Conex box, shipping container, storage container: the words get used interchangeably, but each has a backstory. Here is the field guide for Michigan buyers, with specific notes for Metro Detroit, Mid-Michigan and West Michigan and the surrounding communities, including Dearborn, Warren, Sterling Heights, Livonia, Troy.
The word conex (sometimes spelled CONEX) is short for "container express," a term coined by the United States military in the 1950s for a standardized steel shipping container used to move equipment and supplies during the Korean War. The original CONEX boxes were 8.5 feet by 6 feet by 6.8 feet, much smaller than today's intermodal units, but the principle was identical: a stackable, lockable, weatherproof steel box that could move by truck, rail, or ship without unpacking.
By the late 1960s the commercial shipping industry had standardized on 20-foot and 40-foot intermodal containers, the units you see on every cargo ship and rail line today. The military term stuck in everyday speech. In Michigan, contractors, farmers, and homeowners still call any large steel storage box a conex, even when the unit is technically an ISO shipping container or a purpose-built storage container.
For practical buying purposes the three terms describe the same thing across Michigan: a corrugated steel container, 20 or 40 feet long, with cargo doors on one end, designed to keep wind and water out for decades.
The vocabulary lines up like this:
If you are shopping for storage, the difference rarely matters. The same physical unit can be sold as any of the three. What matters more is the size, the condition grade, and the delivery logistics.
Michigan customers typically choose from three sizes:
Specialty sizes (10-foot, 45-foot, refrigerated, double-door, side-opening) exist but are less common. We can source them on request.
Demand in Michigan is anchored by Automotive and the supplier base. The assembly plants and stamping, tool and die, and tier one supplier shops across Wayne, Oakland, Macomb, Genesee and Ingham counties are the single largest source of container demand in the state, and the yards that serve them order 40ft high cubes for racked parts storage more often than anywhere else in Michigan., Battery and electric vehicle manufacturing. New cell and component plants in the Lansing area, at Marshall in Calhoun County, and at Holland on the lakeshore have pulled construction fleets and supplier yards into three separate parts of the state, and construction sites are the most container-hungry phase of any plant build., Agriculture, which is more varied here than in almost any other state. Sugar beets and dry beans across the Thumb and the Saginaw Valley, tart cherries on the Old Mission and Leelanau peninsulas, apples along the Fruit Ridge north of Grand Rapids, blueberries in Van Buren and Allegan counties, asparagus in Oceana County, celery and onions on the muck ground, and dairy through the middle of the state. Every one of those runs on seasonal storage that has to lock and stay dry., Office furniture manufacturing in West Michigan. The cluster around Grand Rapids, Zeeland and Holland ships a large share of the contract furniture sold in North America, and the plants, showroom builders and freight brokers around them run on overflow storage., Food and beverage processing. The cereal plants at Battle Creek, baby food at Fremont, pharmaceutical and medical device operations at Kalamazoo and Portage, and a dense craft brewing and distilling scene centered on Grand Rapids and Kalamazoo all keep packaging, ingredients and seasonal inventory in containers., Timber and forest products. Pulp and paper mills in the Upper Peninsula, hardwood and pine logging across the northern Lower Peninsula, and the chip and sawmill operations that feed them keep containers at landings, gates and equipment yards well away from any paved road., Mining and quarrying. Iron country around Ishpeming and Negaunee, a nickel and copper operation north of Marquette, and the enormous limestone quarries on the Lake Huron shore at Rogers City and the north Lake Michigan shore keep parts, tooling and consumables stored close to the pit., Great Lakes shipping and recreational boating. The Soo Locks, the Port of Detroit, the Port of Monroe and the freighter trade sit alongside one of the largest registered recreational boat fleets in the country, and marinas, boatyards and winter storage operators from Lake St. Clair to Grand Traverse Bay use containers for gear, shrink wrap, engines and hardware., Tourism, cottages and short term rentals up north. Ski hills, snowmobile clubs, marinas, campgrounds and the cottage economy from Ludington and Traverse City across to Alpena buy containers for seasonal gear that has to survive a winter unattended., Higher education. Ann Arbor, East Lansing, Kalamazoo, Mount Pleasant, Big Rapids, Marquette and Houghton all swing hard twice a year on move-in and move-out, and the property managers, storage operators and contractors who serve those campuses plan around those two weeks., Construction, remodeling and the trades. Framers, roofers, electricians, excavators and remodelers are the most common container buyer in every region of the state, and a lockable box on a job site through a Michigan winter is the reason most of them call in the first place., alongside residential construction and the storage cycle that winter snow load and the freeze and thaw cycle that follows it drives.
The uses we see most often:
Three questions narrow the decision quickly:
Conex boxes are delivered on a tilt-bed (sometimes called a roll-off) truck. The driver tilts the bed up, and the container slides off onto your placement site. Most deliveries follow the same physical sequence:
Delivery timing is honest, not aspirational. Across Michigan:
Permit rules depend on the municipality. Rural counties often have no requirement at all for a temporary storage container. Urban codes are stricter, and some HOAs prohibit container placement entirely. Before ordering, check with your local building or planning department, and verify HOA rules if they apply. Our local guide walks through the most common scenarios: container permits in Michigan.
Pricing is ZIP-specific, because distance from the serving depot drives a meaningful part of the total. Michigan delivered pricing: starting at $2,067 for a 20ft Wind and Water Tight container delivered in Detroit. Price always includes delivery. That figure is an anchor for the best-served part of the state, not a quote for every address, and it was captured live on 2026-08-06.
We do not publish statewide price tables on this page, because they are inaccurate the moment they are written. Tell us your ZIP and what you need, and we will send back an all-in number with delivery included. No haul fee surprises, no padded line items. If you would rather spread the cost, ask about rent-to-own when you call.
Tell us your Michigan ZIP and what you need. We will send back an all-in price including delivery to your address.