The company reported earnings of US$0.53 per share on revenue of US$731.4mln compared with US$1.22 on revenue of US$786.3 in the previous year’s first quarter.
The Florida-based company missed Wall Street estimates of US$0.70 EPS on revenue of $734.86mln.
Shares of Dycom were down nearly 14% to US$100 in early Tuesday trading.
Net income in the first quarter was US$17.2mln, less than half of the US$38.8mln reported a year earlier.
The specialty contracting services company provides the labor and tools to telecommunication companies like AT&T Inc (NYSE:T) and Verizon Communications Inc (NYSE:VZ) for construction, engineering and other projects. The company’s workforce installs the fiber-optic wiring necessary for phone and cable services.
The company lowered its yearly guidance for fiscal 2019, citing its quarterly results and the timing of activity on large customer programs. The outlook was revised to revenue between US$3.23bn and US$3.43bn compared with its previous guidance between US$3.30bn and US$3.50bn.