The Factory That Never Believed Its Own Obituary

Aerocom has built pneumatic tube systems in Schwäbisch Gmünd, Germany, since 1956. Seventy years later, a technology supposedly made obsolete by the telephone is still moving physical goods. Its global market is projected to grow from $2.77 billion in 2025 to $4.71 billion by 2034.

When a technology gets declared dead, competitors stop investing and budgets move toward its replacement. But replacing the message is not the same as replacing the delivery.

A phone call cannot move a blood sample.

That gap leaves room for businesses willing to look past the headlines and ask what customers still need done.

Today, we examine how family-run Aerocom kept building for a market others assumed was disappearing, and what that persistence teaches about knowing when to stay.

Case Study: How Aerocom Turned a Bankrupt Tube Maker Into a World Leader

The idea behind a pneumatic tube system is simple: compressed air or a vacuum pushes a carrier through a pipe, moving it faster than someone could walk the same route.

The technology dates to the nineteenth century. In 1956, two firms near Stuttgart, Aeropost and Airfix, began building systems for German hospitals, banks, and government offices. An old invention still had work to do.

The bet nearly ended in 1980, when Aeropost went bankrupt.

Investor Hermann Grau bought the business, renamed it Grau Communications Technology, and brought Airfix into the operation. In 1981, he recruited export manager Wolfram Pfitzer to run what he called a “Fabrikle,” Swabian dialect for a little factory.

It had 101 employees, 2.5 million Deutsche Mark in revenue, and recurring losses. Pfitzer laid off 26 people, a decision he later described as a catastrophe for everyone involved, including himself.

Two years into the turnaround, an Austrian competitor, Aerotrans, also went bankrupt. Pfitzer bought its remaining assets for 170,000 Deutsche Mark.

The acquisition brought an important improvement: an air-cushion braking system that stopped carriers gently rather than mechanically. For customers transporting fragile samples, that was a practical advantage.

Pfitzer later called it the best business decision of his life.

After Grau died in 1986, the business passed to Swiss conglomerate Ascom. German reunification then opened opportunities in Leipzig and Berlin.

Pfitzer remained at the helm through the ownership changes. In 1996, he bought the business in a management buyout and renamed it Aerocom.

According to regional reporting, the company reached a revenue record that year and claimed the position of world market leader in pneumatic tube systems.

All of this happened while pneumatic tubes were losing their most visible public role.

Paris closed its pneumatic postal network in 1984. Telephones and fax machines had replaced much of the need to move written messages beneath the city.

But replacing a message was different from replacing a delivery.

Hospitals still needed to move specimens. Banks still needed to move cash. Industrial plants still needed to send physical items between workstations.

A blood sample cannot be emailed. A cash deposit cannot be texted.

The technology had lost one job. It had not lost every job.

By 2015, Aerocom employed 250 people and reported a €36.2 million revenue record. It was delivering thousands of systems annually to customers in more than 80 countries.

Those customers included King Chulalongkorn Memorial Hospital in Bangkok and Princess Nora bint Abdulrahman University in Saudi Arabia.

Pfitzer began handing operating responsibility to his sons, Ruediger and Roland, around 2011. In January 2017, he transferred 96% of the ownership to them, retaining 4% himself.

The succession arrangements limited future ownership to one successor per family branch. The family was planning how to keep the business manageable across generations, alongside keeping it profitable.

That choice gave a company once passed between investors and a conglomerate a different kind of continuity: family ownership backed by decades of operating experience.

The wider market still offers room to grow. A market forecast projects global pneumatic tube system sales rising from $2.77 billion in 2025 to $4.71 billion by 2034, with Aerocom among the established suppliers.

A forecast is no guarantee. But it challenges the idea that an old technology must serve a disappearing market.

Aerocom’s persistence worked because the customer’s need persisted too.

This was not simply a story of refusing to change. Pfitzer cut costs, acquired better technology, entered new markets, and eventually changed the ownership structure.

The company kept improving how it performed a job that digital communication could not replace.

That is the distinction worth carrying forward. Before abandoning an unfashionable category, ask what customers are actually paying it to do, and whether the supposed replacement does that job.

A technology’s reputation can fade long before its usefulness does.

Aerocom built its future in that gap.

From the Innovation Timeline to the Function Ledger

1. Audit by Function, Not by a Technology’s Birth Year

A system’s age tells you when it was built. It does not tell you whether it still earns its place.

Banks such as JPMorgan Chase continue to work with legacy systems because replacing critical infrastructure means managing reliability, compatibility, and migration risk.

Old is not the same as replaceable. Audit what the system does, what failure would cost, and whether an alternative can perform the job better.

2. Let Competitors Leave Before You Do

When suppliers declare a category finished, check whether customers have stopped ordering.

Fax machines remain a useful example. In Japan, manufacturers including Panasonic have continued serving customers whose established workflows still depend on them.

A smaller market can support a durable business if demand holds and the economics work. Competitor exits can create room for the supplier willing to stay.

The signal to watch is the customer’s purchase order, not the industry’s enthusiasm.

3. Build Around the Constraint Software Cannot Remove

Ready-mix concrete has a delivery clock. Its usable life depends on the mixture, weather, handling, and project requirements, so speed and proximity matter.

For a producer such as Cemex, plant locations and delivery logistics are central to serving customers reliably. Software can improve scheduling; it cannot make fresh concrete behave like a downloadable file.

Physical constraints help determine where a business can compete.

Build the operating model around those limits before promising expansion the delivery network cannot support.

4. Treat the Obituary as a Research Lead

When an industry abandons a format, ask what customers valued that its replacement does not provide.

After ending Japanese vinyl production in 1989, Sony announced its return in 2017 as demand recovered. The format’s appeal had survived the industry’s shift to newer technology.

An obituary is a reason to investigate, not a reason to invest blindly.

Look for continuing orders, viable margins, and expertise that competitors are letting disappear. An unfashionable market still has to earn its place in the business.

From strategy to legacy

The technology Paris buried in 1984 still moves blood samples through hospitals worldwide, because a declared-dead category is often just an uncontested one, quietly waiting for whichever family business never bothered to leave it behind.

There is a particular kind of patience required to keep building something the world has already eulogized. The instinct, once a category is declared finished, is to leave with everyone else, proving that abandonment spreads faster than evidence.

The firm still standing when the mourners leave inherits the room.

What has your organization buried that never stopped working?

- Legacy Beyond Profits