications:
FSC® Chain of Custody: BV-COC-070510
SFI® Chain of Custody: BV-COC-209962
SFI® Fiber Sourcing: BV-SFIS-205583
PEFC Chain of Custody: BV-COC-209962

OHSAS 18001:2007 Occupational Health and Safety Systems: UQA 4001076

ISO 9001:2000 Quality System:  UQA 0109698
ISO 14001:2004 Environmental Management System:  UQA 4000072

Our Community

Somerset Mill's volunteer efforts and financial contributions support more than 300 local organizations including the Community Health and Counseling Center, the Boys & Girls Club, the Maine Special Olympics and over 25 local school programs. Mill employees donate thousands of hours to community groups every year.

Somerset Mill At-a-Glance

Annual Production: 795,000 metric tons of paper and 525,000 metric tons of pulp
Products: Opus, Somerset, and Flo web; Lusterprint web
End Uses: annual reports, advertising brochures, fine art books
Employees: approximately 840

Westbrook Mill

Our Mill

Our Westbrook Mill near Portland, Maine is where the history of Sappi Fine Paper North America began with the S.D. Warren Company in 1854. It is the site of the first coated papermaking facility in the U.S. and the place where we first developed our reputation for quality and innovation, both as a company and as a paper manufacturer. The town of Westbrook is also home to our North America Technology Center Research and Development facility. Today, the mill is primarily a production facility for specialty release papers and films, a business that continues to exemplify the mill's tradition of innovation.

Our Technology Center

In operation since 1926, Sappi's history of innovation runs deep at Westbrook with many industry technical–firsts' originating from our Technology Center. This facility is equipped with two state-of-the-art pilot coaters that enable prototype development for both our coated fine papers and our specialty release paper business. Past and present employees of the Technology Center are the proud developers of over 200 patents that have helped Sappi and the customers we serve maintain a competitive edge for years.

Our Environment

We recognize that responsible environmental management of natural resources, linked with social responsibility and sound economic performance, are the requirements of a sustainable business. Therefore we are committed to the responsible management of our activities, adherence to regulatory requirements, to continuous improvement of our environmental performance and the proactive reduction of pollution.

Our Certifications:
OHSAS 18001:2007 Occupational Health and Safety Systems: QSR-OHAS-006

Our Community

We support more than 50 local organizations with volunteer efforts and financial contributions, including the American Cancer Society, Salvation Army, the Portland Tree Trust and over 25 local school programs. Our mill employees have also donated thousands of hours to community groups.

View the Presumpscot River blog for more info regarding water level changes on Sebago Lake and other information.

Westbrook Mill At-a-Glance

Annual Production: 35,000 metric tons of coated specialty paper
Products: Warren Release Papers, including Ultracast, Adva, Versakote and Stripkote, and engineered films, Stratum
Employees: approximately 340

Cloquet Mill

Our Mill

Located on the banks of the St. Louis River since 1898, our Cloquet Mill produces some of our most requested coated fine papers including McCoy, Opus and Flo. The mill specializes in coated free sheet graphic paper and bleached chemical pulp. Through the recent conversion of the kraft pulp mill, Cloquet now manufactures dissolving wood pulp (DWP) under Sappi's Specialised Cellulose division primarily for the textile markets. DWP is a versatile raw material used by manufacturers to produce a wide range of products including textile fibers, pharmaceutical, beauty, and household products. For more on Sappi's Specialised Cellulose business, please visit the Sappi Limited website: http://www.sappi.com/regions/sa/specialisedcellulose/Pages/specialisedcellulose.aspx

Our Environment

Our Cloquet Mill actively takes steps to minimize our impact on the environment. The Cloquet mill generates nearly all of its own electricity and, with over 80% renewable energy, has one of the lowest carbon footprints in the industry. Furthermore, since 2008 we have reduced materials to landfill by over 55%, and even developed a beneficial use program which donates ash to local farmers for use as a soil amendment. The mill uses Elemental Chlorine Free (ECF) bleaching which is considered by the EPA to be the Best Available Control Technology.

Cloquet's environmental management system is ISO 14001:2004 certified and the mill maintains chain of custody certification from the Forest Stewardship CouncilTM (FSC®), Sustainable Forestry Initiative (SFI®) and Programme for the Endorsement of Forest Certification (PEFC) programs. The wood procurement system is also certified to the Sustainable Forestry Initiative's Fiber Sourcing standard.

Our Certifications:
FSC® Chain of Custody: BV-COC-060801
SFI® Chain of Custody: BV-SFICOC-US07000220
SFI® Fiber Sourcing: BV-SFIS-205583
PEFC Chain of Custody: BVC-PEFCCOC-US08000067

OHSAS 18001:2007 Occupational Health and Safety Systems: QSR-OHSAS-005

ISO 14001:2004 Environmental Management System: QSR-EMS-050
ISO 9001:2008 Quality Management System: QSR-230

Our Community

Employees at Cloquet Mill are committed to giving back to their local communities. They regularly volunteer their time and make financial contributions to a range of community organizations. Our mill-based Community Relations Committee coordinates outreach efforts to non-profit groups such as the United Way, the local fire and police departments, as well as over 20 local school programs.

Cloquet Mill At-a-Glance

Annual Production Capacity: 330,000 metric tons of paper and 330,000 metric tons of dissolving pulp
Products: McCoy, Opus, Flo sheets and Specialised Cellulose
Paper End Uses: annual reports, advertising brochures, fine art books
Pulp End Uses: textiles, pharmaceutical, household products
Employees: approximately 780