MasTec, Inc. MTZ is increasingly positioning itself as a one-stop infrastructure partner for hyperscale and enterprise customers, raising an important question for investors: Can its turnkey capabilities unlock an even larger share of the booming data center market? While MasTec is best known for its communications, power delivery and energy infrastructure operations, it has steadily expanded its role in data center development by offering integrated solutions that span site preparation, civil construction, power infrastructure, fiber connectivity and utility interconnections.