Ausonio
Ausonio Incorporated is a privately held design-build commercial general contractor founded in 1959, serving government, agricultural, healthcare, hospitality, and commercial clients across Monterey, San Benito, and Santa Cruz counties in California with LEED-accredited, engineer-led construction services.
- Company typePrivate
- Founded1959
- HeadquartersCastroville, United States
- Headcount11–50
- GTM typeB2B
- OfferingServices
What Ausonio does
Ausonio Incorporated is a privately held commercial general contractor founded in 1959 and headquartered in Castroville, California. The firm provides design-build, construction management, and general contracting services to public agencies and private commercial clients in Monterey, San Benito, and Santa Cruz counties, with completed project budgets ranging from approximately $220K to $60M. Its customer base spans government, agriculture, hospitality, healthcare, education, manufacturing, and retail, with notable projects including the LEED Platinum Monterey Conference Center for the City of Monterey ($60M, 2018), the LEED Platinum Chartwell School campus (2006), the LEED Gold Nordic Naturals distribution center (2011), and recent hospitality renovations for La Playa Hotel ($10.1M, 2023) and Carmel Beach Hotel ($7.3M, 2023).
The firm's core technology stack centers on an integrated design-build methodology supported by BIM (Building Information Modeling) software for 3D project rendering, enabling single-source accountability from concept through completion. Specialty capabilities include tilt-up concrete construction, LEED consulting, green building practices, and pre-construction consulting, with LEED-accredited professionals and licensed engineers on staff. The firm holds CA Contractor's License #682308 (Class A & B), Engineer's License #C048123, and AAA bond rating capacity, and claims association with roughly 30% of LEED projects in Monterey County.
Ausonio generates revenue through fixed-cost general contracting, construction management, and design-build contracts recognized upon project completion. Pricing is project-specific and not publicly disclosed; public works are secured via competitive bidding while private commercial work is pursued through direct proposals. The go-to-market is sales-led and relationship-driven, leveraging a deep portfolio, decades of regional brand equity, and industry recognition (including AIA, ACI, AEI, and AGC awards). The firm operates a single headquarters with no disclosed subsidiaries, acquisitions, or external funding, and is closely held with no institutional investors identified.
Ausonio firmographics
Firmographics- Name
- Ausonio
- Legal name
- Ausonio Incorporated
- Website
- https://ausonio.com
- Company type
- Private
- Founded year
- 1959
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Ausonio Incorporated is a privately held design-build commercial general contractor founded in 1959, serving government, agricultural, healthcare, hospitality, and commercial clients across Monterey, San Benito, and Santa Cruz counties in California with LEED-accredited, engineer-led construction services.
- Ownership category
- akta.pro rank
Ausonio industry classification
Industry- Product category
- Commercial Construction Services
- NAICS
- Commercial and Institutional Building Construction (236220), Industrial Building Construction (23621), Architectural, Engineering, and Related Services (5413)
- SIC
- Operative Builders (1531)
- akta.pro primary industry
- Sports & Recreation Facility Construction (Stadiums, Arenas, Community Centers) (IMAFACAI)
Keywords
Where Ausonio is headquartered
LocationHeadquarters
- HQ city
- Castroville
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Ausonio business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Supply Chain, Operations, Technology or R&D, Marketing or Sales
Revenue model
- General Contracting Services: Full-service general contractor providing commercial construction services from planning through completion. Projects are typically fixed-cost contracts with revenue recognized upon project completion.
- Construction Management: Construction management services where Ausonio acts as owner's representative to oversee projects, coordinate subcontractors, and protect client's interests from design through completion.
- Design-Build Services: Integrated design and construction services under single contract, handling architectural design, engineering, and building from concept to completion.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels4 records
Ausonio product offering
Product offeringCore offering
Ausonio is a commercial general contractor providing design-build, construction management, and general contracting services for commercial, governmental, agricultural, healthcare, and educational projects across California's Monterey, San Benito, and Santa Cruz counties. The company delivers projects from concept through completion, including pre-construction consulting, architectural design, LEED-certified green building, and specialty tilt-up concrete construction. Their portfolio includes new builds, renovations, and tenant improvements for warehouses, distribution centers, hotels, hospitals, schools, retail centers, and government facilities.
Product overview
Ausonio is a commercial construction company providing integrated building services across Monterey, San Benito, and Santa Cruz counties in California. The company operates a platform-plus-services model offering core construction services (Commercial Construction, Design Build Specialist, Construction Management, and General Contractor Services) combined with specialty capabilities (Tilt-Up Construction, LEED Consulting, Green Building Services, Pre-Construction Consulting, and Architectural Design). Their portfolio spans multiple building types including Agricultural facilities, Business Parks, Industrial buildings, Churches, Hotels/Hospitality venues, Restaurants, Retail spaces, Schools/Education, Warehouses/Storage including Cold Storage, Supermarkets, Student Housing, Medical/Healthcare facilities, and Public/Government buildings. Ausonio also provides supporting services like Commercial Remodeling, Office Build Outs, and Park & Recreation Construction. The company positions itself as a single-source design-build provider with LEED accreditation and green building expertise, serving clients from pre-construction planning through project completion since 1959.
Differentiator
Problem solved
Functional benefit
Products and services
- Commercial Construction Full-service commercial construction including new builds, renovations, and tenant improvements for commercial buildings, warehouses, retail centers, hotels, healthcare facilities, schools, and government properties.
- Design Build Specialist
Quantifiable outcome
- Reduced construction delays and cost overruns through integrated design-build approach
- +1 more outcomes
Companies that use Ausonio
Customer profileNamed customers10 records
Segments5 records
Ideal customer profiles5 records
Ausonio technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature3 records
Ausonio partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- Subcontractors and Specialty TradescoreAusonio works with specialty subcontractors for various trades including plumbing, electrical, HVAC, framing, painting, and other specialized construction services. They select and hire these partners to ensure expert handling of all project aspects.
Scale indicators5 records
Expansion highlights4 records
Ausonio competitors and assessment
Company assessmentDirect peers
- Swinerton: California-headquartered commercial general contractor offering design-build, construction management, and LEED expertise across the West Coast. Closely comparable to Ausonio in service mix (commercial, healthcare, education, hospitality) and California-centric operating model, but operating at significantly larger scale.
- Webcor Builders: California-based commercial general contractor providing preconstruction, construction management, and design-build services for commercial, institutional, and residential clients. Direct comparable to Ausonio in integrated delivery model and California-centric footprint, with broader geographic reach.
- Hathaway Dinwiddie: Bay Area-based commercial general contractor delivering construction management, design-build, and general contracting for commercial, civic, healthcare, and education clients. Comparable to Ausonio in integrated delivery and California regional focus, with deeper Bay Area concentration.
- Plant Construction: San Francisco-based commercial general contractor serving commercial, education, healthcare, and hospitality clients with design-build and construction management services. Comparable to Ausonio in service portfolio and integrated delivery model, focused on Northern California.
- Rudolph and Sletten: California-based commercial general contractor specializing in healthcare, education, and technology facilities with design-build delivery. Comparable to Ausonio's multi-vertical commercial portfolio and California-centric operations, with deeper healthcare and tech exposure.
Broad incumbents
- DPR Construction: National technical builder providing integrated design-build, construction management, and general contracting for healthcare, commercial, and higher-education clients. Comparable to Ausonio's design-build and LEED capabilities but operating at materially larger scale with a national footprint.
- McCarthy Building Companies: Large national commercial general contractor with strong healthcare, education, and commercial portfolios. Comparable to Ausonio's multi-vertical service mix and design-build approach, though operating nationally with significantly greater bonding capacity and headcount.
- Granite Construction: California-headquartered infrastructure and commercial construction firm with significant public works and building divisions. Comparable to Ausonio's public-works bidding exposure and tilt-up expertise, though materially larger and more diversified.
- Clark Construction Group: National commercial general contractor delivering large-scale commercial, government, and institutional projects. Comparable to Ausonio's public/government vertical and integrated delivery model, though operating at substantially larger scale and geographic breadth.
Regional players
- Lathrop Construction Associates: Northern California commercial general contractor specializing in design-build and tenant improvements for healthcare, education, and corporate clients. Comparable to Ausonio in service mix and integrated delivery, but focused on the Sacramento and Bay Area markets rather than the Central Coast.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks5 records
Key highlights6 records
Customer concentration
Ausonio social profiles
Digital presenceAusonio financial estimates
Financial estimateRevenue estimate
Valuation estimate
Ausonio leadership team
Management profileNumber of profiles
Ausonio funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Ausonio M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Ausonio
What does Ausonio do?
Ausonio is a commercial general contractor providing design-build, construction management, and general contracting services for commercial, governmental, agricultural, healthcare, and educational projects across California's Monterey, San Benito, and Santa Cruz counties. The company delivers projects from concept through completion, including pre-construction consulting, architectural design, LEED-certified green building, and specialty tilt-up concrete construction. Their portfolio includes new builds, renovations, and tenant improvements for warehouses, distribution centers, hotels, hospitals, schools, retail centers, and government facilities.
Is Ausonio a public or private company?
Ausonio is a private company. It is classified as family owned and is currently operating.
When was Ausonio founded?
Ausonio was founded in 1959. It employs 11 to 50 people.
Where is Ausonio based?
Ausonio is headquartered in Castroville, United States, in the North America region.
How does Ausonio make money?
Three revenue lines are on record. General Contracting Services are the primary driver. The others are construction Management and design-Build Services.
Who are Ausonio's main competitors?
Direct peers on record are Swinerton, Webcor Builders, Hathaway Dinwiddie, Plant Construction and Rudolph and Sletten. Broad incumbents are DPR Construction, McCarthy Building Companies, Granite Construction and Clark Construction Group. Lathrop Construction Associates is listed as a regional player.
Does Ausonio have an API?
No public API is recorded for Ausonio.
What industry is Ausonio in?
Ausonio's product category is Commercial Construction Services. Its primary akta.pro industry code is IMAFACAI, Sports & Recreation Facility Construction (Stadiums, Arenas, Community Centers). Its NAICS code is 236220 and its SIC code is 1531.