What Klepper, Hahn & Hyatt does

Klepper, Hahn & Hyatt is a privately held, multi-disciplinary design firm founded in 1950 and headquartered in East Syracuse, New York. The firm operates three core design disciplines under a single roof: Structural Engineering (the founding practice), Landscape Architecture (added in 1988), and Building Envelope Systems (added in 2004). Supporting services include Special Inspections, Forensic Engineering, peer review, and expert witness work. The practice serves institutional clients across higher education (SUNY campuses, Colgate, Syracuse University, Cornell, multiple school districts), healthcare (UHS, Crouse Hospital), government and municipal entities (Onondaga County, NY State Parks), and nonprofit/real estate developers, primarily across Central New York with stated reach into New York State and the broader Northeast.

The firm delivers services on a professional consulting basis via project-based engagements secured through direct client relationships, RFPs, and RFQs, often working as a sub-consultant alongside architectural firms such as King+King Architects, Crawford & Stearns, and Keystone Associates. Its technical toolkit spans BIM (Revit), CAD (AutoCAD), structural analysis software (RISA, Enercalc, TEDDS), infrared thermography for envelope diagnostics, hydrology and stormwater modeling, and 3D printing for design visualization. Differentiated capabilities include Manufactured Structural Thermal Break Assemblies (MSTBAs), petrographic analysis for historic cast stone restoration, BECx services for LEED compliance, and specialized seismic upgrades designed to minimize disruption to occupied hospital facilities.

The business is operated autonomously with no parent company, external investors, or M&A activity identified. The firm relies on long-tenured licensed PEs and landscape architects as its core intellectual capital, supported by a project database of more than 10,000 engagements accumulated over 75 years. Marketing is relationship-driven, executed through a website with project galleries, an e-News newsletter, organic social presence, and earned media such as the STRUCTURE magazine feature authored by principal Jim D'Aloisio. Pricing is not publicly disclosed, consistent with a custom-quoted professional services model.

Name

Klepper, Hahn & Hyatt

Legal name

Klepper, Hahn & Hyatt

Website

https://khhpc.com

Company type

Private

Founded year

1950

Operating status

Operating

Headcount range

11–50 employees

Short description

Klepper, Hahn & Hyatt is a privately held, multi-disciplinary design firm founded in 1950 in East Syracuse, New York, offering structural engineering, landscape architecture, and building envelope systems to institutional, healthcare, government, and education clients across New York State.

Ownership category

akta.pro rank

Product category

Structural Engineering Services

NAICS

Landscape Architectural Services (54132), Architectural, Engineering, and Related Services (5413)

SIC

Services-Engineering Services (8711)

akta.pro primary industry

Civil & Structural Engineering Consulting (BPAHAIAA)

akta.pro secondary industry

Community Engagement & Participatory Planning (BPAHAKAO)

Keywords

• Structural engineering
• Landscape architecture
• Building envelope
• Historic preservation
• Forensic engineering

Headquarters

HQ city

East Syracuse

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Structural Engineering Services: Full-service structural engineering including design of new buildings and additions, structural condition assessments, rehabilitation projects, foundation design, roof analysis, and load capacity analysis. Revenue is generated through professional consulting fees on a per-project basis.
2. Landscape Architecture Services: Site planning, property analysis, hydrology studies, stormwater management (SWPPP), planting design, retaining wall design, and site construction administration. Revenue through consulting fees on landscape and site development projects.
3. Building Envelope Systems Services: Building envelope consulting, masonry facade rehabilitation, historic preservation, energy code compliance verification, infrared thermal imaging, and Building Enclosure Commissioning (BECx). Revenue generated through professional consulting fees.
4. Special Inspections and Forensic Services: Concrete placement inspection, steel erection inspection, masonry construction inspection, facade inspection, forensic investigations, expert witness services, and peer reviews. Revenue through inspection and consulting fees.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels8 records

Core offering

Klepper, Hahn & Hyatt is a multi-disciplinary design firm providing structural engineering, landscape architecture, and building envelope systems consulting services. The firm delivers design, analysis, and rehabilitation services for new construction, renovations, and historic preservation projects across institutional, healthcare, governmental, and commercial clients in Central New York and the broader Northeast region.

Product overview

Klepper, Hahn & Hyatt is a multi-disciplinary design firm offering three core disciplines: Structural Engineering (core since 1950), Landscape Architecture (added 1988), and Building Envelope Systems (added 2004). These disciplines work together to provide comprehensive building design and rehabilitation services. The firm also offers supplementary services including Special Inspections, Forensic Engineering, Peer Review, and Conference Center services. The company specializes in both contemporary and historic structures, serving the educational, healthcare, institutional, and commercial sectors across Central New York and the Northeast.

Differentiator

Problem solved

Functional benefit

Products and services

• Structural Engineering Full structural design services for new buildings and additions using steel, masonry, wood, concrete, SIPs, and ICFs; structural analysis and renovation design; foundation design; roof analysis and load capacity assessment; structural condition assessment and rehabilitation; structural feasibility studies for vertical expansions and seismic upgrades. Served to institutional, healthcare, governmental, and commercial building owners.
• Landscape Architecture Site planning, property analysis, site plan reviews, hydrology studies, hardscape and planting design, retaining wall design, exterior entryway restoration, stormwater management and SWPPP inspections, solar array site design, and site accessibility services.
• Building Envelope Systems Masonry facade condition assessment, envelope performance consulting, facade rehabilitation, energy code compliance, infrared thermal imaging, Building Envelope Commissioning (BECx) for LEED requirements, and historic masonry preservation.
• Special Inspections Inspection services including concrete placement inspection, steel erection inspection, masonry construction inspection, wood inspection (including roof trusses), facade inspection, and special inspection program administration.
• Forensic Engineering Services Structural failure and loss reviews, building forensics, expert witness services for legal counsel, and structural condition reviews for existing buildings and parking structures.

Quantifiable outcome

• LEED Gold certified project: SUNY Oswego Student Residential Complex 'The Village' — 150,000 sq ft, 12 townhouses, 348 beds
• +2 more outcomes

Named customers19 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

One partnership is on record.

• Herrick-Saylor EngineersminorStrategic or Co-development PartnerKHH collaborated with Herrick-Saylor Engineers (Pittsford, NY) on the Singer Castle Cast Stone Restoration project. Jay Saylor, P.E. of Herrick-Saylor worked closely with KHH on the development of an ingenious shoring mechanism for arch removal and replacement. This was a project-specific technical collaboration.

Scale indicators3 records

Recent moves5 records

Expansion highlights5 records

Direct peers

• C&S Companies: Syracuse-headquartered engineering, architecture, planning, and construction services firm serving institutional, municipal, and private clients across New York and the Northeast. Directly comparable multi-discipline AE firm competing for the same SUNY, healthcare, and municipal RFPs in Central NY.
• Barton & Loguidice: Multi-disciplinary engineering, planning, and landscape architecture firm headquartered in Syracuse with offices across New York State. Directly competes with KHH on municipal, higher education, and water/stormwater projects in the same Central NY market.
• Fisher Associates: Rochester, NY-based multi-discipline engineering, architecture, and planning firm serving transportation, municipal, and institutional clients. Comparable in size, geography, and the mix of structural engineering with planning/site services.
• Bergmann: Rochester-headquartered architecture, engineering, and planning firm with offices across NY and the Northeast. Competes for similar institutional, healthcare, and higher-education assignments with a comparable multi-disciplinary delivery model.
• LaBella Associates: Rochester-based architecture, engineering, and environmental consulting firm with growing footprint across the Northeast. Directly comparable multi-discipline AE firm pursuing institutional, healthcare, and municipal clients in NY State.
• Passero Associates: Rochester, NY-headquartered architecture, engineering, and surveying firm serving airports, municipal, and institutional clients across the Northeast. Similar size, multi-discipline mix, and regional geography to KHH.
• Ryan Biggs Clark Davis Engineering & Surveying: Upstate NY structural engineering and surveying firm specializing in building structures, historic preservation, and forensic work. Directly comparable on structural engineering, historic preservation, and building envelope services in the same upstate NY market.
• Popli Design Group: Penfield, NY-based architecture, engineering, and surveying firm serving transportation, municipal, and institutional clients. Comparable regional AE firm competing for NY State DOT, education, and municipal projects.

Broad incumbents

• Stantec: Global multi-discipline engineering, architecture, and environmental services firm with major NY State operations. Broader incumbent that competes for the same institutional and healthcare RFPs at scale, often as a sub-consultant to architectural primes.
• WSP: Global professional services firm with significant NY presence across buildings, transportation, and environment. Large incumbent that pursues the same higher-education, healthcare, and municipal clients and often absorbs smaller regional firms through acquisitions.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/klepper-hahn-hyatt
• Xx.com/khh_pc

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Klepper, Hahn & Hyatt