American Trailer Rental Group Acquires Colorado Storage Systems

January 2022 – Flatirons Capital Advisors, a leading mergers and acquisitions advisor to privately-held, middle-market companies, is pleased to announce the acquisition of Colorado Storage Systems by American Trailer Rental Group, a Kentucky-based leading provider of trailer rental solutions to manufacturing, distribution, and third party logistics customer.

About American Trailer Group

ATRG (American Trailer Rental Group, LLC) is a family of companies that offer short-term trailer rentals providing temporary or permanent warehousing space across a multitude of manufacturing and industrial customers. The Company has 19 locations spanning across the U.S. with over 16,000 storage, cartage, and over-the-road trailers. To learn more about the American Trailer Rental Group, visit

About Colorado Storage Systems

Colorado Storage Systems is a family-owned and operated company that has been in the portable storage business for over 30 years. The company’s goal is to provide with the best possible service at a great price. Delivery is usually available within 24 hours with the most up-to-date security devices to secure portable storage units.

About Flatirons Capital Advisors

Flatirons Capital Advisors, LLC ( is a Mergers and Acquisitions advisory firm that helps privately held companies sell their businesses and acquire other businesses.  Our unique business model affords sell-side advisory clients the ability to improve their company’s performance, earnings, and effectiveness in the short-term, while simultaneously increasing their market value for a future sale. Flatirons has offices in Colorado, Florida, Illinois, and Texas.,