Founded in 2017, FISO Door manufactures hollow metal doors and frames in Westminster, Maryland, with a particular focus on customized openings for modular enclosures, data centers and critical infrastructure. Its 50,000-square-foot facility combines manufacturing, warehousing and offices, while its U.S. powder-coated finish—offered as a standard feature—sets its hollow metal doors apart from products that require field painting. FISO also draws on a global team of more than 100 door specialists and more than 30 years of experience in Asian and European door markets.
UL Listed
NFPA 80
Compliance program
NFPA 252
Compliance program
UL 10B
Compliance program
UL 10C
Compliance program
ASTM A653/A653M
Compliance program
ANSI 250.4
Compliance program
ANSI 250.8
Compliance program
ASTM E1886
Compliance program
ASTM E1996
Compliance program
ASTM E330
Compliance program
ASTM E331
Compliance program
Florida Building Code FL-46579.1
Compliance program
ASTM A240/A240M
Compliance program
ASTM A480/A480M
Compliance program
NAAMM/HMMA 866
Compliance program
SDI 100
Compliance program
UL
Quality certification
SDIA2508
Quality certification
Michbi Doors, Inc. d/b/a Open & Shut DoorsMichbi Doors, Inc. d/b/a Open & Shut Doors is a family-run manufacturer of hollow metal doors and frames, incorporated in 1981. The company says it has grown into the largest WBE hollow metal manufacturer on Long Island and operates an office and manufacturing facility in Farmingdale, New York. It also distributes architectural hardware and wood door products.F, NY
Jamison Door CompanyFounded in Hagerstown in 1906, Jamison Door Company manufactures custom controlled-environment doors, with a longstanding reputation for cold storage and freezer applications. The U.S.-based manufacturer also serves demanding industrial and cleanroom settings, and joined the global BMP Group in 2021. Jamison plans to extend its Washington County manufacturing presence with a 355,000-square-foot Hagerstown facility designed to support up to 250 local employees.HAGERSTOWN, MD
Fleming Steel Door CompanyIn its third generation of family ownership, Fleming Steel Door Company has been a New Castle manufacturer since 1921, known for solving unusually demanding door-design problems. Its engineers and fabricators create custom systems for facilities where dependable operation matters, including aviation and military projects, and the company also supports those systems after installation.332321NEW CASTLE, PA
Firelands Hardware, IncFamily owned and operated since 2000, Firelands Hardware supplies complete commercial door openings, fabricating hollow metal doors and frames in its Monroeville, Ohio shop and producing aluminum opening products in-house. The Bockert family’s second generation took leadership in 2021, bringing engineering, manufacturing and creative expertise to a company known for hands-on help from its owners and staff.MONROEVILLE, OH