LHB
LHB is an employee-owned architecture, engineering, and planning firm founded in 1966, serving government agencies, municipalities, and enterprises across Minnesota and Wisconsin through 14 markets and 13 service disciplines on project-based engagements ranging from $10K to $100M.
- Company typePrivate
- Founded1966
- HeadquartersDuluth, United States
- Headcount251–500
- GTM typeB2B
- OfferingServices
What LHB does
LHB, Inc. is a privately held, employee-owned architecture, engineering, and planning firm founded in 1966 in Duluth, Minnesota. The firm operates across 14 market sectors — including bridges and structures, climate solutions and renewable energy, commercial, education, government, housing, mining and heavy manufacturing, oil and gas, pulp and paper, roads and highways, and power and utility infrastructure — and offers 13 service disciplines ranging from architecture, civil, structural, mechanical, and electrical engineering to landscape architecture, planning, surveying, interior design, historic preservation, and climate action research. Notable technical capabilities include displacement ventilation system design, finite element structural analysis, 3D design and visualization, and 3D scanning technology.
The firm serves a primarily public-sector and institutional client base across Minnesota, Wisconsin, and the broader Midwest, including the Minnesota Department of Transportation, U.S. Army Corps of Engineers, City of Duluth, Metro Transit, multiple K-12 school districts, and enterprise clients such as Essentia Health, SAPPI Fine Paper, and Allete/Minnesota Power. LHB generates revenue on a project-based professional services fee model, with project scopes ranging from approximately $10,000 to $100 million, secured through direct client engagement, RFP responses, and competitive bidding. The firm also operates LHB Technical Staffing LLC, a wholly owned subsidiary that provides contract staffing services.
LHB maintains offices in Duluth (headquarters), Minneapolis, Cambridge (Minnesota), and Superior (Wisconsin), with a headcount in the 251-500 range. The firm is led by CEO Jason A. Mangan and has been recognized with the 2021 AIA Minnesota Firm Award for outstanding contributions to architecture, with a portfolio spanning over 18,000 housing dwelling units, 70+ housing design awards, and four decades of bridge and structural specialty.
LHB firmographics
Firmographics- Name
- LHB
- Legal name
- LHB, Inc.
- Website
- https://lhbcorp.com
- Company type
- Private
- Founded year
- 1966
- Operating status
- Operating
- Headcount range
- 251–500 employees
- Short description
- LHB is an employee-owned architecture, engineering, and planning firm founded in 1966, serving government agencies, municipalities, and enterprises across Minnesota and Wisconsin through 14 markets and 13 service disciplines on project-based engagements ranging from $10K to $100M.
- Ownership category
- akta.pro rank
LHB industry classification
Industry- Product category
- Architecture, Engineering, and Planning Services
- NAICS
- Architectural, Engineering, and Related Services (5413), Engineering Services (541330), Engineering Services (54133), Interior Design Services (541410)
- SIC
- Services-Engineering Services (8711), Services-Engineering, Accounting, Research, Management (8700)
- akta.pro primary industry
- Building Information Modeling (BIM) & Digital Design Services (BPAHAKAK)
- akta.pro secondary industry
- Engineering design services (line design, substation design, civil/structural) (EUADAKAG)
Keywords
Where LHB is headquartered
LocationHeadquarters
- HQ city
- Duluth
- HQ country
- United States
- HQ region
- North America
Offices4 records
Markets served
LHB business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- Professional Design Services: Fee-for-service architecture, engineering, and planning services billed on project basis. Projects range from small-scale design work to large infrastructure projects with multimillion-dollar scopes.
- Contract Staffing: LHB Technical Staffing LLC provides contract staffing services, placing specialized technical talent with clients requiring embedded workforce support.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Project-based professional services engagement |
Go-to-market motion2 records
Distribution channels3 records
Marketing channels7 records
LHB product offering
Product offeringCore offering
LHB is a multidisciplinary architecture, engineering, and planning firm providing integrated design services across 13 service disciplines and 15 market sectors including government, education, housing, transportation, energy, and industrial clients. Core services span architectural design, civil/structural/mechanical/electrical engineering, planning, landscape architecture, surveying, climate action planning, historic preservation, and contract staffing through subsidiary LHB Technical Staffing LLC.
Product overview
LHB is an architecture, engineering, and planning firm offering professional services across 14 market sectors and 13 distinct service disciplines. The company provides an integrated, multidisciplinary approach combining Architecture, Civil Engineering, Climate Action Planning & Research, Contract Staffing (via LHB Technical Staffing LLC), Electrical Engineering, Environmental Engineering, Historic Preservation, Interior Design, Landscape Architecture, Mechanical Engineering, Planning & Urban Design, Structural Engineering, and Survey services. These services are applied across markets including Bridges & Structures, Climate Solutions & Renewable Energy, Commercial, Community & Cultural Centers, Education, Government, Housing, Land Development & Planning, Mining & Heavy Manufacturing, Oil & Gas, Parks Trails & Recreation, Power & Utility Infrastructure, Pulp & Paper, and Roads & Highways. The firm operates as a full-service design partner serving clients throughout Minnesota and Wisconsin.
Differentiator
Problem solved
Functional benefit
Brands
- LHB Technical Staffing LLC: A contract staffing subsidiary that supports clients with unique staffing needs by leveraging deep connections and knowledge to find the right talent for every job.
Products and services
- Architecture Services Human-centered architectural design across multiple market sectors, including sustainable and net-positive building design. Architecture is provided as part of LHB's integrated multidisciplinary service offerings to government, education, housing, commercial, and institutional clients.
- Civil Engineering Civil engineering services including transportation infrastructure, utility design, site design, and stormwater management, provided as part of LHB's integrated multidisciplinary service offerings.
- Structural Engineering Structural engineering services for buildings, bridges, industrial facilities, and specialty structures using concrete, steel, timber, and masonry, including finite element analysis capabilities.
- Mechanical Engineering Mechanical engineering services including HVAC design, industrial process piping, fire protection engineering, and indoor air quality solutions such as displacement ventilation systems using 100-percent fresh air.
- Electrical Engineering Electrical engineering services including power distribution, emergency power systems, lighting design, and renewable energy systems.
- Environmental Engineering Environmental engineering services for regulated industries including pipeline integrity management, regulatory compliance, and remediation design.
- Landscape Architecture Landscape architecture services creating vibrant outdoor spaces with community-focused and ecologically responsive design.
- Interior Design Human-centered interior design services focusing on occupant wellness, sustainability, and space functionality.
- Planning & Urban Design Urban planning and design services including community visioning, campus planning, and corridor studies.
- Climate Action Planning & Research Climate solutions including greenhouse gas inventories, climate planning, sustainability policies, and emerging technologies research for the built environment.
- Historic Preservation Historic preservation services including conditions assessments, historic structures reports, and design documents for buildings and bridges.
- Survey Services Land surveying services including boundary surveys, topographic surveys, construction staking, 3D scanning, and GIS mapping.
- Contract Staffing (LHB Technical Staffing LLC) Specialized contract staffing services leveraging industry connections to find talent for specialized industries, providing embedded workforce support alongside client teams.
Quantifiable outcome
- Over 18,000 dwelling units in housing portfolio
- +2 more outcomes
Companies that use LHB
Customer profileNamed customers12 records
Segments14 records
Ideal customer profiles5 records
LHB technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
LHB partnerships and signals
Strategic signalPartnerships
Six partnerships are on record, tiered core, supporting and minor.
- KLJcoreKLJ serves as a design partner to LHB on the Rice Lake Road Corridor project, providing traffic engineering, environmental documentation, roundabout design, and public engagement services. This is a significant infrastructure project where LHB serves as prime consultant.
- Braun IntertecsupportingProvides soil borings and pavement recommendations as part of the LHB-led project team on the Rice Lake Road Corridor project. Specialized geotechnical and materials testing services.
- SlipstreamcoreContracted by Minnesota Department of Commerce's CARD program alongside CEE and LHB to lead a field demonstration of Variable Refrigerant Flow (VRF) systems in Minnesota to evaluate energy and comfort benefits, especially in cold climates.
- CEE (Center for Energy and Environment)corePartnered with Slipstream and LHB under Minnesota Department of Commerce CARD program contract to evaluate VRF systems in Minnesota cold climate conditions.
- Saint Paul Port AuthorityminorLHB was hired to study feasibility of a net zero energy office/warehouse and build a prototype for the Saint Paul Port Authority, demonstrating leadership in sustainable commercial development.
- Minnesota Department of Commerce (CARD Program)coreCARD program contracted Slipstream, CEE, and LHB to lead VRF systems field demonstration evaluating energy and comfort benefits in Minnesota's cold climate.
Scale indicators6 records
Recent moves6 records
Expansion highlights6 records
LHB competitors and assessment
Company assessmentBroad incumbents
- Stantec: Global A&E firm with deep transportation, water, buildings, and energy practices. Competes with LHB on MnDOT, municipal, and infrastructure work across the Midwest, though at vastly larger scale and broader geographic reach.
- HDR: Employee-owned A&E firm (similar ownership model) with strong transportation, healthcare, and water practices. Directly competes with LHB on bridge, highway, and government work in Minnesota and the broader Midwest.
- Kimley-Horn: National planning, engineering, and design consulting firm with strong transportation, land development, and environmental practices. Competes with LHB on roadway, land development, and municipal planning work.
- AECOM: Global infrastructure consulting firm with a major transportation, water, and environment practice. Competes for large federal, state, and municipal programs in the Midwest where LHB also bids.
Direct peers
- WSB: Minnesota-headquartered engineering and planning firm offering transportation, municipal, environmental, and construction services. Closest geographic and service-line peer to LHB, with overlapping public-sector clients in MN/WI.
- Bolton & Menk: Midwest-based A&E consultancy with comparable municipal, transportation, water, and planning practices. Direct competitor for MnDOT, city, and county RFPs in Minnesota and Iowa.
- Short Elliott Hendrickson (SEH): Employee-owned Midwest A&E firm serving government, transportation, water, and education markets. Highly comparable client mix and regional footprint to LHB.
- HGA (Hammel, Green and Abrahamson): Minnesota-based architecture and engineering firm with strong healthcare, education, and cultural-mandate practices. Directly comparable to LHB's architecture-led market sectors and Midwest client base.
- TKDA: Minnesota-based multi-discipline firm offering architecture, engineering, and planning services. Closely comparable in scale, service mix, and Midwest public-sector focus to LHB.
Regional players
- BWBR: St. Paul-based architecture firm focused on healthcare, education, and civic projects. Comparable to LHB's architecture services and shares the Minnesota institutional-client market.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks5 records
Key highlights7 records
Customer concentration
LHB social profiles
Digital presenceLHB financial estimates
Financial estimateRevenue estimate
Valuation estimate
LHB leadership team
Management profileNumber of profiles
Profiles13 records
LHB subsidiaries and ownership
Company hierarchySubsidiaries1 record
LHB funding detail
Funding detailFunding overview
Funding rounds17 records
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
LHB M&A and investment
M&A and investmentM&A1 record
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about LHB
What does LHB do?
LHB is a multidisciplinary architecture, engineering, and planning firm providing integrated design services across 13 service disciplines and 15 market sectors including government, education, housing, transportation, energy, and industrial clients. Core services span architectural design, civil/structural/mechanical/electrical engineering, planning, landscape architecture, surveying, climate action planning, historic preservation, and contract staffing through subsidiary LHB Technical Staffing LLC.
Is LHB a public or private company?
LHB is a private company. It is classified as management employee owned and is currently operating.
When was LHB founded?
LHB was founded in 1966. It employs 251 to 500 people.
Where is LHB based?
LHB is headquartered in Duluth, United States, in the North America region.
How does LHB make money?
Two revenue lines are on record. Professional Design Services are the primary driver. The others are contract Staffing.
Who are LHB's main competitors?
Broad incumbents on record are Stantec, HDR, Kimley-Horn and AECOM. Direct peers are WSB, Bolton & Menk, Short Elliott Hendrickson (SEH), HGA (Hammel, Green and Abrahamson) and TKDA. BWBR is listed as a regional player.
Does LHB have an API?
No public API is recorded for LHB.
What industry is LHB in?
LHB's product category is Architecture, Engineering, and Planning Services. Its primary akta.pro industry code is BPAHAKAK, Building Information Modeling (BIM) & Digital Design Services, with a secondary code of EUADAKAG, Engineering design services (line design, substation design, civil/structural). Its NAICS code is 5413 and its SIC code is 8711.