1954
Established as Sioux City Truck Sales, Inc., a Diamond-T Truck Dealer.
1964
Became the first Peterbilt franchise east of the Rockies; renamed Peterbilt of Sioux City in 1994
1971
Sioux City Truck Sales, Inc. of Des Moines was opened in Altoona, Iowa; renamed Peterbilt of Des Moines in 1994.
1973
Sioux City Truck Sales, Inc. of Council Bluffs began serving the Omaha Metro area; renamed Peterbilt of Council Bluffs in 1994 and moved into a new larger facility in 1996.
2000
Peterbilt of Norfolk opened as a parts store and became a full service dealership in 2006.
2006
Peterbilt of Sioux City moved into a large new state-of-the-art facility.
2013
Peterbilt of Lincoln opened as a parts store and became a full service dealership in 2016.
2015
Dealerships combined marketing efforts under the brand Midwest Peterbilt Group.
2017
Parts storage warehouses were constructed at most dealerships.
2020
Midwest Diesel Tech Academy built next to the Corporate Office in Sioux City, IA
2022
Peterbilt of Des Moines moves to a new facility in Ankeny.
2023
TRP of O'Neill Opens in O'Neill, NE
TRP provides aftermarket parts for all makes of commercial equipment.