Primoris vs. Quanta: Which Infrastructure Stock Is the Better Buy Now?

Core Insights - North America is experiencing an infrastructure expansion driven by grid modernization, renewable energy growth, and data center expansion, attracting investor attention to key players like Primoris Services Corporation and Quanta Services, Inc. [1] Company Overview - Primoris has diversified into an infrastructure contractor with operations in utilities and energy sectors, including power delivery, renewables, and natural gas generation, while also expanding into communications and data center construction [2] - Quanta has developed a large-scale platform integrating engineering, procurement, and construction services across electric, gas, renewable, and communications infrastructure, focusing on transmission, grid resiliency, and technology projects [2] Primoris Performance - Primoris benefits from strong demand in renewable energy, utilities, and communications markets, with revenue growth in Q2 2025 supported by expanding power generation and clean energy projects [4] - The company is pursuing over $2.5 billion in natural gas generation projects and evaluating $20-$30 billion in solar opportunities through 2028, indicating significant long-term potential [5] - Primoris' total backlog reached approximately $11.5 billion at the end of Q2 2025, reflecting a sequential increase of about $100 million, driven by higher power delivery activity [7] Quanta Performance - Quanta is strengthening its leadership in utility infrastructure, benefiting from rising power needs linked to data centers, AI, and domestic manufacturing expansion [8] - The company reported a record backlog of $35.8 billion in Q2 2025, supported by $19.2 billion in remaining performance obligations, indicating increasing customer commitments [10] - Quanta's growth is anchored by large-scale transmission and renewable initiatives, with key projects expected to support stable growth over the coming years [10] Stock Performance & Valuation - Year-to-date, Primoris' share price performance has outpaced that of Quanta and the Zacks Building Products - Heavy Construction industry [13] - Primoris stock is trading at a discount compared to Quanta on a forward 12-month price-to-earnings (P/E) ratio basis [14] EPS Estimate Trends - The Zacks Consensus Estimate for Primoris' 2025 EPS indicates a 31.3% year-over-year growth, while Quanta's 2025 EPS implies a 17.8% year-over-year growth [17][18] Investment Verdict - Both Primoris and Quanta are well-positioned to benefit from ongoing infrastructure investment, with Primoris showing strong execution and a growing backlog, while Quanta stands out for its larger scale and diversified portfolio [19][20]