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Corporate lineage

Diamond Shamrock Corp. (E&P Operations)

Now part of BP Amoco Inc.

9
Recorded transactions
Acquired
Current status
2
Predecessors on record

Lineage

The chain on record.

Each arrow is a recorded acquisition or merger. Open any company to trace its own chain.

Predecessors · acquired by Diamond Shamrock Corp. (E&P Operations)

  1. AGM Corp.Diamond Shamrock, Inc.
  2. Shamrock Oil & Gas Corp.Diamond Shamrock Corp.

Diamond Shamrock Corp. (E&P Operations) · acquired by

  1. Diamond Shamrock Corp. (E&P Operations)Diamond Shamrock Exploration Co
  2. Diamond Shamrock, Inc.Ultramar Diamond Shamrock Corporation

Successor chain

  1. Diamond Shamrock Exploration Co.Maxus Exploration Company
  2. Ultramar Diamond Shamrock Corp.Valero Energy Corporation
  3. Maxus Exploration CompanyMidgard Energy Company
  4. Midgard Energy CompanyCrescendo Resources, L.P.
  5. Crescendo Resources, L.P.BP Amoco Inc.

Quick answers

About Diamond Shamrock Corp. (E&P Operations).

Who acquired Diamond Shamrock Corp. (E&P Operations)?
Diamond Shamrock Corp. (E&P Operations) was acquired into BP Amoco Inc., which is the current successor entity in the chain tracked by the OGLandman M&A directory.
Is Diamond Shamrock Corp. (E&P Operations) still an independent company?
No. Diamond Shamrock Corp. (E&P Operations) is no longer independent; it is now part of BP Amoco Inc.
What companies did Diamond Shamrock Corp. (E&P Operations) acquire?
Diamond Shamrock Corp. (E&P Operations) acquired AGM Corp., Shamrock Oil & Gas Corp. Full list available in the lineage chain below.

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