The following 8 service centers are located in Nebraska ...

 MAP IT!
Bill's Repair
1101 G St
Fairmont, NE    68354
PHONE: +1 402-268-3141
billsrepair1300@yahoo.com
Map to Bill's Repair
 
Lazer Alignment Inc
8401 South 81st St
Lincoln, NE    68516-4086
PHONE: +1 402-578-7766
lazeralign@windsteam.net
Map to Lazer Alignment Inc
 
Peterbilt of Norfolk
2001 South 13th St
Norfolk, NE    68701
PHONE: +1 402-844-4749
dzimmerer@pbtruck.com
Map to Peterbilt of Norfolk
 
Inland Truck Parts
3820 S Newberry
North Platte, NE    69101
PHONE: +1 308-532-4188
thellbusch62@gmail.com; timh@inlandtruck.com
Map to Inland Truck Parts
 
1,2,3 Inc Mid America Diesel
420 E Walker Rd
North Platte, NE    69101-9303
PHONE: +1 308-534-1206
Devaka Cooray [devaka@rovincetire.com]
Map to 1,2,3 Inc Mid America Diesel
 
Nebraska Truck Center
2502 East 4th St
North Platte, NE    69101
PHONE: +1 308-532-7730
Map to Nebraska Truck Center
 
Floyd's Sales & Svc-Freightliner
322 S Beltline East
Scottsbluff, NE    69361
PHONE: +1 308-632-2911
codyb@floydstrucks.com
Map to Floyd's Sales & Svc-Freightliner
 
Floyds Truck Center
PO Box 543
Sidney, NE    69162
PHONE: +1 308-254-5956
Map to Floyds Truck Center
 

We also have at least one Protrak service center in the following other states/provinces:

Alberta
Alabama
Arizona
California
Colorado
Florida
Georgia
Iowa
Idaho
Illinois
Indiana
Kansas
Kentucky
Massachusetts
Michigan
Minnesota
Missouri
Mississippi
Montana
North Carolina
North Dakota
New Jersey
New Mexico
Nevada
New York
Ohio
Oklahoma
Ontario
Oregon
Pennsylvania
Quebec
South Dakota
Saskatchewan
Texas
Utah
Virginia
Washington
Wisconsin
West Virginia
Wyoming