National Portable Storage Association
The association for the portable storage industry
NPSA brings together the companies that rent, sell and lease storage containers, trailers and mobile offices, and the suppliers who serve them. Over 700 member companies and counting.
Need a container, mobile office or trailer?Get quotes from NPSA member companies near you
Membership
Built for the companies that keep America’s storage moving
NPSA is dedicated to helping smaller companies grow. Members get access to industry experts willing to answer questions and share ideas, plus the programs below.
- Member rates at every event. The Conference & Trade Show and the Fall Networking & Seminar.
- Leads from this website. Members are listed in the online directory with the chance to receive leads.
- The Community Forum. Ask the industry a question and get answers fast from your peers.
- Training and research. Workforce training videos, white papers and The Dispatch newsletter.
- Regular
- $600 fewer than 10 staffed locations
- National
- $5,000 10 or more staffed locations
- Associate
- from $700 suppliers and service providers, by revenue
Two questions. You get the exact category, dues and application form.
Events
The only show dedicated solely to portable storage
Three days of networking, education and a trade show floor full of containers, trailers, modifications and the people who build the industry.
Next2027 Conference & Trade Show2028 Conference & Trade Show
May 7-9, 2028 · Orlando, FL
2026 Fall Networking & Seminar, Milwaukee
Ken Schmidt, Carl Gould and a night at the Harley-Davidson Museum.
ExhibitPut your company on the show floor
Booths from 10 x 10 to outdoor demonstration space.
Find storage
Need portable storage? Start with the right unit
NPSA members rent and sell storage containers, mobile offices, trailers and moving containers. Pick what you need, or answer two questions and we will point you to the right one.
Portable Storage Awards
The 2026 winners
Recognition by industry peers, presented at the 2026 Conference & Trade Show in San Antonio, TX. Nominations for the 2027 awards are open.
- Portable Storage Company of the YearNorthland Mobile to You
- Supplier of the YearOmni-View
- Lifetime AchievementKevin Smith, Sr., Equipment Management Services, LLC
- Award for Innovation360 Products North America Inc.
- Modification/Structure, over $50,000Conteneurs Experts Inc.
- Modification/Structure, under $50,000The Container Guy & Midstate Containers
Play video: 2026 Portable Storage Company of the Year: Northland Mobile to YouFrom members and exhibitors
Why companies keep coming back
Play video: NPSA member testimonial: Jesse Moreno, DSV Road Inc.“Built Rite Industries has been displaying at the NPSA Trade Shows for nearly 20 years. I have consistently exhibited because after each Show I walk away with new leads, contacts, and a wealth of knowledge.”
Craig RapozaOwner, Built Rite IndustriesThank you to our sponsors
Double Platinum and Platinum sponsors
Learn
Straight answers from the industry
Guides for operators starting or growing a portable storage business, and for customers renting their first container.
How to start a portable storage business
How to start a portable storage business: startup costs, fleet size, delivery trucks, licenses, permits, and a first-90-days plan for new operators.
Read the guideFor operatorsShipping container grades explained: One-trip, IICL, cargo worthy, and WWT
Shipping container grades explained for operators: one-trip, IICL, cargo worthy, wind and water tight, as-is, and what a CSC plate does and does not prove.
Read the guideFor customersPortable storage container sizes: What size do you need?
Storage container sizes explained: 8, 12, 16, 20 and 40 ft units, high cube, what fits in each, and how to pick a size when sources and providers disagree.
Read the guideFor the industry
Grow your portable storage business with NPSA
Members get event rates, the Community Forum, the directory listing and leads from this website.
Need storage?
Get quotes from NPSA member companies
Tell us what you need and where. A member company that serves your area will contact you.









