Engineering &
Construction Services, Inc.

GPSA Officers

2015-2016 GPSA Officers (left to right) : Treasurer Richard Barber, Caterpillar Inc.; 2nd Vice President Stan Dorak, Coastal Chemical; 1st Vice President Steve Tzap, ZAP Engineering; and President Sean Sullivan, Elkhorn Holdings.

Meet the Team. (720) 529-4430

Call or send us your scope and we’ll assemble the team of experts who will help you successfully execute your project.

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Excellence in Execution

Latest news and updates from around the company.

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20th Anniversary Celebration

ZAP Engineering & Construction Services, Inc. is 20 years old this month! To celebrate, we hosted an anniversary picnic for our employees and their families.