Hereafter is an alphabetical list of the widely known makers of machine made marbles.
Maker: Akro Agate Company
Location: Akron, OH (1911-1914) then moved to Clarksburg, WV (1914-1951)
Prime Dates: 1930s-1940s
Types: corkscrews, slags, Popeyes, oxbloods, ades & carnelians
Note 1: Akro sold box sets from five to more than a hundred per box. It also produced metal box sets and sacks of marbles.
Note 2: During the Great Depression Akro had three fourths of U.S. marble sales.
Note 3: Akro Agate was established in Akron, Ohio in 1911 for the purpose of making glass marbles and marble games. It's name was coined from the town Akron, and it became the trademark for all of their glass items. The company logo was a crow flying through the letter "A" clutching marbles in its mouth and each claw. Around the picture was the motto "Shoot straight as Akro flies."
Maker: Alley Agate Co.
Location: Pennsboro, WV and St. Mary's, WV
Type: Moss Agates, Opaque swirls, Translucent swirls, Transparent Patch, Transparent swirl, opaques.
Maker: Champion Agate Co
Location: Pennsboro, WV
Dates: 1938 to present
Type: furnace, metallic, pistachios, and corals
Maker: Christensen Agate Company
Dates: 1930s and 40s
Types: Guineas, slags, stripes & flames
Maker: Jabo, Inc.
Location: Reno, Ohio
Dates: 1987 to present
Types: Classics, floaters
Maker: Marble King, Inc.
Location: Paden City, WV
Dates: 1949 to present
Types: cat eyes, marine crystals, Chinese checker marbles and glass marbles.
Note: marbles for toys, oil filters and fish hatchery spawning pools.
Maker: Master Glass Company
Location: Bridgeport WV
Type: cat eyes, sunbursts, translucents
Maker: Master Marble Company
Location: Clarksburg, WV
Type: transparents, translucents, moss agates, opaque swirls
Maker: Peltier Glass Company
Location: Ottawa, IL
Types: rainbos, slags, picture marbles & peerless patches
Maker: Ravenswood Glass and Novelty Company
Ravenswood Novelty Works
Location: Ravenswood WV 1928-1930
Ravenswood WV 1931-1944, 1947-1955
Types: opaque swirls, clearies
Maker: Vacor De Mexico
Dates: 1930s to present
Maker: Vitro Agate Company/Gladding-Vitro Agate Company
Location: Parkersburg, WV
Type: parrot, patches, V patches, cateyes, Fisher Jewel Trays