Welcome to Knappco
Based in Kansas City, MO, Knappco Corporation is a specialized
manufacturer of industrial access ports, manholes, hatches, coamings, collars,
weld rings and fill covers. In other words, virtually every key component
needed to keep a lid on hazardous bulk commodities while they're handled
or transported.
So, halfway around the world, a state of the art petrochemical
refinery shares one thing in common with a grain elevator in Iowa or cargo
tankers moving commodities over-the-road and on rails – they all depend on
Knappco Corporation products & accessories.
Whatever your base application, wherever your base of operation,
Knappco covers your needs with precision engineered and manufactured manholes,
fill covers, 
pressure
vacuum hatches, valves and more. Our ability to meet the requirements of
a wide range of industries and applications is only a part of the story.
Our commitment to exceeding customer's expectations for over 50 years is
the true measure of our success.
What's New at Knappco
