The current preferred manufacturer for Canadian Pacific's defect detector bungalows. Their new STC SmartScan NG² units are arriving in the field prebuilt in these bungalows. Enduron is a Canadian manufacturer based in Winnepeg.

Based in Louisville, KY, Fabricated Metals enclosures can often be seen on Amtrak in the Northeast.

The classic bungalow stemming from the days of CTC installations in the '50s, '60s, & beyond. Typically reused from first generation hotbox detector systems, and still found in active service today.

This style bungalow is common to Harmon Cyberscan 2000 installations on CSX lines.

Before Enduron, Canadian Pacific was partial to Heli-Fab bungalows, which can be seen all throughout Canada. Like Enduron, Heli-Fab was based in Winnepeg, but unfortunately was no longer in business as of 2022.

L&W is a manufacturer of railroad signal equipment based out of Springfield, Missouri.

PTMW represents the quintessential modern bungalow, as seen across virtually every Class I railroad in North America. These stainless steel structures have become a major fixture on the railroad scene over the past 15 years.

No stranger to the railroad scene, Safetran was manufacturing a variety of railroad signaling products (including bungalows) for many decades. Among their most recognizable trackside structures were Conrail's rust-colored Corten steel bungalows.

Wabco has been a fixture of the railroad industry for many decades. The early 1960s installations along the Seaboard Air Line have an almost art deco look to them, reaffirming their age.