Alliant Engineering, Inc.
Alliant Engineering is an employee-owned civil engineering consultancy that delivers planning, design, and construction services to state DOTs, counties, municipalities, and private developers across the Midwest and Southeast United States.
- Company typePrivate
- Founded1995
- HeadquartersMinneapolis, United States
- Headcount101–250
- GTM typeB2B
- OfferingServices
What Alliant Engineering, Inc. does
Alliant Engineering, Inc. is a privately held, employee-owned civil engineering consulting firm founded in 1995 by CEO John Dillingham and headquartered in downtown Minneapolis. The firm delivers multidisciplinary professional services spanning 13 service lines — alternative delivery, civil engineering, construction services, environmental services, intelligent transportation systems, landscape architecture, land survey, maintenance of traffic, roadway design, structural engineering, traffic engineering, transportation planning, and water resources — to public agencies (state DOTs, counties, cities, transit authorities) and private developers nationwide. With an employee base of 101-250 and four offices across Minneapolis, Mankato, Jacksonville, and Tampa, Alliant positions itself as a qualified provider for both traditional and alternative-delivery (design-build, CMGC, progressive design-build, P3) procurements, with documented multi-million to $100M-plus project wins including the I-35E MnPASS, St. Croix River Bridge, and Jacksonville's McCoy Creek $105.4M redevelopment.
The firm became 100% employee-owned through an Employee Stock Ownership Program (ESOP) in 2019, a structural change that materially differentiates it from typical consolidator-owned peers and aligns workforce incentives with firm performance. Revenue is project-based, billed per engagement with scope, schedule, and budget constraints under multi-year contracts; the firm does not publish pricing and does not disclose revenue, customer counts, or backlog. Direct client engagement — relationship-driven enterprise field sales pursued through competitive qualifications-based selection — is the only distribution channel; marketing is limited to content (LinkedIn, Facebook, Instagram, blog) and industry-conference presence.
Operationally, Alliant serves two horizontal segments in parallel: Public Infrastructure (DOT, county, municipal, and transit agency work) and Private Development (commercial, residential, mixed-use, and industrial developers). The leadership bench includes a CEO, President, CFO, and eight Vice Presidents/Principals heading functional practices, with an unusually deep Associate and Principal bench across transportation, traffic, land development, survey, planning, and IT functions — consistent with a firm investing in pursuit and delivery capacity rather than founder-driven growth. No public-company financial disclosures, institutional investors, or M&A activity are evidenced in the inputs.
Alliant Engineering, Inc. firmographics
Firmographics- Name
- Alliant Engineering, Inc.
- Legal name
- Alliant Engineering, Inc.
- Website
- https://alliant-inc.com
- Company type
- Private
- Founded year
- 1995
- Operating status
- Operating
- Headcount range
- 101–250 employees
- Short description
- Alliant Engineering is an employee-owned civil engineering consultancy that delivers planning, design, and construction services to state DOTs, counties, municipalities, and private developers across the Midwest and Southeast United States.
- Ownership category
- akta.pro rank
Alliant Engineering, Inc. industry classification
Industry- Product category
- Civil Engineering Consulting
- NAICS
- Engineering Services (541330), Landscape Architectural Services (54132)
- SIC
- Services-Engineering Services (8711)
- akta.pro primary industry
- Civil & Structural Engineering Consulting (BPAHAIAA)
Keywords
Where Alliant Engineering, Inc. is headquartered
LocationHeadquarters
- HQ city
- Minneapolis
- HQ country
- United States
- HQ region
- North America
Offices4 records
Markets served
Alliant Engineering, Inc. business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Infrastructure, Marketing or Sales, Technology or R&D
Revenue model
- Engineering Consulting Services: Professional services revenue from multidisciplinary engineering consulting including civil engineering, transportation planning, landscape architecture, land survey, environmental services, construction services, and structural engineering for public and private sector clients.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Project-based professional services |
Go-to-market motion2 records
Distribution channels1 record
Marketing channels6 records
Alliant Engineering, Inc. product offering
Product offeringCore offering
Alliant Engineering is a professional civil engineering consulting firm that plans, designs, and delivers infrastructure and land development projects for public agencies and private developers. The firm offers 13 service lines covering alternative delivery, civil engineering, construction services, environmental services, intelligent transportation systems, landscape architecture, land survey, maintenance of traffic, roadway design, structural engineering, traffic engineering, transportation planning, and water resources. Projects are delivered through design-build, CMGC, and progressive design-build methods across the Midwest, Southeast, and Mountain West regions.
Product overview
Alliant Engineering is a professional engineering consulting firm that offers a comprehensive portfolio of 13 distinct service offerings spanning planning, design, and construction phases of infrastructure and development projects. The services are not modular software products but rather professional consulting service lines that can be combined on projects: Alternative Delivery, Civil Engineering, Construction Services, Environmental Services, Intelligent Transportation Systems, Landscape Architecture, Land Survey, Maintenance of Traffic (MOT), Roadway Design, Structural Engineering, Traffic Engineering, Transportation Planning, and Water Resources. The firm serves both public infrastructure clients (local agencies, state DOTs, transit agencies) and private development clients (commercial, retail, mixed-use, office, industrial, residential) across the Midwest and Southeast regions of the United States.
Differentiator
Problem solved
Functional benefit
Products and services
- Alternative Delivery Alternative delivery services including design-build, construction manager/general contractor (CMGC), progressive design-build, public private partnership, alternative technical concepts, risk identification/reduction, and alternative analysis.
- Civil Engineering Civil engineering services including due diligence, site analysis/feasibility/planning, design development/budgeting, entitlements, construction documents, storm water management design, grading, drainage, NPDES/SWPPP design and inspection, permitting and agency coordination, construction administration and oversight, and project closeout and certification.
- Construction Services Construction administration services including constructability reviews, contract development, contract administration, state and federal aid construction documentation, public and private utility coordination, and construction inspection.
- Environmental Services Environmental and wetland services including environmental planning and documentation, wetland delineation, wetland permits, wetland mitigation and monitoring, ecological restoration, natural resource surveys, invasive species surveys, construction SWPPP design, NPDES permit compliance inspection, spill prevention plans, construction site management plans, and tree inventories.
- Intelligent Transportation Systems ITS services including ITS planning, systems engineering, communications system design, system implementation and integration, system evaluation, and system architecture for modern transportation challenges.
- Landscape Architecture Landscape architecture services including master planning, site analysis and planning, visualization and public presentations, agency coordination and submittals, construction drawings, and construction administration.
- Land Survey Land survey services including boundary surveys (ALTA/NSPS land title surveys, certificate of survey), topographic surveys (design location/existing conditions survey, hydrographic survey, underground survey), record surveys (subdivision plat, RLS, CIC, right-of-way plat, memorial plat), and construction surveys (establish horizontal and vertical site control, staking, volume measurements).
- Maintenance of Traffic (MOT) Maintenance of traffic specialty services including construction staging, traffic control, traffic management plans (TMP), incident management plans (IMP), temporary pedestrian and multimodal facilities, temporary roadways and geometrics, temporary traffic modeling, detour route signal timing, temporary lighting and signal systems, public engagement, and work zone traffic control review and refinement.
- Roadway Design Roadway design services including preliminary design, final design, highway engineering, maintenance of traffic and construction staging, municipal engineering, local road design (city, county, and state aid), utilities, construction cost estimating, and public involvement.
- Structural Engineering Structural engineering services for bridges and supplementary structures including prestressed concrete bridge girder design, welded plate steel bridge girder design, single- and continuous-span concrete slabs, multiple-stage bridge construction, pedestrian bridges, bridge ratings, box culverts, noise walls, moment slabs, and sign supports.
- Traffic Engineering Traffic engineering and traffic design services including traffic, parking and specialty studies, bicycle and pedestrian facilities planning and design, traffic signal operations and signal timing, traffic modeling, intersection and roadway safety studies, intersection control evaluations, corridor studies, traffic final design, and project management.
- Transportation Planning Transportation planning services including decision process, alternatives evaluation, roadway, transit, bicycle, and pedestrian planning, public and stakeholder engagement and facilitation, long-range and policy planning, scenario planning and visioning, emerging mobility and connected/automated vehicles, equity, NEPA/environmental documents, and grants.
- Water Resources Water resources and stormwater services including hydrologic and hydraulic modeling, storm sewer design, culvert design, bridge hydraulics, stream restoration, detention design, water quality management best practices, and floodplain analysis and permitting.
Quantifiable outcome
- Delivered I-35E MnPASS $100 million design-build project
- +3 more outcomes
Companies that use Alliant Engineering, Inc.
Customer profileNamed customers5 records
Segments2 records
Ideal customer profiles2 records
Alliant Engineering, Inc. technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Alliant Engineering, Inc. partnerships and signals
Strategic signalPartnerships
Five partnerships are on record, tiered minor and major.
- GelcorpminorRendering provider for Daytona Beach Condominiums project. Provided architectural renderings for the 2000 N. Atlantic Luxury High-Rise Condominiums development in Daytona Beach, Florida.
- Double CminorRendering provider for Daytona Beach Condominiums project. Partnered with Alliant on visual design materials for the oceanfront residential development.
- HuntonBrady ArchitectsminorArchitecture firm partner for AdventHealth 100-bed hospital and medical office building project in Palm Coast, Florida. Alliant provided civil engineering services in coordination with the architect.
- Kiewit Infrastructure South ComajorPrime contractor for McCoy Creek $105.4 million redevelopment project in Jacksonville, Florida. Alliant provided full-service professional surveying supporting pre- and post-construction efforts for this major waterway restoration project.
- Rachel DevelopmentmajorDevelopment partner for Mississippi Landing residential community project in Cottage Grove, Minnesota. 135-acre riverfront development with 377 single-family homes, trails, and open space.
Scale indicators4 records
Recent moves11 records
Expansion highlights5 records
Alliant Engineering, Inc. competitors and assessment
Company assessmentDirect peers
- Kimley-Horn: Kimley-Horn is a privately held, employee-owned civil engineering consulting firm offering planning, design, and regulatory services across transportation, land development, and environmental practices. It is the most direct cultural and service-line analog to Alliant, with similar ESOP-style ownership, multidisciplinary service mix, and project-based GTM into public agencies and private developers.
- Bolton & Menk: Bolton & Menk is a Midwest-based employee-owned civil engineering firm headquartered in Mankato, MN, with offices across Minnesota, Iowa, the Dakotas, and beyond. It mirrors Alliant in geographic anchoring, employee-ownership structure, and a service mix spanning transportation, water resources, land development, and surveying for municipal and private clients.
- WSB (now WSB & Associates): WSB is a Minneapolis-based engineering and consulting firm offering transportation, municipal, environmental, and land development services across the Midwest. It competes head-to-head with Alliant for Minnesota DOT, municipal, and private developer work and shares a similar mid-market, multi-office profile.
- SEH (Short Elliott Hendrickson): SEH is an employee-owned engineering, architecture, and planning firm headquartered in St. Paul, MN, serving public and private clients across the Midwest and beyond. Its municipal infrastructure, transportation, water resources, and environmental practices overlap almost completely with Alliant's service portfolio, making it a direct competitor for DOT and local-agency work.
- Sambatek: Sambatek is a Minneapolis-area civil engineering and surveying firm providing transportation, land development, municipal, and environmental services. As a same-market Minneapolis peer with a comparable service mix and mid-market positioning, it competes directly for Alliant's core public and private clients.
- LHB: LHB is a Minneapolis-based engineering, architecture, and planning firm with practices in transportation, municipal infrastructure, water resources, and structural engineering. Its public-sector focus and service-line breadth overlap meaningfully with Alliant's, making it a same-market competitor for Minnesota and Upper Midwest procurements.
Broad incumbents
- HDR: HDR is a large, employee-owned engineering and architecture firm with deep transportation, water, environmental, and construction services practices. It pursues the same DOT, design-build, and CMGC procurements as Alliant but operates at materially greater scale and geographic breadth, including international work.
- Stantec: Stantec is a global engineering, architecture, and environmental consulting firm with substantial North American infrastructure practices. It overlaps with Alliant across transportation, water, environmental, and land development services and competes for many of the same public-sector clients, though at much larger scale.
- WSP: WSP is a global engineering and professional services consultancy with a sizable U.S. transportation, property, and environment practice. It competes with Alliant for major DOT and design-build pursuits and offers a far broader portfolio and geographic footprint as part of its worldwide operations.
- AECOM: AECOM is a global infrastructure consulting firm with major U.S. transportation, water, environmental, and construction services practices. It pursues the same large design-build and CMGC procurements as Alliant but competes at significantly greater scale and with broader multidisciplinary capabilities.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat4 records
Key risks5 records
Key highlights6 records
Customer concentration
Alliant Engineering, Inc. social profiles
Digital presenceAlliant Engineering, Inc. financial estimates
Financial estimateRevenue estimate
Valuation estimate
Alliant Engineering, Inc. leadership team
Management profileNumber of profiles
Profiles9 records
Alliant Engineering, Inc. funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Alliant Engineering, Inc. 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 Alliant Engineering, Inc.
What does Alliant Engineering, Inc. do?
Alliant Engineering is a professional civil engineering consulting firm that plans, designs, and delivers infrastructure and land development projects for public agencies and private developers. The firm offers 13 service lines covering alternative delivery, civil engineering, construction services, environmental services, intelligent transportation systems, landscape architecture, land survey, maintenance of traffic, roadway design, structural engineering, traffic engineering, transportation planning, and water resources. Projects are delivered through design-build, CMGC, and progressive design-build methods across the Midwest, Southeast, and Mountain West regions.
Is Alliant Engineering, Inc. a public or private company?
Alliant Engineering, Inc. is a private company. It is classified as management employee owned and is currently operating.
When was Alliant Engineering, Inc. founded?
Alliant Engineering, Inc. was founded in 1995. It employs 101 to 250 people.
Where is Alliant Engineering, Inc. based?
Alliant Engineering, Inc. is headquartered in Minneapolis, United States, in the North America region.
How does Alliant Engineering, Inc. make money?
One revenue line is on record: engineering Consulting Services.
Who are Alliant Engineering, Inc.'s main competitors?
Direct peers on record are Kimley-Horn, Bolton & Menk, WSB (now WSB & Associates), SEH (Short Elliott Hendrickson), Sambatek and LHB. Broad incumbents are HDR, Stantec, WSP and AECOM.
Does Alliant Engineering, Inc. have an API?
No public API is recorded for Alliant Engineering, Inc..
What industry is Alliant Engineering, Inc. in?
Alliant Engineering, Inc.'s product category is Civil Engineering Consulting. Its primary akta.pro industry code is BPAHAIAA, Civil & Structural Engineering Consulting. Its NAICS code is 541330 and its SIC code is 8711.