ACM or KBR or TTEK

Key Takeaways

• ACM exhibits the largest market capitalization at approximately $10.4 billion, reflecting its scale in infrastructure consulting, though it trades at a higher trailing P/E ratio of around 18 amid recent price declines.
• KBR offers the lowest valuation with a trailing P/E of about 9.6 and a market cap of $4.1 billion, supported by government contracts but pressured by revenue dips in recent quarters.
• TTEK demonstrates the strongest recent earnings momentum, with Q2 fiscal 2026 net revenue up 8% year-over-year excluding certain factors and raised full-year guidance, at a P/E of roughly 18 and $7.9 billion market cap.
• All three stocks operate in engineering and consulting, with YTD declines (ACM -15%, KBR -19%, TTEK -10%), underperforming the S&P 500's gains, amid broader sector volatility.
• KBR and ACM show robust backlogs from defense and infrastructure wins, while TTEK benefits from water and environmental demand.
• Relative performance highlights TTEK's margin expansion and backlog growth as key positives in recent market activity.

Introduction

This stock comparison evaluates ACM (AECOM), KBR (KBR, Inc.), and TTEK (Tetra Tech, Inc.), three leaders in engineering, consulting, and infrastructure services. These firms serve overlapping sectors like government contracts, environmental remediation, and sustainable projects, making them relevant for investors tracking industrials amid infrastructure spending and energy transitions. Traders focused on relative performance, valuation sensitivity, and momentum in a volatile market may find insights into sector rotation and risk-reward trade-offs here, particularly as recent earnings reveal contrasts in growth drivers and sentiment shifts.

AECOM Overview and Recent Performance

AECOM (ACM), a multinational infrastructure consulting firm, delivers advisory, planning, design, construction management, and environmental services across transportation, water, energy, and facilities markets. With about 51,000 employees, it operates in Americas, International, and Capital segments. In recent market activity, ACM's stock has faced downward pressure, declining around 15% YTD and 22% over the past year, trading near $80.50 with a market cap of $10.4 billion. Q1 fiscal 2026 results showed revenue of $3.83 billion beating estimates despite a 4.6% year-over-year drop, but EPS of $1.07 missed expectations amid margin contraction to 3.7%. Sentiment reflects broader construction sector challenges, offset by contracts like USACE environmental services and fusion energy consortium involvement, supporting a trailing P/E of approximately 18.

KBR Overview and Recent Performance

KBR, Inc. (KBR) specializes in science, technology, and engineering solutions for governments and commercial clients, segmented into Mission Technology Solutions (defense, intelligence, space) and Sustainable Technology Solutions (emissions reduction, energy transition). Employing around 36,000 people, it focuses on R&D, systems engineering, and proprietary process technologies. Recent weeks have seen KBR stock slide about 19% YTD and 40% over the past year to roughly $32.50, with a $4.1 billion market cap. Q1 fiscal 2026 revenue fell 4.7% to $1.92 billion, beating estimates, but EPS of $0.81 missed amid lower activity in Europe and mix shifts; adjusted EBITDA margin held at 13.1%. Positive catalysts include $449 million Army LOGCAP extension and AI-driven defense contracts worth $1.15 billion, bolstering a low trailing P/E near 9.6.

Tetra Tech Overview and Recent Performance

Tetra Tech, Inc. (TTEK) leads in high-end consulting and engineering for water, environment, and sustainable infrastructure, serving U.S. and international clients through Government Services Group and Commercial/International segments. With over 25,000 employees across 500 offices, it emphasizes resilient infrastructure. In recent market activity, TTEK stock dipped about 10% YTD and 13% yearly to around $30.30, holding a $7.9 billion market cap. Q2 fiscal 2026 delivered strong results with $1.22 billion revenue (net $1.05 billion, up 8% excluding USAID/DOS and disasters), EBITDA of $146 million (margin up 90 basis points), and backlog at $4.28 billion, prompting raised FY2026 guidance. Wins in wastewater frameworks and water contracts have driven sentiment, with a trailing P/E of about 18.

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Head-to-Head Comparison

ACM, KBR, and TTEK share engineering consulting models but diverge in focus: ACM's broad infrastructure scale contrasts KBR's defense-heavy government exposure (e.g., LOGCAP, AI contracts) and TTEK's water/environment niche. Growth drivers include TTEK's 8% net revenue rise and backlog expansion versus ACM and KBR's revenue softness. Recent momentum favors TTEK's beats and guidance lift, while all lag S&P 500 YTD. Risks: KBR's spin-off transition costs ($140-180 million); ACM's EPS misses; sector cyclicality. KBR appears cheapest (P/E ~9.6), ACM largest ($10.4B cap), with sentiment buoyed by backlogs but sensitive to federal spending and energy shifts.

Tickeron AI Verdict

Tickeron’s AI would currently lean toward TTEK, given its consistent trend strength, margin gains, backlog growth to $4.28 billion, and raised FY2026 outlook amid resilient demand in water and infrastructure. Relative to peers' revenue pressures and larger YTD declines, TTEK shows superior stability and catalysts, though KBR's valuation offers appeal if defense awards accelerate. Outcomes depend on execution and macro factors.

Disclaimer

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