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Compare · OEC vs WLK

OEC vs WLK

Side-by-side comparison of Orion S.A. (OEC) and Westlake Corporation (WLK): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both OEC and WLK operate in Major Chemicals (Industrials), so they compete in similar markets.
  • WLK is the larger of the two at $11.07B, about 27.3x OEC ($405.4M).
  • Over the past year, OEC is down 32.6% and WLK is up 23.7% - WLK leads by 56.3 points.
  • WLK has been more active in the news (6 items in the past 4 weeks vs 2 for OEC).
  • WLK has more recent analyst coverage (25 ratings vs 10 for OEC).
PerformanceOEC-32.63%WLK+23.71%
2025-06-02+0.00%2026-06-01
MetricOECWLK
Company
Orion S.A.
Westlake Corporation
Price
$7.17-6.15%
$86.39-0.46%
Market cap
$405.4M
$11.07B
1M return
-4.59%
-25.07%
1Y return
-32.63%
+23.71%
Industry
Major Chemicals
Major Chemicals
Exchange
NYSE
NYSE
IPO
2014
2004
News (4w)
2
6
Recent ratings
10
25
OEC

Orion S.A.

Orion Engineered Carbons S.A., together with its subsidiaries, produces and sells carbon black products in Germany, the United States, South Korea, Brazil, China, South Africa, the rest of Europe, and internationally. It operates in two segments, Specialty Carbon Black and Rubber Carbon Black. The company offers post-treated specialty carbon black grades for coatings and printing applications; high purity carbon black grades for the fiber industry; and various conductive carbon black grades for polymers, coatings, and battery electrodes. It also provides rubber carbon black products for applications in mechanical rubber goods under the PUREX brand, as well as in tires under the ECORAX brand name. The company was formerly known as Orion Engineered Carbons S.à r.l. and changed its name to Orion Engineered Carbons S.A. in July 2014. Orion Engineered Carbons S.A. was founded in 1862 and is headquartered in Senningerberg, Luxembourg.

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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