Martin Marietta Materials Financial Model
Materials Company Financials Example (Free Excel Download)
Martin Marietta Materials (MLM) is a leading natural resource-based building materials company in the United States, supplying aggregates, cement, ready-mixed concrete, asphalt, and magnesia-based chemicals.
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About this model
This model provides a comprehensive equity valuation and scenario planning tool for an analyst covering Martin Marietta Materials, focusing on the financial impact of its strategic portfolio realignment towards higher-margin aggregates and the divestiture of its lower-margin cement and ready-mix concrete assets.
- Business Description: Martin Marietta Materials (MLM) is a leading natural resource-based building materials company in the United States, supplying aggregates, cement, ready-mixed concrete, asphalt, and magnesia-based chemicals.
- Business Segments:
- Building Materials: Aggregates (~88% of gross profit), Cement, Ready Mixed Concrete, Asphalt and Paving.
- Magnesia Specialties: Magnesia-based chemicals and dolomitic lime (~12% of gross profit).
- Key Geographies: Operations span 28 states, Canada, and The Bahamas, with Texas, North Carolina, and Colorado accounting for a significant portion of revenues.
- Business Model Type: Asset-heavy, natural resource extraction and processing. The business relies on extensive mineral reserves and localized distribution networks due to the high weight-to-value ratio of aggregates.
- Competitive Position: MLM operates in a highly consolidated oligopoly alongside Vulcan Materials (VMC) and Summit Materials (SUM), benefiting from high barriers to entry (zoning laws, permitting, and heavy capital requirements).
- Recent Major Events: In 2024, MLM acquired Blue Water Industries' aggregates for $2.05 billion. In 2025, it acquired Premier Magnesia. Crucially, MLM announced a 2026 asset exchange with Quikrete, divesting its Midlothian cement plant and Texas ready-mix assets in exchange for 20 million tons of aggregates operations and cash.
The downloadable Martin Marietta Materials financial model includes SEC-sourced historical financials, forecast assumptions, core operating schedules, and valuation outputs in an Excel workbook built for review and scenario analysis.
A turnkey financial model
Live formulas, no hardcoded values
Outputs are driven by live formulas, so the workbook updates from its assumptions instead of relying on hardcoded results.
All assumptions in one tab
Inputs are clearly marked in the Assumptions tab and separated from calculations, making it clear what to change and what to leave intact.
Statements always balancing
For integrated-statement models, the balance sheet, cash flow, and supporting schedules tie through properly.
Distinct schedules for clarity
Debt, working capital, taxes, and cash flow can get messy quickly. We group calculations in clear schedules, not across disconnected tabs.
No hidden macros or external links
There are no unexplained external workbook links or macros to undermine auditability or portability.
Changes flow through the model
Update a key driver and see the impact carry through the forecast, financing, and return outputs. We never use hardcoded numbers in formulas.
Historicals & AssumptionsMartin Marietta Materials financial modelCompany, Historicals & Assumptions used
Source: SEC EDGAR · values in USD
| Line item | FY2021 | FY2022 | FY2023 | FY2024 | FY2025 |
|---|---|---|---|---|---|
| Revenue | $5.41B | $6.16B | $5.85B | $5.66B | $6.15B |
| Gross profit | $1.35B | $1.42B | $1.75B | $1.64B | $1.89B |
| Operating income | $973.8M | $1.21B | $1.33B | $2.48B | $1.44B |
| Net income | $702.8M | $866.7M | $1.17B | $2.00B | $1.14B |
Forecast assumptions
Defaults used in the downloadable model. Forecast horizon: FY2026–FY2030.
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How to build a detailed financial model for Martin Marietta Materials
A complete walkthrough of every driver, margin, working-capital input, and capital-allocation assumption used in the downloadable model.
Revenue Deep Dive
Aggregates
- Segment Name: Aggregates Product Line
- Revenue Driver Formula: Aggregates Shipments (Tons) x Average Selling Price (ASP per Ton)
- Historical Growth Rate: 6-11% CAGR (driven heavily by pricing power; 2025 ASP grew ~5.3% to $23.30/ton).
- Key Growth Levers: Infrastructure Investment and Jobs Act (IIJA) funding, state-level DOT budgets, and pricing momentum.
- Seasonality: Q1 is historically the weakest due to winter weather disrupting construction; Q2 and Q3 are the strongest.
Cement and Downstream (Ready Mix, Asphalt, Paving)
- Segment Name: Cement and Downstream Businesses
- Revenue Driver Formula: Volume (Tons for Cement/Asphalt, Cubic Yards for Ready Mix) x ASP
- Historical Growth Rate: Declining due to strategic divestitures (e.g., California paving in 2025, Texas cement/ready-mix in 2026).
- Key Headwinds: Active divestiture programme; revenues will step down materially in FY2026 following the Quikrete exchange.
Magnesia Specialties
- Segment Name: Magnesia Specialties
- Revenue Driver Formula: Chemical/Lime Volume x ASP
- Historical Growth Rate: 5-8% CAGR, boosted by the 2025 Premier Magnesia acquisition.
- Pricing Dynamics: Contractual and spot pricing tied to industrial demand (steel production, wastewater treatment).
Cost Structure
Variable Costs / COGS
- Line-by-line breakdown: Freight and delivery costs, direct labour, energy (diesel for mobile equipment, natural gas/coal for kilns), maintenance and repairs, and depletion of mineral reserves.
- Gross Margin Range: 26% - 31% consolidated (Aggregates gross margin is higher, reaching 34-36% in 2025).
- Key Input Costs: Diesel fuel is a major variable cost for aggregates extraction and transport.
- Operating Leverage: High. Once fixed costs (equipment, quarry setup) are covered, incremental volume drops heavily to the bottom line.
Operating Expenses
- SG&A: Typically 6-7% of revenue. Primarily corporate headcount, IT, and administrative expenses.
- Depreciation, Depletion & Amortisation (DD&A): High (~8-10% of revenue) due to the capital-intensive nature of quarrying and the depletion of mineral reserves.
- Restructuring / One-time charges: Frequent in recent years due to portfolio optimization (e.g., gains on divestitures, integration costs for acquisitions).
Margin Profile
- Gross Margin: Expanding from ~27% to 31% in 2025 due to aggressive aggregates pricing.
- EBITDA Margin: ~35-37% (Consolidated Adjusted EBITDA was $2.30B on $6.15B revenue in 2025).
- Margin Trend: Expanding, driven by the "value-over-volume" pricing strategy and the divestiture of lower-margin downstream businesses.
Balance Sheet Structure
- Total Assets: ~$15-17 billion.
- Key Asset Categories: Property, Plant & Equipment (PP&E) and Mineral Reserves form the vast majority of the asset base.
- Goodwill & Intangibles: Significant due to serial acquisitions (e.g., BWI Southeast, Premier Magnesia).
- Working Capital Profile:
- DSO: ~40-45 days.
- DIO: ~35-45 days (aggregates inventory is stored outdoors at quarries).
- DPO: ~30-40 days.
- Net Working Capital: Generally positive but tightly managed.
- PP&E: Includes land, mineral reserves, quarrying equipment, crushers, and distribution yards.
Capital Expenditure & Investment
- Capex as % of Revenue: ~12-14% (2025 Capex was $807 million on $6.15 billion revenue).
- Maintenance vs. Growth: Approximately 60% maintenance (stripping costs, equipment replacement) and 40% growth (new quarries, automation).
- M&A Pattern: Highly acquisitive. MLM executes both bolt-on aggregates deals and transformational portfolio shifts.
Debt & Capital Structure
- Total Debt: ~$5.8 billion (as of late 2024/2025).
- Debt/EBITDA Ratio: 2.3x at the end of 2025. Management targets a leverage ratio of 2.0x to 2.5x.
- Key Debt Instruments: Senior notes and a revolving credit facility.
- Share Repurchase Programme: Active. Returned $647 million to shareholders in 2025 via dividends and buybacks.
- Dividend Policy: Consistent dividend grower (10+ consecutive years of increases), yielding ~0.6% - 1.0%.
Cash Flow Characteristics
- Operating Cash Flow Conversion: Very strong. OCF was $1.79 billion in 2025 (vs. Net Earnings from continuing operations of $990 million), driven by high non-cash DD&A.
- Free Cash Flow Margin: ~15-16% (OCF of $1.79B less Capex of $807M on $6.15B revenue).
- Major Non-Cash Items: Depreciation, depletion, and amortisation; deferred income taxes; gains on divestitures (which must be backed out of OCF).
Sheet Structure
- Assumptions: Hardcoded drivers for macro (IIJA funding), segment volumes, pricing, and cost inflation.
- Revenue Build:
- Aggregates (Tons x ASP)
- Cement (Tons x ASP) - *Note: zero out post-Q1 2026 for Quikrete exchange*
- Ready Mixed Concrete (Cubic Yards x ASP) - *Note: zero out post-Q1 2026*
- Asphalt and Paving
- Magnesia Specialties
- Income Statement: Consolidated view mirroring the 10-K, with gross profit broken out by segment.
- Balance Sheet: Standard format, highlighting Mineral Reserves and PP&E.
- Cash Flow Statement: Indirect method, explicitly breaking out Depletion separate from standard Depreciation.
- Debt Schedule: Tranche-by-tranche bond maturity schedule and revolver tracking.
- PP&E & Reserves Schedule: Capex, depreciation, and mineral reserve depletion roll-forward.
- DCF Valuation: Unlevered free cash flow build, WACC calculation, and terminal value.
Key Financial Relationships
- `Aggregates Revenue = Aggregates Shipments (Tons) * Aggregates ASP ($/Ton)`
- `Aggregates Gross Profit = Aggregates Revenue - Aggregates COGS`
- `Magnesia Specialties Revenue = Chemical/Lime Volume * ASP`
- `Consolidated Revenue = Aggregates Revenue + Cement Revenue + Ready Mix Revenue + Asphalt/Paving Revenue + Magnesia Specialties Revenue`
- `Depletion Expense = (Aggregates Tons Mined / Total Proven & Probable Reserves) * Capitalised Reserve Value`
- `EBITDA = Operating Income + Depreciation + Depletion + Amortisation`
- `Free Cash Flow = Operating Cash Flow - Capital Expenditures`
- `Net Debt = Total Short-Term Debt + Total Long-Term Debt - Cash & Cash Equivalents`
- `Leverage Ratio = Net Debt / Consolidated Adjusted EBITDA`
- `Interest Expense = Average Debt Balance * Weighted Average Interest Rate`
Cross-Sheet Dependencies
- Revenue Build feeds the top line of the Income Statement.
- PP&E & Reserves Schedule calculates DD&A, which feeds the Income Statement (COGS/Opex) and the Cash Flow Statement (non-cash add-back).
- Cash Flow Statement generates the ending cash balance and debt paydown capacity, feeding the Balance Sheet and Debt Schedule.
- Debt Schedule calculates interest expense, which flows back to the Income Statement (circularity risk here; use an interest switch).
Sign Convention
- Revenues and Assets: Positive.
- Expenses and Liabilities: Positive in their respective schedules, but subtracted in totals (e.g., Revenue - COGS = Gross Profit).
- Cash Flow: Cash inflows are positive; cash outflows (Capex, dividends, debt repayment) are negative.
Things Most Likely to Go Wrong
- Quikrete Asset Exchange: Failing to remove the Midlothian cement plant and Texas ready-mix revenues/costs from the model starting in Q2 2026 will drastically overstate downstream revenues.
- Aggregates Volume Addition: The Quikrete deal adds ~20 million tons of aggregates capacity. This must be added to the Aggregates volume build in 2026.
- Depletion vs. Depreciation: Mineral reserve depletion is tied to production volume, not a straight-line useful life.
- Divestiture Gains: MLM frequently reports massive one-time gains (e.g., $1.3B in 2024). These must be excluded from Adjusted EBITDA and operating cash flow proxies.
- Seasonality: Q1 is always the weakest quarter due to winter weather. Annualizing Q1 results will severely understate full-year performance.
- Freight Revenues: MLM reports freight revenues and freight costs. These are often pass-throughs but inflate the top line.
- Discontinued Operations: Ensure historical financials are adjusted for discontinued operations to maintain comparability.
- Pricing vs. Volume: Aggregates growth is currently driven almost entirely by pricing (ASP), not volume. Extrapolating historical volume growth will overstate future demand.
Validation Checks
- Gross Margin: Should remain in the 30-33% range; flag if it drops below 28% or exceeds 35%.
- Aggregates ASP Growth: Should be positive (historically 5-8%); aggregates pricing rarely declines, even in recessions.
- Net Debt / EBITDA: Must stay between 2.0x and 2.5x per management targets.
- Capex / Revenue: Should hover around 12-14%.
- Balance Sheet: Total Assets must exactly equal Total Liabilities + Shareholders' Equity.
- Cash Flow Conversion: OCF should consistently exceed Net Income due to heavy DD&A.
Key Assumptions (Default Values)
| Assumption | Default Value | Unit | Rationale |
|---|---|---|---|
| Aggregates Volume Growth (Base) | 2.0 | % | Modest organic growth supported by infrastructure spending. |
| Aggregates ASP Growth | 5.5 | % | Continued "value-over-volume" pricing momentum. |
| Quikrete Acquired Volume (2026) | 20.0 | M Tons | Added capacity from the Quikrete asset exchange. |
| Cement / Ready Mix Revenue (Post-Q1 2026) | 0.0 | $M | Assets divested in the Quikrete exchange. |
| Aggregates Gross Margin | 34.5 | % | Based on record 2025 profitability levels. |
| Consolidated SG&A Margin | 6.5 | % | Historical average run-rate. |
| Capex as % of Revenue | 13.0 | % | Consistent with 2025 actuals ($807M on $6.15B). |
| Effective Tax Rate | 22.0 | % | Standard corporate rate plus state taxes. |
| Target Net Debt / EBITDA | 2.25 | x | Midpoint of management's 2.0x - 2.5x target range. |
| Dividend Payout Ratio | 25.0 | % | Based on historical dividend growth and cash return policy. |
| WACC | 8.5 | % | Standard discount rate for large-cap building materials. |
| Terminal Growth Rate | 2.5 | % | Aligned with long-term GDP and inflation expectations. |
Data Sources & Benchmarks
- Filings: SEC EDGAR (Form 10-K, 10-Q, 8-K) and Martin Marietta Investor Relations website.
- Peers for Benchmarking: Vulcan Materials (VMC), Summit Materials (SUM), Eagle Materials (EXP).
- Industry Data: U.S. Geological Survey (USGS) for aggregates production data; Dodge Construction Network for construction starts; Federal Highway Administration (FHWA) for highway funding obligations.
Sources
Do more with the Martin Marietta Materials model
Frequently asked
What does Martin Marietta Materials (MLM) do?+
Martin Marietta Materials is a leading U.S. natural resource-based building materials company. It primarily supplies aggregates, cement, ready-mixed concrete, asphalt, and magnesia-based chemicals, operating across 28 states, Canada, and The Bahamas.
What are the main revenue drivers for Martin Marietta Materials?+
Martin Marietta's revenue is primarily driven by its Building Materials segment, with aggregates accounting for approximately 88% of its gross profit. The company's asset-heavy business model relies on extensive mineral reserves and localized distribution networks to serve construction and infrastructure projects.
What is the typical capital expenditure profile for Martin Marietta Materials?+
Martin Marietta Materials has a significant capital expenditure profile, with Capex historically ranging around 12-14% of revenue. Approximately 60% of this capital expenditure is for maintenance, covering stripping costs and equipment replacement, while 40% is allocated to growth initiatives like new quarries and automation.
What are the key working capital characteristics of Martin Marietta Materials?+
Martin Marietta Materials generally maintains positive but tightly managed net working capital. Its working capital profile includes a Days Sales Outstanding (DSO) of 40-45 days, Days Inventory Outstanding (DIO) of 35-45 days due to outdoor storage of aggregates, and Days Payables Outstanding (DPO) of 30-40 days.
What are the primary assets considered in a financial model for Martin Marietta Materials?+
The vast majority of Martin Marietta Materials' asset base, totaling $15-17 billion, consists of Property, Plant & Equipment (PP&E) and Mineral Reserves. Goodwill and intangibles are also significant due to the company's highly acquisitive M&A strategy.
Can I download a financial model for Martin Marietta Materials (MLM)?+
Yes, a comprehensive equity valuation and scenario planning Excel model for Martin Marietta Materials (MLM) is available for download. This model forecasts financials through FY2030 and focuses on the financial impact of the company's strategic portfolio realignment.
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