| 1 | 
Accokeek Furnace. 1725-1752. Stafford Co., Va.. iron furnace (or owner) -- | 
| 2 | 
Adullam Furnace. 1797-1797. Jackson Co., Ga.. iron furnace (or owner) -- | 
| 3 | 
Aetna Furnace. 1818-1820. Hart Co., Ky.. iron furnace (or owner) -- | 
| 4 | 
Aetna Furnaces. 1810-1819. Anne Arundel Co., Md.. iron furnace (or owner) -- | 
| 5 | 
Albany Union Air Furnace. 1816-1820. Albany, N.Y.. iron furnace (or owner) -- | 
| 6 | 
Alger, Cyrus. 1818-1820. Boston, Mass.. iron furnace (or owner) -- | 
| 7 | 
Armstrong, Walter. 1813-1822. Baltimore, Md.. iron furnace (or owner) -- | 
| 8 | 
Armstrong, William. 1809-1810. Baltimore, Md.. iron furnace (or owner) -- | 
| 9 | 
Atkinson, Joseph. 1797-1797. Charleston, S.C.. iron furnace (or owner) -- | 
| 10 | 
Bailey, Elam. 1787-1787. Baltimore Co., Md.. iron furnace (or owner) -- | 
| 11 | 
Bakewell, (Prentice &). 1819-1820. Louisville, Ky.. iron furnace (or owner) -- | 
| 12 | 
Ball, Joseph. 1783-1783. New Jersey. iron furnace (or owner) -- | 
| 13 | 
Ballendine, John. 1756-1782. Fairfax Co., Va.. iron furnace (or owner) -- | 
| 14 | 
Barker & Co.. 1800-1801. New York City. iron furnace (or owner) -- | 
| 15 | 
Barker, John. 1812-1817. Baltimore, Md.. iron furnace (or owner) -- | 
| 16 | 
Barker, Joshua. 1793-1814. New York City. iron furnace (or owner) -- | 
| 17 | 
Barker, Pierson & Co.. 1805-1808. New York City. iron furnace (or owner) -- | 
| 18 | 
Barker, Stevenson & Co.. 1797-1799. New York City. iron furnace (or owner) -- | 
| 19 | 
Barker, William. 1812-1822. Baltimore, Md.. iron furnace (or owner) -- | 
| 20 | 
Bass, Consider. 1801-1814. New York City. iron furnace (or owner) -- | 
| 21 | 
Baxter, Robert. 1820-1820. Dickson Co., Tenn.. iron furnace (or owner) -- | 
| 22 | 
Beall, Richard B.. 1815-1822. Baltimore, Md.. iron furnace (or owner) -- | 
| 23 | 
Beall, Walter. 1789-1810. Nelson Co., Ky.. iron furnace (or owner) -- | 
| 24 | 
Beaver Iron Works Furnace. 1817-1820. Bath Co., Ky.. iron furnace (or owner) -- | 
| 25 | 
Beekman, Samuel. 1795-1795. Charleston, S.C.. iron furnace (or owner) -- | 
| 26 | 
Belden, James. 1820-1820. Pittsburgh, Pa.. iron furnace (or owner) -- | 
| 27 | 
Bell, Hugh,. 1810-1810. Baltimore, Md.. iron furnace (or owner) -- | 
| 28 | 
Bell, Montgomery. 1807-1825. Dickson Co., Tenn.. iron furnace (or owner) -- | 
| 29 | 
Berkshire Furnace. 1780-1780. Berks Co., Pa.. iron furnace (or owner) -- | 
| 30 | 
Bice, Abraham. 1818-1818. Albany, N.Y.. iron furnace (or owner) -- | 
| 31 | 
Blackford, Benjamin. 1805-1812. Frederick Co., Md.. iron furnace (or owner) -- | 
| 32 | 
Blackford, Benjamin. 1820-1820. Shenandoah Co., Va.. iron furnace (or owner) -- | 
| 33 | 
Bogart,. 1812-1812. New York City. iron furnace (or owner) -- | 
| 34 | 
Bourbon Furnace. 1793-1812. Bourbon Co., Ky.. iron furnace (or owner) -- | 
| 35 | 
Bradley, William. 1814-1817. Baltimore, Md.. iron furnace (or owner) -- | 
| 36 | 
Brevoort, John. 1819-1822. New Orleans, La.. iron furnace (or owner) -- | 
| 37 | 
Brice, B.J.. 1820-1820. Harrison Co., W.Va.. iron furnace (or owner) -- | 
| 38 | 
Brice, B.W.. 1820-1820. Harrison Co., W.Va.. iron furnace (or owner) -- | 
| 39 | 
Brodie, Robert H.. 1822-1830. Charleston, S.C.. iron furnace (or owner) -- | 
| 40 | 
Brooke Furnace. 1814-1820. Brooke Co., W.Va.. iron furnace (or owner) -- | 
| 41 | 
Brouwer, Samuel. 1815-1815. New York City. iron furnace (or owner) -- | 
| 42 | 
Brown, (Morgans, ___,& Guthrie. 1820-1820. Greene Co., Tenn.. iron furnace (or owner) -- | 
| 43 | 
Brown, Morgan. 1805-1805. Montgomery Co., Tenn.. iron furnace (or owner) -- | 
| 44 | 
Browning, William. 1812-1818. New York City. iron furnace (or owner) -- | 
| 45 | 
Bruce's Old Furnace. 1804-1804. Frederick Co., Md.. iron furnace (or owner) -- | 
| 46 | 
Brush Creek Furnace. 1813-1820. Adams Co., Ohio. iron furnace (or owner) -- | 
| 47 | 
Buckingham Furnace. 1762-1788. Fairfax Co., Va.. iron furnace (or owner) -- | 
| 48 | 
Buffington, Joseph. 1774-1776. Tryon Co., N.C.. iron furnace (or owner) -- | 
| 49 | 
Buffington, Joseph. 1776-1788. Spartanburg Co., S.C.. iron furnace (or owner) -- | 
| 50 | 
Bush River Iron Works Co.. 1754-1788. Baltimore Co., Md.. iron furnace (or owner) -- |