WESCO (WCC) Q2 2026: Backlog Surges 60% as Data Center Momentum Drives Record Visibility
WESCO’s record-breaking quarter was propelled by a 60% jump in backlog, underpinned by data center and infrastructure demand, and broad-based growth across all business units. Margin expansion, robust cross-selling, and a major grid services win further cemented WESCO’s position as a leading infrastructure solutions provider. Management’s raised outlook signals confidence in sustained double-digit growth and durable secular tailwinds into 2027.
Summary
- Backlog Expansion Signals Multi-Year Demand: Record backlog growth across all segments enhances revenue visibility.
- Margin Gains Driven by Mix and Execution: All three business units delivered material EBITDA margin improvements.
- Strategic Acquisitions Broaden Data Center Reach: Recent deals strengthen global capabilities and cross-sell potential.
Business Overview
WESCO International (WCC) is a global distributor and solutions provider serving electrical, communications, utility, and data center infrastructure markets. The company operates through three major segments: Communication & Security Solutions (CSS, network and data center products), Electrical & Electronic Solutions (EES, electrical, OEM, and industrial supplies), and Utility & Broadband Solutions (UBS, grid, utility, and broadband offerings). WESCO generates revenue through product sales, project solutions, and value-added services, with cross-segment initiatives like OneWESCO driving integrated customer engagement.
Performance Analysis
WESCO delivered a record Q2, with sales up 13% and broad-based growth across all business units. The standout was a 60% surge in total backlog, driven by multi-year customer commitments in data center and grid services, providing the company with unprecedented forward revenue visibility. Data center sales rose 45% to $1.5 billion, now representing just over 20% of total sales, while non-data center revenue still grew a healthy mid-single digit, highlighting the strength of WESCO’s diversified portfolio.
Margin expansion was a defining feature: Adjusted EBITDA margin climbed 60 basis points to 7.3%, with all segments posting sequential and year-over-year improvements. CSS achieved a milestone 10.2% EBITDA margin, EES returned above 9%, and UBS regained double-digit margin territory. Gross margin gains were attributed to favorable sales mix, enhanced services content, and the impact of new leadership in CSS and EES. SG&A as a percent of sales was stable despite higher incentive compensation linked to outperformance.
- Data Center Outperformance: Data center momentum drove CSS and EES, but growth was broad-based with non-data center sales up mid-single digits.
- Backlog as a Visibility Lever: All segments posted record backlog—CSS up 95%, EES up 30%, UBS up 80%—supporting multi-quarter revenue confidence.
- Grid Services Win: UBS secured a multi-year hyperscale data center contract, diversifying its customer base and providing margin-accretive growth.
Free cash flow was positive despite working capital investment to support growth, and leverage improved to 3.0x net debt/EBITDA. The company also repurchased $50 million in shares, maintaining disciplined capital allocation amid robust operating performance.
Executive Commentary
"We achieved record sales, record backlog, record adjusted EBITDA, and record adjusted earnings per share, all of which exceeded our plan. Free cash flow generation was also positive and exceeded our expectations. Our backlog was up a whopping 60% in the second quarter. This was driven by strong double-digit growth across all three business units and reflects the continued effectiveness of our OneWESCO cross-selling strategy."
John Engel, Chairman, President, and CEO
"Margin expansion continued, driven by gross margin improvement and strong operating leverage on higher sales growth. As a result of our exceptional first half results and accelerating business momentum, we are raising our full year outlook for sales, adjusted EBITDA and adjusted EPS."
Neil Dev, Executive Vice President and CFO
Strategic Positioning
1. Data Center as a Growth Engine
The company’s differentiated “power-to-compute” model positions WESCO as a full-lifecycle partner for data center customers—from grid connection to rack deployment and ongoing services. Data center sales now comprise over 20% of total revenue, with rapid expansion in both North America and Southeast Asia, amplified by recent acquisitions like Newark Engineering, which brings critical cooling and thermal management capabilities.
2. Backlog and Visibility as Competitive Moats
Record backlog across all three segments provides multi-quarter revenue visibility and underpins management’s confidence in raising guidance. The multi-year grid services award with a hyperscale customer marks an inflection in UBS, expanding its reach beyond traditional utilities and into high-growth digital infrastructure.
3. Margin Expansion via Execution and Leadership
New leadership in CSS and EES has driven a step change in margin performance, with targeted initiatives to increase services content, cross-sell, and optimize mix. The company’s ability to improve gross margins in data center projects—historically margin-dilutive—demonstrates operational discipline and strategic execution.
4. Capital Allocation and Balance Sheet Strength
WESCO remains disciplined in capital allocation, balancing growth investments, M&A, and shareholder returns. The company improved its debt maturity profile, reduced leverage, and executed share buybacks, while continuing to invest in working capital to support double-digit growth.
5. Global Expansion and Portfolio Diversification
Acquisitions like Newark Engineering and Rahi have expanded WESCO’s global footprint and solution set, enabling the company to serve global hyperscale and enterprise data center customers across 55 countries. The OneWESCO model amplifies cross-selling and deepens customer relationships worldwide.
Key Considerations
WESCO’s Q2 performance reflects a business firing on all cylinders, with secular tailwinds and strategic execution converging to drive record results. The company’s ability to deliver margin expansion, grow backlog, and diversify its portfolio positions it well for durable outperformance.
Key Considerations:
- Secular Infrastructure Tailwinds: AI-driven data center demand, grid modernization, and industrial reshoring are fueling multi-year growth across end markets.
- Backlog as a Revenue Anchor: Record backlog provides rare forward visibility, de-risking near-term revenue and supporting higher guidance.
- Margin Leverage from Mix and Services: Expansion in higher-margin services, improved mix, and new leadership are driving sustainable margin gains.
- Working Capital Discipline: Management is focused on improving cash conversion via digital and AI-driven inventory and receivables initiatives, critical as sales scale.
- Acquisition Integration: Recent deals are broadening solution capabilities and global reach, but successful integration and cross-sell execution remain key.
Risks
Key risks include potential supply chain bottlenecks, labor constraints in construction and technical resources, and working capital drag as growth accelerates. Competitive intensity in public power remains a margin headwind for UBS, while successful integration of acquisitions and execution on cross-selling are essential to sustain momentum. Macro uncertainty and shifts in infrastructure or data center investment cycles could impact backlog conversion and growth visibility.
Forward Outlook
For Q3 2026, WESCO guided to:
- Low double-digit year-over-year sales growth, with July sales per workday up mid-teens percent.
- Adjusted EBITDA margin expected to be slightly lower sequentially, reflecting anticipated business mix.
For full-year 2026, management raised guidance:
- Organic sales growth of 9% to 11% (up from 5% to 8%).
- Reported sales growth of 10% to 12%, targeting ~$26 billion at midpoint.
- Adjusted EBITDA margin of 6.9% to 7.1%, a $100 million raise at midpoint.
- Adjusted diluted EPS range of $16 to $17.50, a $0.75 increase at midpoint.
- Free cash flow of $300 million to $600 million, with ongoing working capital initiatives.
Management cited record backlog, broad-based demand, and secular tailwinds as reasons for confidence in the raised outlook, while acknowledging the need for continued working capital investment and focus on cash conversion.
- Backlog-driven visibility supports strong second half sales growth.
- Ongoing initiatives to improve DSO, inventory, and operational leverage.
Takeaways
WESCO’s Q2 results showcase a business capturing secular growth with operational discipline and strategic agility.
- Record Backlog and Margin Expansion: The company’s ability to grow backlog 60% and expand margins across all business units signals durable demand and execution strength.
- Strategic Acquisitions and Global Reach: Recent M&A moves, notably Newark Engineering, have enhanced WESCO’s end-to-end data center capabilities and global customer access.
- Outlook Hinges on Backlog Conversion and Cash Discipline: Investors should watch for continued backlog conversion, margin sustainability, and progress on working capital efficiency as topline scales.
Conclusion
WESCO enters the second half of 2026 with record backlog, expanded margin profile, and a raised outlook, underpinned by secular infrastructure and data center demand. The company’s diversified portfolio, cross-segment execution, and disciplined capital allocation position it for sustained outperformance, though working capital management and competitive dynamics warrant ongoing scrutiny.
Industry Read-Through
WESCO’s results reinforce the accelerating capital cycle in data center and grid infrastructure, with secular AI and electrification trends driving multi-year investment. Distributors and solutions providers with integrated service models and global reach are poised to capture disproportionate share, while those relying on legacy product sales may face margin compression and slower growth. Labor and power constraints are emerging as industry-wide bottlenecks, potentially shifting project timing and favoring firms with technical capabilities and supply chain agility. Competitors and adjacent sectors should expect continued consolidation and cross-sell dynamics as customers seek end-to-end partners for complex infrastructure projects.