Integrity Sales & Auction (ISA) is a premier contractor and trucking-focused auction company servicing the Central United States. We specialize in heavy construction equipment, agricultural, forestry and commercial trucking assets, providing an unmatched customer experience on both sides of the sale.
It's in our name yet it's more than just a name. It's a promise. We're founded upon a commitment to preserving integrity at all times--in every aspect of our business, a commitment that provides buyers and sellers the confidence needed to do business with us. We look forward to the opportunity to earn your trust.
Annual Summer Equipment & Trucking Auction
BEGINS CLOSING
Jul 30 2025 @ 9:00AM CDT
July 30th - Aug 1st Featuring Heavy Equipment, Commercial Trucking/Transport & Real Estate. Bid now on Yellow Iron, Aggregate Equipment, Forestry Equipment, Trailers, Heavy Duty Pickups, Recreational Items and more!
Online Only (Day #1) Summer Equipment & Trucking Auction
BEGINS CLOSING
Jul 30 2025 @ 5:00PM CDT
July 30th — DAY #1 Online Only Items — Unused Skid Steer Attachments including Grapples, Buckets, Forks, Tillers, Sweepers, Mulchers, Augers, Hydraulic Hammers, Tires, Mini Excavators and more! Public Inspection Hours for Merrill Auction Yard: M-F 8am-4pm. See item descriptions for inspection hours for off-site items.
Classic Car Auction
BEGINS CLOSING
Aug 1 2025 @ 9:00AM CDT
Looking to sell your classic car, hobby truck or other custom vehicle? Mark your calendars for August 1st, 2025 and plan to attend ISA’s Annual Classic Car Auction, LIVE from Merrill, Wisconsin and online! This special consignment auction will be widely promoted and feature a wide range of classic autos, including Hot Rods, Show Cars, Square Body Pickups, Motorcycles and more!
Antique Tractor Auction
BEGINS CLOSING
Aug 1 2025 @ 9:00AM CDT
Buy & sell antique tractors on August 1st, 2025! ISA’s First Annual Antique Tractor Auction will be LIVE & ONLINE from Merrill, Wisconsin! Step into the past and power into history! Whether you’re a collector, restorer, or just love the growl of historic farm machinery, be sure to register for this special auction event!