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.
October 8th - 14th Annual Fall Auction
BEGINS CLOSING
Oct 8 2025 @ 9:00AM CDT
October 8th–14th LIVE & ONLINE — Consign Today! Heavy Construction Equipment , Commercial Trucks, Trailers, Recreation/Powersports, Tools and more!
October 8th Online-Only Auction
BEGINS CLOSING
Oct 8 2025 @ 5:00PM CDT
October 8th - Online Only Ring - Cars, Light Trucks, Unused Skid Steer Attachments, Recreational Items, Excavator Attachments, Tools. Items begin closing at 5pm CST.
Bud Maas Signature Auction
BEGINS CLOSING
Nov 5 2025 @ 9:00AM CST
COMING SOON! November 5th — Iowa City, Iowa — LIVE & ONLINE — After 53 years of successful operations, Bud Maas Concrete of Iowa City is retiring. This auction includes a wide variety of late-model, well-maintained equipment, trucks, concrete finishing tools/machines and miscellaneous supplies. Stay tuned for full details, open house/inspection dates, and a complete listing of all auction lots.
December 3rd - 5th Annual Winter Auction
BEGINS CLOSING
Dec 3 2025 @ 9:00AM CST
December 3rd–5th LIVE & ONLINE — Consign Today! Real Estate, Heavy Construction Equipment , Commercial Trucks, Trailers, Forestry, Recreation/Powersports, Tools and more!
Buy-It-Now Marketplace
The ISA Buy-It-Now Marketplace is your direct path to all types of equipment–construction, farm/ag, commercial trucking, vehicles and more. All Buy-It-Now pricing includes our standard 10% buyer's premium.
