Producer
Marshall Excelsior Company
US LP-gas regulator and valve maker; QCC1-connector grill/RV regulators.
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Inputs supplied
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Goods downstream
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Facilities
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Stories
What they make
1 input Marshall Excelsior Company supplies
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Essential goods that depend on something Marshall Excelsior Company makes — pick one to see the full supply chain.
What else they do
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LP-Gas Equipment
Anhydrous Ammonia (NH3) Equipment
Industrial Gas Equipment
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Did you know2024
Marshall Excelsior makes the regulator on your propane grill — and the valves that let farmers fertilize a cornfield. Beyond LP-gas hardware, this Michigan company is a significant maker of valves, regulators and fittings for anhydrous ammonia (NH3), which is one of the most widely used nitrogen fertilizers in American agriculture: farmers inject pressurized liquid ammonia directly into the soil from tanks before planting. NH3 is also hazardous and security-sensitive (it's both a key fertilizer and a regulated chemical). So the same high-pressure-gas valve competency that seals a barbecue propane tank also underpins the equipment that delivers nitrogen to a huge share of the U.S. corn crop. It's an unexpected bridge from the backyard grill to the food supply: the company behind a grill regulator is also behind the hardware that helps grow the grain — and, like all nitrogen fertilizer, ties back to the ammonia economy that also gives carbonated drinks their fizz.
Marshall Excelsior Company ↗Concentration2024
The hardware that safely contains and meters pressurized propane and ammonia is supplied by a small, code-bound set of specialists — Marshall Excelsior, Cavagna, RegO (Engineered Controls), and Emerson's Fisher among them. Because these valves and regulators are safety-critical and must meet strict codes (NFPA, DOT, UL and agricultural standards), every product is qualified into rigid specifications, which entrenches the incumbents and makes substitution slow. The result is that two essential, hazardous-material systems — the propane that heats homes and cooks food, and the anhydrous ammonia that fertilizes crops — both depend on the same narrow group of valve makers. A disruption among them would ripple simultaneously into home heating, the LPG distribution network, and the spring fertilizer-application season, three things the public would never imagine share an upstream supplier.
Marshall Excelsior Company ↗