| 1898 |
Started by an old Sourdough named Bob Ellis in Dawson City, Sourdough Express hauled many prospector's gear through the legendary terrain by dog sled in winter and horse drawn wagons in summer. |
| 1902 |
Sourdough Bob follows the Gold Rush to Fairbanks and continues hauling freight. |
| 1923 |
Ed Hering purchased the company from Sourdough Bob. Sourdough has been owned and managed by the Hering family ever since. The first trucks were used for hauling over the roads. Horse drawn wagons and dog teams were still used on rough trails to mining camps and village. |
| 1927 |
Gene Rogge, a pioneer Fairbanks Trucker, and Hering's son in law, hauled his first load from Valdez to Fairbanks. He carried eight barrels for gas to Fairbanks in his 1927 Chevy Truck. |
| 1934 |
Sourdough began hauling coal to local customers. |
| 1935 |
Gene Rogge buys Sourdough from Ed Hering. The operation focuses in on hauling mining equipment and machinery to different mining camps. |
| 1940 |
Leo Schlotfeldt leases Sourdough Express from Gene Rogge. Sourdough was doing home heating oil and coal deliveries and local cartage in Fairbanks area. |
| 1945 |
Sourdough becomes a distributor for Standard Oil in Fairbanks. |
| 1948 |
Leo Schlotfeldt purchases Sourdough Express from Rogge and soon after incorporates under the name Sourdough Express, Inc. |
| 1949 |
Sourdough services include delivery of coal, oil wood and freight of general commodity. |
| 1956 |
Sourdough enters household goods business as an agent for Alaska Orient Van Service. |
| 1958 |
Sourdough became an agent for United Van Lines doing military and commercial household moves. They were also an agent for Air Van Lines who used to fly their household goods to Seattle. |
| 1959 |
Alaska became a state and Sourdough Express received their ICC permits, causing the home heating oil and coal service to be under a company the family named Sourdough Heating. |
| 1960 |
Sourdough gains it's own ICC authority to haul household goods. |
| 1968 |
Leo Schlotfeldt and a group of investors start the "Great North Transportation group" to attempt an overland road from Fairbanks to Prudhoe Bay. |
| 1974 |
With discovery of oil on the North Slope, Sourdough trucks began hauling supplies for oil development to the slope. |
| 1975 |
Sourdough companies services include transportation of household goods, home heating fuel, coal, full truckload petroleum products, bulk commodities, flatbed, van specialized hauling and oversize equipment hauling, local drayage, air freight services, in addition to furnace repairs, cleaning and replacement. |
| 1985 |
Oil prices crashed, Sourdough Express weathers an economic disaster. Sourdough opens a second moving company called Borealis Moving and Storage. Sourdough Fuel (Sourdough Heating and Fairbanks Fuel) is sold to Petro Star (Arctic Slope Regional Corporation).
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| 1987 |
Sourdough Express becomes an agent for Global Van Lines with the additional business Sourdough opens a terminal in Anchorage. |
| 1994 |
Development on the North Slope increases and an influx of federal dollars causes substantial growth in Alaska's economy. Sourdoughs freight division expands it services. |
| 1997 |
Sourdough opens a third moving company, Sourdough Transfer, Inc., specializing in military shipments. |
| 1998 |
Borealis opens a terminal in Anchorage, specializing in military shipments. |
| 1999 |
Sourdough Express purchases Food Transportation Services from Bob Bolding expanding into the movement of temperature-controlled freight. Sourdough opens a terminal in Cordova. |
| 2001 |
Sourdough Express diversifies into selling and leasing sea containers or "connexes" for storage structures. |
| 2003 |
Sourdough Express continues to grow with the Alaskan economy, hauling an assorted variety of commodities. |
