Orion Group Holdings, Inc. (ORN) | The Buildout — AI Infrastructure
The Verdict
Orion Group Holdings is a specialty construction contractor that builds large-scale, mission-critical capital projects rather than owning or operating them. Its Marine segment handles engineering, construction, dredging and specialty services — terminals, cruise berths, Navy facilities, ports, bridges, jetties and coastal restoration. Its Concrete segment builds data centers, distribution centers and commercial structures. The AI build-out reaches the company through one channel: concrete foundations, site civil services, earthwork and underground utilities on hyperscale data center campuses. Orion works beneath the general contractors on those jobs as a critical-path, short-lead subcontractor. It does not supply chips, servers, racks, cooling or power equipment, and the Marine segment has no disclosed AI linkage.
| Market Cap | — |
| Revenue (TTM) | $896M |
| Revenue Growth | +7.0% |
| EBITDA Margin (TTM) | 4.3% |
| Net Debt | $146M |
| Earnings Beats | 7 of 7 |
| P/E (TTM) | — |
| EV/EBITDA (TTM) | — |
What We Like
- Data centers were about 50% of Concrete revenue in Q2 2026, up from 40% in Q1; Concrete revenue grew 73% year over year in Q1 to $106M from $61.5M and more than 30% in Q2.
- Orion has completed over 40 data centers for hyperscalers per the FY2025 10-K; management said over 50 on the Q1 2026 call.
- Backlog rose to $722M at the second-quarter close from $668M, on more than $275M of bookings — a 1.25x book-to-bill.
- Quoted awaiting award climbed to about $1.6B from roughly $1B at the start of the year, against a pursuit pipeline of about $27B.
- Management says 90% of its marine backlog and 80% of the business overall is under contract for the second half of 2026.
What We’re Watching
- Marine equipment utilization was below expectation in Q2; management expects it high in Q3 and Q4 but declines to quantify it, and it drives the entire second-half margin bridge.
- Concrete book-to-bill slipped to about 0.93x in Q2, the first sub-1x reading in 'quite a while.' Management calls it episodic; Q3 tests that.
- Net leverage moved from about 1.5x to 2.3x in one quarter, with cash of $2.5M at June 30, 2026 against $148.8M of total debt.
- A $1.5T FY2027 defense budget proposal passed the House with naval infrastructure priorities; Senate reconciliation is pending.
The order book strengthened in the same quarter the income statement weakened. Backlog, bookings, pipeline and quoted-awaiting-award all improved; Marine delays cut gross profit and produced a reset that lowered adjusted EBITDA guidance to $50–54M and adjusted EPS to $0.23–$0.30. The guide now implies roughly a doubling of the first-half adjusted EBITDA margin in the second half, and the company's own caveat is that awards slide. The falsifiable claim is management's 'timing, not demand' — the open question is whether the delayed Marine work delivers in the second half, or whether a second miss turns an explanation into a pattern.
Earnings Beat
Revenue was $221.9M in Q2 2026, up 8% year over year, with gross margin of 10.3%. EBITDA was $7.0M, a 3.2% margin, and the quarter posted a net loss of $4.1M against net income of $0.8M a year earlier. Concrete was the standout: revenue grew more than 30% and adjusted EBITDA 45%, with data centers at roughly 50% of segment revenue. Marine revenue and profitability fell on client-driven delays to project starts and mobilizations.
| Metric | Q2 FY2026 | Q1 FY2026 | Q2 FY2025 | YoY |
|---|---|---|---|---|
| Revenue | $222M | $216M | $205M | +8.1% |
| Gross margin | 10.3% | 12.0% | 12.6% | -230bps |
| EBITDA | $7M | $7M | $9M | −19.5% |
| EPS | $-0.10 | $0.12 | $0.02 | −601.1% |
| Book-to-bill | 1.25x | n/a | n/a | — |
| Backlog | $722M | $668M | n/a | — |
When marine productivity slows, we sometimes get a double whammy in the lost project profitability along with the correlated lower equipment utilization, and this definitely impacted this quarter's gross profit.— Alison Vasquez, 2026-07-29
Management tone: Tone shifted measurably between the two calls in the record. In Q1 management reaffirmed full-year guidance and described a solid start to the year, with Marine demand continuing to build; in Q2 it said the quarter's results were not in line with its own or investors' expectations and that it had reset the full-year guidance. On the Q2 call management was contrite about the miss, leaned on contracted visibility rather than new-award timing for the recovery, and declined to quantify Marine equipment utilization. It was candid on two points: the combined effect of lost project profitability and lower equipment utilization, and the acknowledgment that the Concrete segment's book-to-bill had fallen below 1x.
Management Guidance
Management reset full-year 2026 guidance on the Q2 call, holding revenue at $900–950M and capex at $25–35M while cutting adjusted EBITDA to $50–54M from $54–58M and adjusted EPS to $0.23–$0.30 from $0.36–$0.42. The reset was attributed to the timing of Marine project awards, startups and completions. At the reset, management framed adjusted EBITDA as 15% growth over 2025 actual results at the midpoint and adjusted EPS as 6% growth. The first half produced $16.6M of adjusted EBITDA, so the guide implies roughly $33–37M in the second half; management defends it on 90% of marine backlog and 80% of the overall business being under contract for the back half. Concrete is targeted at close to 6% adjusted EBITDA margin for the full year. No revised guidance bridge was provided with the reset.
Trajectory
Revenue has grown year over year, but the growth is all Concrete. Marine fell to $110.1M in Q1 2026 from $127.2M a year earlier and fell again in Q2 on client-driven start delays; Concrete went to $106.2M from $61.5M in Q1 and grew more than 30% in Q2. The mix shift has a cost: Concrete ran at 8.1% adjusted EBITDA margin in Q1 and 5.5–6% in Q2, while healthy Marine margins are 10.8%–13.4%. Consolidated EBITDA on the reported basis was $7.0M (3.2%) in each of the last two quarters, against $13.1M (5.8%) in Q3 2025, and the code-computed signals show gross, operating and EBITDA margins all compressing. That leaves a steep second-half profile: the guide implies roughly a doubling of the first-half adjusted EBITDA margin.
The Model
The model's locked projections put FY+1 revenue at $935M with EBITDA of $44M (4.7%), and FY+2 revenue at $1,030M with EBITDA of $57M (5.5%). The near year sits close to the company's own revenue guidance of $900–950M, so it assumes the guided second-half recovery arrives without assuming much beyond it; the implied FY+1 EBITDA margin of 4.7% sits below the margin the second-half guidance requires, reflecting the drag from the first half. FY+2 adds $95M of revenue and 80 basis points of EBITDA margin, which depends on data-center concrete work continuing to grow and on McAmis and the site civil expansion contributing a full year.
| Metric | FY2025 | Next FY (E) | Following FY (E) |
|---|---|---|---|
| Revenue | $852M | $935M | $1.0B |
| YoY Growth | — | +9.7% | +10.2% |
| EBITDA | $39M | $44M | $57M |
| EBITDA Margin | 4.6% | 4.7% | 5.5% |
Projections are the median of 5 independent model runs. The model’s revenue sits 2.8% above analyst consensus.
Management reset full-year 2026 guidance on the Q2 call, holding revenue at $900–950M and capex at $25–35M while cutting adjusted EBITDA to $50–54M from $54–58M and adjusted EPS to $0.23–$0.30 from $0.36–$0.42. The reset was attributed to the timing of Marine project awards, startups and completions. At the reset, management framed adjusted EBITDA as 15% growth over 2025 actual results at the midpoint and adjusted EPS as 6% growth. The first half produced $16.6M of adjusted EBITDA, so the guide implies roughly $33–37M in the second half; management defends it on 90% of marine backlog and 80% of the overall business being under contract for the back half. Concrete is targeted at close to 6% adjusted EBITDA margin for the full year. No revised guidance bridge was provided with the reset.
What Could Go Right — and Wrong
- Marine equipment utilization recovers in the second half of 2026 and the segment returns to a double-digit adjusted EBITDA margin, reversing the combined hit of lost project profitability and idled equipment.
- Concrete book-to-bill returns above 1x in Q3 2026, confirming the 0.93x reading was episodic rather than a peak in data-center ordering.
- Quoted-awaiting-award conversion proceeds on schedule, pushing backlog above the second-quarter close and building 2027 coverage.
- McAmis ramps inside its late-June-to-February work window, adding revenue and EBITDA at margins management says are accretive.
- The FY2027 defense budget clears Senate reconciliation with naval infrastructure, dry docks and port resilience intact — the largest single identifiable demand catalyst in the record.
- A second consecutive Marine slippage makes 'timing, not demand' look like a pattern, with net leverage already at 2.3x and cash down to $2.5M.
- Concrete book-to-bill stays below 1x for another quarter, removing the episodic defense and raising the question of whether the data-center order pace has peaked.
- Concrete margin fails to hold 5.5–6%, breaking the close-to-6% full-year target for the segment that produced essentially all of the company's first-quarter adjusted EBITDA.
- Upstream power or long-lead equipment constraints slow data-center pacing before it reaches Orion's order flow — inferred from the ecosystem neighbors, not from Orion's own disclosure.
- A hyperscaler cancellation or deferral at the Concrete segment, which management calls highly unlikely once a project is in full go mode but which no disclosed data can rule out.
Looking Ahead
The next 12 months turn on one question: whether delayed Marine projects convert into the productivity management promised. The guide requires roughly $33–37M of second-half adjusted EBITDA against $16.6M in the first half, backed by 90% of marine backlog and 80% of the overall business under contract. McAmis' work window runs late June through February and site civil is about 2.5 quarters into its expansion; both are expected to contribute in the second half. Beyond that, the FY2027 defense budget moves through Senate reconciliation, and quoted-awaiting-award conversion is the mechanism for refilling backlog coverage. The company's own caveat is that awards slide.
- Q3 2026Marine utilization recovery — Tests whether the 'timing, not demand' claim holds.
- Q3 2026Concrete book-to-bill — Tests whether the 0.93x reading was episodic.
- H2 2026FY26 margin step-up — Guide implies roughly a doubling of the H1 EBITDA margin.
- H2 2026McAmis seasonal ramp — Work window runs late June/early July to February.
- FY2027Defense budget reconciliation — $1.5T proposal passed the House; Senate pending.
- 2026Derrick barge deployment — Promised for 2026; status unconfirmed after Q2 silence.
Financials
Annual Summary
| Metric | FY2024 | FY2025 | TTM | YoY |
|---|---|---|---|---|
| Revenue | $796M | $852M | $896M | +7.0% |
| Gross Margin | 11.3% | 12.4% | 11.8% | +112bps |
| EBITDA | $34M | $39M | $38M | +14.6% |
| EBITDA Margin | 4.3% | 4.6% | 4.3% | +31bps |
| Net Income | −$2M | $2M | $4M | +256.2% |
| Free Cash Flow | −$2M | −$11M | −$18M | — |
| Net Cash | — | — | — | — |
Key Ratios (Trailing)
- P/E TTM—
- EV/EBITDA TTM—
- EV/Revenue TTM—
- Price/FCF TTM—
- Gross Margin (TTM)11.8%
- EBITDA Margin (TTM)4.3%
- Net Margin (TTM)0.4%
- ROIC1.8%
- FCF Conversion-48.0%
- SBC / Revenue0.7%
The Company
Orion Group Holdings is a Houston-based specialty construction company that builds large-scale, mission-critical capital projects rather than owning or operating them. Marine does engineering, construction, dredging and specialty services — transportation terminals, cruise berths, Navy facilities, ports, bridges, jetties, environmental and coastal restoration — for federal, state, local and private clients. Concrete builds data centers, industrial and distribution facilities, and commercial, multi-family and mixed-use structures, and it is the piece the AI build-out touches: concrete foundations, site civil services, earthwork and underground utilities on hyperscale campuses. Concrete was $106M of the $216M of total revenue in Q1 2026, making it roughly half the company.
The company runs more than 2,000 employees from Houston, with leased office and yard space in Alaska, Arizona, Hawaii, Louisiana, Florida, Texas and Washington. Revenue is mostly domestic — 2% was generated outside the U.S. in Q1 2026, primarily the Caribbean Basin, down from 6% a year earlier. Reporting was recast to three segments — Marine, Concrete and Corporate — beginning in Q1 2026, and the customer mix is rotating from public to private: private companies were 57% of Q1 2026 contract revenue versus 43% a year earlier, while federal fell to 14% from 22%. At March 31, 2026, no single customer exceeded 10% of total contract revenues.
Business Segments
Competitive Landscape
The relationship map places Orion against a mix of marine dredging and heavy-civil contractors and against much larger site-work peers in data centers. The source material labels all of those relationships as inferred from the wiring map with no documented quotes; none is verified in Orion's own filings, and none of the named neighbors mentions Orion by name. Orion's own framing is that it is a known commodity with hyperscaler clients, brought in earlier in the design and execution cycle, with over 40 data centers completed. The criticality assessment attached to this page finds that if Orion disappeared the AI data center build-out would not slow materially — multiple alternative concrete and site-civil contractors are readily available and switching could occur within weeks.
- Sterling Infrastructure (STRL)Named in the relationship map as the closest peer in data-center site work; Orion does not discuss it in its filings. The neighbor's own disclosure: revenue +90%, backlog $4.3B up 116%, and a warning on softer Q3 awards framed as timing, not demand.
- Southland (SLND)Named as Orion's closest Marine competitor; Orion does not discuss it in its filings. The neighbor's own disclosure: backlog $1.68B, down from $2.03B, revenue $113.3M versus $215.4M, and a $102.3M non-cash revenue reversal.
- Granite (GVA)Named in the relationship map for data-center site work and heavy civil; not discussed by Orion. The neighbor's own disclosure: record $7.4B capacity, data-center capacity of $223M versus $65M a year earlier, and FY2027 organic growth raised above 10%.
- MasTec (MTZ)Named in the relationship map for broad infrastructure; not discussed by Orion. The neighbor's own disclosure: record backlog of $21.4B, book-to-bill above 1.2x, with backlog growth mostly a 2027 benefit.
- Primoris (PRIM)Named in the relationship map for data-center enabling work; not discussed by Orion. The neighbor's own disclosure: data-center bookings above $400M in its first quarter versus $800–850M for all of 2025.
Supply Chain
Orion buys construction equipment, cement and ready-mix, steel and rebar, and diesel. The filings name no suppliers and disclose no sole-source relationships; the names below come from a relationship map with no documented quotes, and none of those companies mentions Orion by name.
More on ORN: Earnings recap