The Tool Desk
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1. Test whether backlog is real and likely to convert
Backlog is a starting point, not a forecast of revenue or profit. Contractors can define it differently, so first identify what each company counts and compare like with like. Separate executed contracts from unsigned awards, letters of intent, options, claims, and other less-certain amounts. Then check expected start dates, schedules, customer concentration, cancellation rights, and whether the work is bonded.
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Sterling Infrastructure says its reported backlog represents expected future revenue from contract commitments, excludes unsigned awards until contracts are executed, and that contracts commonly include termination-for-convenience provisions. It reported $3.01 billion of backlog at December 31, 2025, compared with $1.69 billion at December 31, 2024, and separately reported approximately $300.7 million in unsigned awards. Those figures illustrate why backlog definitions and status matter; they are Sterling-specific disclosures, not directly comparable sector totals. See Sterling’s 2025 Form 10-K.
Look for evidence that awarded work is becoming completed work and collected cash. Compare backlog and new awards with revenue, project margins, receivables, contract assets, and operating cash flow over multiple periods. A larger backlog without corresponding conversion, sound margins, and collection merits closer scrutiny; timing differences may explain some divergence, but they do not establish that the backlog will ultimately be profitable.
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Questions to answer
- What is included in backlog, and what has not yet been signed?
- How much depends on a few customers, projects, or future funding decisions?
- Can the company show conversion into revenue and cash on its expected schedule?
- What termination, delay, or cancellation rights can affect the work?
2. Examine contract economics and project execution
Identify the mix of fixed-price or lump-sum, unit-price, and cost-reimbursable contracts. On fixed-price work, the contractor may bear more of the cost overrun risk; other structures allocate costs differently. Review disclosures about estimate revisions, loss provisions, change orders, disputed claims, and weakening margins on particular projects. A stated contract value alone says little about the profit left after labor, materials, equipment, subcontractors, and delays.
Orion Group Holdings’ 2025 Form 10-K identifies factors that can affect contract performance: completeness and accuracy of the original bid; increases in materials such as concrete and steel and in fuel prices; customer delays, work stoppages, weather and environmental restrictions; subcontractor performance; unforeseen site conditions; worker availability and skill; and equipment and materials availability. Use these as prompts when reading a contractor’s own project disclosures, not as proof that every company has the same exposure. Orion reported $852 million in revenue for 2025 and consolidated backlog of $640 million at December 31, 2025; both are Orion-specific figures from its 2025 Form 10-K.
Bid discipline also matters. Shimmick says it assesses project size, location, duration, available resources, ability to execute safely and profitably, competitiveness, and risk when deciding whether to bid. Its filing describes collaborative contracting for complex projects as a preconstruction phase followed by open-book pricing. These disclosures illustrate how project selection and delivery model can shape risk; they do not guarantee that a selected project will meet its target economics. Shimmick’s stated aim is to maintain a risk-balanced portfolio, but investors should judge that claim against subsequent execution and cash results. See its 2025 Form 10-K.
Look for warning signs in project disclosures
- Repeated estimate changes, newly recognized losses, or deteriorating margins.
- Large claims or change orders whose resolution or collection is uncertain.
- Cost increases or schedule slippage without clear contractual protection.
- Growth achieved by bidding work outside the company’s demonstrated capacity.
3. Assess liquidity, leverage, and working capital
Contractors may have to pay employees, suppliers, and subcontractors before customers pay them or before disputed amounts are resolved. Review cash and restricted cash, working capital, receivables, contract assets, retainage, payables, debt maturities, interest expense, credit availability, and covenant headroom. Compare operating cash flow with reported earnings across several years; persistent cash consumption or large unexplained swings can indicate that accounting profits are not translating into funds available to finance operations.
Working capital and capitalization can also affect bonding capacity, so liquidity pressure may constrain both ongoing execution and the ability to pursue additional work. Read the current credit agreement alongside the latest filing: covenant definitions, permitted debt, testing dates, and remedies matter more than a headline debt figure alone.
Tutor Perini’s 2024 Form 10-K describes restrictive debt covenants, the possibility of covenant amendments, and liquidity consequences if operating results differ from projections. This is an example of a company-specific risk disclosure, not a claim about all contractors. See Tutor Perini’s 2024 Form 10-K.
Cash-flow checks
- Compare operating cash flow with net income over several reporting periods.
- Track whether receivables, contract assets, and retainage are growing faster than revenue.
- Identify upcoming debt maturities and whether available liquidity can cover them.
- Read covenant tests and available borrowing capacity rather than assuming a credit line is unrestricted.
4. Check surety-bond capacity
Public works and other projects may require bid, performance, or payment bonds. A surety evaluates whether it is willing to support the contractor and may consider capitalization, working capital, contract size, past performance, management expertise, and market capacity. Review stated aggregate bonding capacity, outstanding bonded backlog, remaining capacity, collateral or letter-of-credit requirements, and indemnity obligations. If sufficient bonds are unavailable, a contractor may be unable to bid for or execute certain new projects.
Sterling’s filing gives company-specific examples for its Transportation Solutions business: bid bonds generally at 5% to 10% of a bid amount, performance and payment bonds up to 100% of construction costs, and maintenance bonds generally at 1% of contract amount for one to two years. These are not universal bond terms; requirements depend on the contract and issuer. Details are in Sterling’s 2025 Form 10-K.
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Identify the company’s end markets, customers, geographies, and funding sources. Determine whether awards rely on a small number of public agencies, infrastructure programs, private customers, or large individual projects. Award timing and project locations can make results uneven. Check whether work is authorized and funded, and read disclosures about delay, reduction, or cancellation.
Also examine dependence on suppliers and subcontractors, skilled labor availability, wage pressure, material and fuel prices, and any relevant tariff or trade constraints. Project-specific conditions—including weather, site conditions, environmental permits, safety requirements, and climate exposure—can affect cost and schedule. Tutor Perini’s 2024 filing identifies storms and unusual temperatures as possible causes of delay, termination, and increased costs, and describes physical and regulatory climate risks as potential sources of cost, delay, or reduced demand. The exposure depends on the company’s projects and locations, not on the label “infrastructure contractor” alone; see its 2024 Form 10-K.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.6. Understand joint ventures and partner obligations
Joint ventures can give a contractor access to expertise, labor, equipment, or bonding capacity and can share project resources and risk. They can also create exposure to a partner’s performance, financial condition, or contractual liabilities. Read the specific agreement for ownership share, sponsor duties, decision rights, guarantees, allocation of losses, and recourse if a partner fails to perform.
Shimmick’s 2025 filing describes project joint ventures as a way to share expertise, risk, and resources, and says partners are selected partly on construction and financial capabilities and prior working relationships. Those stated selection criteria do not remove the need to understand the actual agreement and obligations. See its 2025 Form 10-K.
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How to compare two contractors
Use the same reporting dates and definitions where possible. A side-by-side comparison is only useful if, for example, both backlog figures cover executed commitments rather than one including unsigned awards.
| Comparison area | What to compare |
|---|---|
| Backlog | Definition, signed status, concentration, cancellation rights, and conversion into revenue and cash. |
| Contract economics | Contract mix, estimating and cost controls, margin trend, claims, and protection against cost escalation. |
| Demand | Customer, end-market, and geographic concentration; funding and award timing. |
| Financial capacity | Liquidity, cash conversion, working-capital needs, debt, and covenant headroom. |
| Bonding | Aggregate surety capacity, bonded backlog, and remaining capacity. |
| Execution exposure | Labor, suppliers, subcontractors, safety, environmental, and weather risks. |
| Partners | Joint-venture obligations, guarantees, decision rights, and partner dependence. |
Filings are company disclosures, not independent confirmation of forecasts or claims. Backlog, margins, claims, bonding capacity, and project economics can change after a filing date. This framework assesses business risks; it does not determine whether a particular stock is attractively priced or appropriate for an individual investor.
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