- "Made in Fitchburg" was a mark of excellence and a guarantee of honest work well done during Fitchburg's Golden Age of Industry.
- Fitchburg's three major industries were paper, textiles and machinery.
- At its height of production in the 1920s, Crocker-Burbank Company, Fitchburg Paper and Falulah Paper were manufacturing around 1500 tons of paper every workday.
- Charles Brown of Fitchburg developed the automatic cut-off engine that was to play an important part in American Industrial History.
- Thomas A. Edison fitted his lab at Menlo Park, New Jersey, with a Brown Engine for the generation of electricity for the first incandescent light in 1878.
- Putnam Machine Company equipped the first machine shops in China in 1864 and the first Manual Training School in St. Petersburg, Russia, in 1896 with Putnam engines.
- The Burleigh Rock Drill Air Compressor, invented by Fitchburg's Charles Burleigh in 1865, was built by skillful workmen of the Putnam Machine Company in 1866 and was used to drill the seven mile Hoosac Tunnel.
- Everyone who utilizes successful air compression power drills are indebted to Burleigh's basic principals.
- The first Butterick Patterns were cut out in Fitchburg in the shops of Ebenezer Butterick, a Main Street tailor from 1861 to 1863.
- The Brown Bag Filling Machine, invented by Joseph C. Brown and promoted in Fitchburg with his brother, B.F. Brown, changed the business of bag filling throughout the world.
- D.M. Dillon of Fitchburg's Dillon Boiler Works invented and manufactured the first steel boilers in the world in 1874, which revolutionized the mechanical process of boiler making.
- In 1907, the entire mounted police force of Moscow, Russia, were equipped with Iver Johnson revolvers made in Fitchburg.
- Granite from Rollstone Hill was used in the building of the great bridges over the Hudson River.
- Amos and Emphraim Kimball were the first to "tame" Old Devil River (the Nashua River) by building the first dam in Fitchburg in 1750.
- At one time, Fitchburg was known as New England's "Machine City." It was the largest producer of small firearms, steel horse collars, screen plates and cross-cut saws in the world.