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Compare · APD vs WLK

APD vs WLK

Side-by-side comparison of Air Products and Chemicals Inc. (APD) and Westlake Corporation (WLK): market cap, price performance, sector, and recent activity on the wire.

Summary

  • APD operates in Basic Materials, while WLK operates in Industrials - the two are in different parts of the market.
  • APD is the larger of the two at $62.87B, about 5.8x WLK ($10.84B).
  • Over the past year, APD is up 0.9% and WLK is up 11.4% - WLK leads by 10.5 points.
  • WLK has been more active in the news (4 items in the past 4 weeks vs 3 for APD).
  • Both have 25 recent analyst ratings on file.
PerformanceAPD+0.86%WLK+11.41%
2025-06-09+0.00%2026-06-05
MetricAPDWLK
Company
Air Products and Chemicals Inc.
Westlake Corporation
Price
$282.38-0.19%
$84.57-0.91%
Market cap
$62.87B
$10.84B
1M return
-5.93%
-15.36%
1Y return
+0.86%
+11.41%
Industry
Major Chemicals
Major Chemicals
Exchange
NYSE
NYSE
IPO
2004
News (4w)
3
4
Recent ratings
25
25
APD

Air Products and Chemicals Inc.

Air Products and Chemicals, Inc. provides atmospheric gases, process and specialty gases, equipment, and services worldwide. The company produces atmospheric gases, including oxygen, nitrogen, argon, and rare gases; process gases, such as hydrogen, helium, carbon dioxide, carbon monoxide, syngas, and specialty gases; and equipment for the production or processing of gases comprising air separation units and non-cryogenic generators for customers in various industries, including refining, chemical, gasification, metals, manufacturing, food and beverage, electronics, magnetic resonance imaging, energy production and refining, and metals. It also designs and manufactures equipment for air separation, hydrocarbon recovery and purification, natural gas liquefaction, and liquid helium and liquid hydrogen transport and storage. Air Products and Chemicals, Inc. has a strategic collaboration with Baker Hughes Company to develop hydrogen compression systems. The company was founded in 1940 and is headquartered in Allentown, Pennsylvania.

WLK

Westlake Corporation

Westlake Chemical Corporation, together with its subsidiaries, manufactures and markets basic chemicals, vinyls, polymers, and building products worldwide. It operates through two segments, Vinyls and Olefins. The Vinyls segment provides specialty and commodity polyvinyl chloride (PVC), vinyl chloride monomers, ethylene dichloride, chlorine, caustic soda, chlorinated derivative, and ethylene products. This segment also manufactures and sells PVC compounds and building products fabricated from PVC, including residential siding, trim and molding, pipe and fittings for various water, sewer and industrial applications, profiles for windows and doors, decking products, films for various inflatables, wall covering tapes, roofing applications, and composite roof tiles. The Olefins segment offers polyethylene, styrene monomers, and various ethylene co-products, as well as sells propylene, crude butadiene, pyrolysis gasoline, and hydrogen products. Westlake Chemical Corporation offers its products to a range of customers, including chemical processors, plastics fabricators, small construction contractors, municipalities, and supply warehouses in various consumer and industrial markets, such as flexible and rigid packaging, automotive products, coatings, water treatment, refrigerants, and residential and commercial construction, as well as other durable and non-durable goods. The company was founded in 1986 and is headquartered in Houston, Texas. Westlake Chemical Corporation is a subsidiary of TTWF LP.

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