Caterpillar IncPeoria, Ill., has appointed Jim Bielenberg as global petroleum manager, to lead its power systems petroleum business worldwide. Other appointments to the group include Bob Tyson as regional manager for North and Latin America; Dave Blessin as regional manager for Europe, Africa, the Middle East, and the former Soviet territories; Tom Holland as regional manager for Asia and the Pacific Rim; and Dave Krenek as technical sales support supervisor.Caterpillar is a leading manufacturer of construction and mining equipment, diesel and natural gas engines, and industrial turbines.Collarini EngineeringHouston, has announced the appointment of Dennis Jordan as president. Jordan has ...

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