Who they are and where they play
Kilgore Companies operates a family of divisions across Utah, Colorado, Idaho, Nevada, and Wyoming, supplying materials and construction services to public and private work. Their own pages highlight ready‑mix concrete, asphalt production and paving, sand and gravel, site development, and general contracting as core offers (Products & Services).
Materials portfolio at a glance
Across plants, the catalog spans several product categories rather than a single‑product pure play. Think tens of aggregate types by size and gradation, dozens of asphalt mix designs that vary by RAP, binder grade, and temperature, and dozens of ready‑mix concrete designs tuned by strength class, air, SCM content, and admixtures. That breadth is a commercial strength, but it also means EPD work should be staged by volume and margin.
EPD status today
As of December 24, 2025, we could not locate any publc, product‑specific EPDs issued under the Kilgore Companies name or its divisional brands across the major US EPD registries commonly used by specifiers. Absence on public registries does not prove nonexistence inside customer portals, but it does affect searchability when design teams are comparing options during submittals.
Why this matters commercially
Many owners and GCs now prefer or require product‑specific EPDs for concrete and asphalt to document A1–A3 impacts. On LEED v5‑targeted projects, not having one forces the team to model a conservative default, which can create a penalty versus an otherwise comparable mix that carries a third‑party verified EPD. That increases the probability of a substitution rather than a straight award.
The likely best seller without an EPD
Ready‑mix concrete is a staple revenue driver in Kilgore’s markets. Meanwhile, direct competitors frequently encountered in Utah and Colorado publish plant‑specific ready‑mix EPDs in large numbers, including Staker Parson, Knife River, and Martin Marietta. For asphalt, Granite Construction’s mixes are widely covered via the asphalt program, which shows up in bidder diligence. These visible EPDs make it easier for specifiers to keep those products in the set when carbon targets are tight.
Work for Kilgore Companies or competing against them?
Follow us for a product-by-product competitive analysis to see which ready-mix and asphalt SKUs get VE'd out against Staker Parson or Granite Construction.
Where to start an EPD sprint
Prioritize a focused, high‑ROI wave rather than boiling the ocean.
- Concrete first: select 8 to 12 mixes that represent the majority of cubic yards sold per metro, including 3000, 4000, and 5000 psi families plus common air‑entrained variants. Publish by plant so the EPDs map cleanly to delivery tickets.
- Asphalt second: choose the top five tonnage designs per plant, covering baseline dense‑graded, a WMA counterpart, and the leading RAP content spec for DOT and municipal work. Ensure binder grade variants are explicitly named.
- Aggregates later: publish a single site‑specific aggregate EPD for each quarry where demand is strongest and link it in concrete and asphalt submittal packs.
Picking the rulebooks and outlets
For ready‑mix, the common path is the NSF PCR for Concrete with publication through NRMCA or ASTM’s program operator. For asphalt mixtures, the NAPA asphalt mixtures PCR is the default route for most US plants. Staying aligned with what competitors use keeps apples‑to‑apples comparability in bid rooms.
Data collection without the drag
The hard part is rarely modeling. It is pulling utility data, fuel, binder, cement and SCM purchase records, haul distances, and plant throughput by mix code, then aligning that with QA logs. A white‑glove workflow that handles the wrangling across divisions, plants, and accounting systems is what compresses timelines and reduces risk of rework when verifiers ask for clarifications.
Competitive context to watch
- Ready‑mix: Staker Parson, Knife River, Martin Marietta, Geneva Rock
- Asphalt: Granite Construction, Knife River, Staker Parson
- Aggregates feeding both: Vulcan Materials, Heidelberg Materials in select markets These are the names that often arrive at precon with EPDs already linked in their submittals. Matching that visibility matters in education, municipal, healthcare, and office work where carbon accounting is table stakes.
What good looks like in 90 days
A credible plan is a first wave of plant‑specific EPDs for concrete plus top asphalt mixes in your highest‑volume metros, bundled with a spec‑ready submittal kit and a change‑log for mix tweaks. Keep the pipeline rolling quarterly so sales can say yes when the next project asks for a very specific plant and mix code. That is how the portfolio starts winning on merit, not just price.
