Quanta Services (NYSE: PWR) reported earnings on Aug. 1. Here are the numbers you need to know.

The 10-second takeaway
 For the quarter ended June 30 (Q2), Quanta Services missed estimates on revenues and missed estimates on earnings per share.

Compared to the prior-year quarter, revenue shrank slightly. GAAP earnings per share expanded.

Margins expanded across the board.

Revenue details
 Quanta Services reported revenue of $1.47 billion. The 17 analysts polled by S&P Capital IQ hoped for a top line of $1.51 billion on the same basis. GAAP reported sales were 2.8% lower than the prior-year quarter's $1.52 billion.

Source: S&P Capital IQ. Quarterly periods. Dollar amounts in millions. Non-GAAP figures are normalized by S&P Capital IQ and may vary to maintain comparability with normalized estimates.

EPS details
 EPS came in at $0.33. The 15 earnings estimates compiled by S&P Capital IQ averaged $0.35 per share. GAAP EPS of $0.33 for Q2 were 6.5% higher than the prior-year quarter's $0.31 per share.

Source: S&P Capital IQ. Quarterly periods. Non-GAAP figures are normalized by S&P Capital IQ and may vary to maintain comparability with normalized estimates.

Margin details
 For the quarter, gross margin was 16.4%, 90 basis points better than the prior-year quarter. Operating margin was 7.9%, 60 basis points better than the prior-year quarter. Net margin was 4.8%, 50 basis points better than the prior-year quarter. (Margins calculated in GAAP terms.)

Looking ahead
 Next quarter's average estimate for revenue is $1.62 billion. On the bottom line, the average EPS estimate is $0.40.

Next year's average estimate for revenue is $6.34 billion. The average EPS estimate is $1.48.

Investor sentiment
 The stock has a four-star rating (out of five) at Motley Fool CAPS, with 473 members out of 488 rating the stock outperform, and 15 members rating it underperform. Among 109 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 105 give Quanta Services a green thumbs-up, and four give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Quanta Services is buy, with an average price target of $33.91.

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