An AC enthusiast friend of mine sent this to me a while back. Hopefully this will be useful for Minnesota Allis-Chalmers enthusiasts.
ADA: Helwig Impl. Co.
AITKIN: Wold Impl. Co.
ALBANY: Neis & Boethin Impl. Co.
ALEXANDRIA: Harris Farm Supply, Inc.
ALPHA: Garber Implements
ARLINGTON: Spannaus Service
BARNESVILLE: Johnson Impl. Co.
BATTLE LAKE: Lykken Farm Supply
BELGRADE: LSM Sales & Service Co.
BELLE PLAINE: Johnson Impl. Co.
BEMIDJI: Tim’s Impl. Co.
BENSON: Haugen-Johnson Impl. Co.
BETHEL: Sylvester Garage & Impl. Co.
BLACK DUCK: Les Schipper
BLOOMING PRAIRIE: Peterson Impl. Co.
BLUE EARTH: Paschke Implement
BRAINERD: Bill Johnson Impl.
BROWNS VALLEY: Hansen Oil Co.
BUFFALO: Johnny’s Impl. Service
BUFFALO LAKE: Mueller Chev. Co.
BUTLER: Hendrickx Impl. Co.
CANBY: Canby Impl. Co.
CANNON FALLS: Syverson-Ryder, Inc.
CHANDLER: Valley Impl. Co.
CHASKA: Lano Impl. Co.
CHATFIELD: Chatfield Motor Co.
COTTAGE GROVE: Gerlach Service
CROOKSTON: Superior Farm Supply
DALTON: Hansel Impl. Co.
DASSEL: Bengtson Motor Co.
DELANO: Delano Motor Co.
DELAVAN: Brandt Brothers
DODGE CENTER: R. E. Gould Garage
DULUTH: Goldfine’s, Inc.
EAGLE BEND: Eagle Bend Farm Supply
ECHO: Echo Motors
EITZEN: Deters Implement
ELBOW LAKE: Christiahson Equip. & Const. Co.
ELLENDALE: Thompson Impl. Co.
FAIRFAX: Black Impl. Co.
FARMINGTON: H & N Impl. Co.
FERGUS FALLS: Swanson Equipment
FERTILE: Thorkelson & Jacobs
FORSETON: Nystrom Impl. Co.
FOSSTON: Berge and Pederson Implement
GAYLORD: Elvin Uecker Impl.
GLENCOE: Tanner Impl. Co.
GOODHUE: Lodermeier Impl. Co.
GRAND RAPIDS: Mornes Impl. Co.
GRANITE FALLS: Lyle Monson Motors
GRYGLA: Henry Holt Farm Impl.
HALLOCK: McVean Motor Co.
HAMEL: Fortin Hardware Co.
HAMMOND: Kennedy Impl. Co.
HARRIS: Wayside Equip. Co.
HARTLAND: Hartland Hardware
HAWLEY: Hank’s Motors
HECTOR: Service Impl. Co.
HENDRICKS: Huber & Wahlstrom
HENDRUM: Ostenson Sales & Service
HERON LAKE: Carlson Implement
HOFFMAN: Sanders Chev. & Impl. Co.
HOKAH: Hokah Auto Co.
HOUSTON: Loerch Impl. Co.
HUNTLEY: Huntley Implement
JACKSON: Avenson Impl. Co.
KENNEDY: Olson Motor Co.
KENYON: Eckert Impl. Co.
KIMBALL: A. M. Maus
LAKE CRYSTAL: Roy Jones Impl.
LAKE PARK: Lunder Impl. Co.
LAMBERTON: Lamberton Impl. Co.
LE CENTER: Le Center Impl. Co.
LEWISVILLE: Lewisville Motor Co.
LITCHFIELD: Putzier & Ornberg
LITTLE FALLS: Johnson Impl. Co.
LONG PRAIRIE: Blais Motor Co.
LUVERNE: Sandstede Farm Equip.
MABEL: Mabel Impl. Co.
MADELIA: Goode Impl. Co.
MADISON: Lund Impl. Co.
MANKATO: Donolon Farm Equip
MARSHALL: Schrunk’s Garage
MINNEAPOLIS: Frank Knapp
MONTEVIDEO: Montevideo Impl. Co.
MONTICELLO: Bryant Impl. Co.
MOORHEAD: Joe Harris Farm Store
MORA: Zetterberg Co., Inc.
MORGAN: Hillger Implement
MOUNTAIN LAKE: Henry Penner Impl.
MYRTLE: Bork Impl. Co.
NERSTRAND: Isaacson Service Garage
NEW YORK MILLS: Hintsala Implement
NORTH BRANCH: Olson Fuel Co.
NORTHFIELD: Rydberg Impl. Co.
NORWOOD: Lano Bros. Impl.
ODIN: Olson Bros. Impl.
OKLEE: Birkeland Farm Supply
OLIVIA: Grund Impl. Co.
OSSEO: North Hennepin Farm Supply
PARKERS PRAIRIE: Schrader and Koehn
PARK RAPIDS: Jones Impl. & Farm Supply
PAYNESVILLE: A & C Farm Service
PELICAN RAPIDS: Wicklund Farm Supply
PERHAM: Bleickner Impl.
PIERZ:Guild Impl. Co.
PINE ISLAND: Lueck Brothers
PIPESTONE: Benson Impl. Co.
PLAINVIEW: Kruger Impl. Co.
PRINCETON: Welin & Matz Co.
RAYMOND: Boelter & Son
REDWOOD FALLS: Falls Impl. Co., Inc.
RENVILLE: Wahl Impl. Co.
ROGERS: Rogers Motor & Impl. Co.
ROSEAU: O. K. Machine Company
ROTHSAY: Western Implement
RUSHFORD: Morken’s Service
RUTHTON: Pilegaard Impl. Co.
ST. BONIFACIUS: Thurk Body & Impl. Co.
ST. CHARLES: Currie Motor Co.
ST. CLOUD: Cater & Odegard
ST. JAMES: Lindquist Implement
ST. PETER: Seitzer Impl. Co.
SAUK CENTRE: Farmers Co-op Elevator
SLAYTON: Hegstod Equip., Inc.
SLEEPY EYE: Firle Impl. Co.
SMITHS MILL: Joyce Implement
SPRINGFIELD: Bloemke Impl. Co.
SPRING VALLEY: Marzolf Impl. Co.
STARBUCK: Starbuck Farm Supply
STEEN: Steen Impl. & Hdwe.
STEPHEN: Koser & Jergenson
STEWARTVILLE: Sass Farm Equip.
THIEF RIVER FALLS: Sande Auto & Impl. Co.
TRACY: Brekken Impl. Co.
TYLER: Christianson Impl. Co.
ULEN: Forsythe Garage
VIRGINIA: Farmers Equip Co.
WASECA: Kuyper Impl. Co.
WATERVILLE: Prahl Impl. Inc.
WESTBROOK: Boeck’s Garage
WHEATON: Carlson Company
WILLIAMS: Gillie & Hall
WINONA: F. A. Krause Co.
WINSTEAD: Ochu Impl. Co.
WORTHINGTON: Chris Johnson Impl. Co.
WOOD LAKE: Markgraf Brothers
Austin M. Frederick 