JHI Group Inc., dba 620 Construction
- Construction Companies, General Contractors/Dev
620 Construction is an ESOP company with 175 proud employee owners. 620 Construction is a true design/ build contractor. Our quality construction and value engineering capabilities have long created the added value that our customers have come to know and trust. When you choose to build with us you receive a personalized team approach to building that our competition cannot reach.
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