STR-SEG
STR-SEG is a privately held engineering and building envelope consulting firm providing roofing, building envelope, and hardscape consulting services to K-12 schools, universities, municipalities, and Fortune 500 clients across the Midwest.
- Company typePrivate
- Founded1999
- HeadquartersMenomonee Falls, United States
- Headcount11–50
- GTM typeB2B
- OfferingServices
What STR-SEG does
STR-SEG, legally Specialty Engineering Group LLC, is a privately held professional engineering and building envelope consulting firm founded in 1999 and headquartered in Menomonee Falls, Wisconsin. The firm delivers three core service lines — roofing consulting, building envelope consulting (windows, walls, air/water infiltration, masonry, exterior wall design), and hardscape consulting (asphalt/concrete pavement evaluation, stormwater management, ADA compliance) — to public-sector and enterprise clients across the Midwest and nationwide, including K-12 school districts, universities, municipalities, Fortune 500 companies, and property management firms.
The firm's underlying technology centers on a cloud-based Facilities Management System (FMS) that provides clients with secure storage of survey and warranty data, issue reporting, automatic contractor dispatch, and tracking through resolution, layered on top of standard CAD and engineering analysis tools used for design, specification, and bidding work. An internal peer-review process codifies collective expertise across projects before client delivery, and the firm operates within the broader STR alliance of companies (STR Partners LLC for architecture/planning, STR Consulting LLC for cost estimating and owner's representation, and STR Design+Build LLC for design-build delivery) to provide integrated services across the building lifecycle.
STR-SEG generates revenue through project-based professional services engagements priced by scope, complexity, and client requirements. The go-to-market motion is sales-led: principals, account managers, and senior project managers develop direct relationships with facility owners, property managers, and government entities across Wisconsin, Illinois, and Indiana, supplemented by competitive bidding processes facilitated on clients' behalf. The firm maintains offices in Menomonee Falls (HQ), Chicago, Indianapolis, and Madison, and cites client relationships exceeding 15 years, indicating a retention-driven, referral-supported commercial model rather than high-volume transactional sales.
STR-SEG firmographics
Firmographics- Name
- STR-SEG
- Legal name
- Specialty Engineering Group LLC
- Website
- https://str-seg.com
- Company type
- Private
- Founded year
- 1999
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- STR-SEG is a privately held engineering and building envelope consulting firm providing roofing, building envelope, and hardscape consulting services to K-12 schools, universities, municipalities, and Fortune 500 clients across the Midwest.
- Ownership category
- akta.pro rank
Where STR-SEG is headquartered
LocationHeadquarters
- HQ city
- Menomonee Falls
- HQ country
- United States
- HQ region
- North America
Offices4 records
Markets served
STR-SEG business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Marketing or Sales, Technology or R&D, Infrastructure
Revenue model
- Building Envelope Consulting: Professional consulting services for building envelope problems including roofing, walls, waterproofing, masonry evaluation, and exterior wall design. Services include surveys, assessments, design and bidding, and construction observation. Revenue is generated through project-based consulting engagements.
- Hardscape Design Services: Consulting and design services for asphalt and concrete pavement evaluation, site design, stormwater management, ADA compliance, and hardscape construction administration. Revenue is generated through design and observation consulting engagements.
- Architectural and Engineering Consulting: Technical advocacy and specialized design services provided by architects, engineers, and consultants on behalf of clients, ensuring buildings are safe, code-compliant, and functioning efficiently.
Go-to-market motion1 record
Distribution channels2 records
Marketing channels4 records
STR-SEG product offering
Product offeringCore offering
STR-SEG is a professional engineering and building envelope consulting firm providing roofing, building envelope, and hardscape consulting services to facility owners, municipalities, and institutional clients. The firm identifies root causes of building envelope and pavement problems, develops practical design solutions, manages competitive bidding processes, and provides construction observation. Services are supported by a proprietary cloud-based Facilities Management System (FMS) that provides clients secure data storage, issue reporting, contractor dispatch, and warranty tracking.
Product overview
STR-SEG is a professional engineering and building envelope consulting firm offering three core service lines: Roofing, Building Envelope, and Hardscape consulting. These services are supported by a proprietary cloud-based Facilities Management System (FMS) that provides survey data accessibility, issue reporting, contractor dispatching, and issue tracking. The firm integrates these offerings through a process of analysis, design, bidding, and construction observation to deliver practical solutions for building envelope and hardscape problems.
Differentiator
Problem solved
Functional benefit
Products and services
- Roofing Consulting Services End-to-end consulting for roof system assessment, design, bidding, and construction observation. Targeted at facility owners, municipalities, school districts, and commercial/industrial clients who need to monitor and manage their roof assets and execute replacement programs tied to capital budgeting.
- Building Envelope Consulting Services Consulting services addressing windows, walls, air and water infiltration, masonry evaluation, and exterior wall design — diagnosing and solving building envelope problems caused by structural settlement, thermal movement, freeze-thaw weathering, storm damage, and aging infrastructure. Targeted at facility owners, municipalities, and institutional clients.
- Hardscape Consulting Services Consulting services for asphalt and concrete pavement evaluation, site design, stormwater management, ADA compliance, and hardscape construction administration for facility roadways, parking lots, and sidewalks. Targeted at facility owners, municipalities, schools, and commercial/industrial clients.
- Facilities Management System (FMS) Cloud-based platform offering secure data storage, issue reporting (maintenance/safety), automatic contractor dispatch, and issue tracking through resolution. Provides clients with access to repair histories, budget forecasts, warranties, and long-term planning information tied to STR-SEG's consulting engagements.
Quantifiable outcome
- Projects delivered on budget and on schedule
- +2 more outcomes
Companies that use STR-SEG
Customer profileNamed customers12 records
Segments8 records
Ideal customer profiles3 records
STR-SEG technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature3 records
STR-SEG partnerships and signals
Strategic signalPartnerships
Three partnerships are on record, tiered core.
- STR Partners LLCcoreSTR Partners LLC is the flagship of the STR group of companies, providing architecture and planning services to educational, research and development, corporate, and healthcare clients. Known for holistic approach resulting in appropriate, intelligent, inspired architecture solutions reflective of client culture, community, and values. STR-SEG is connected to this full-service architectural and planning firm in Chicago, Illinois.
- STR Consulting LLCcoreSTR Consulting LLC specializes in cost estimating, scheduling, owner's representation services, and expanded site representation. Their expertise ensures that projects are on budget and on time. This partner provides complementary services to STR-SEG's building envelope consulting practice.
- STR Design+Build LLCcoreSTR Design+Build LLC provides an alternative method of project delivery for clients who want a single point of responsibility for design and construction. Under this approach, people responsible for design are also responsible for construction quality. Construction professionals and designers work hand-in-hand throughout the process to minimize risk and improve project quality.
Scale indicators3 records
Recent moves6 records
Expansion highlights5 records
STR-SEG competitors and assessment
Company assessmentDirect peers
- RJC Engineers: RJC Engineers is a structural and building science firm with building envelope, restoration, and roofing consulting services. It is comparable to STR-SEG in delivering condition assessments, repair design, and construction observation for institutional clients.
- Simpson Gumpertz & Heger (SGH): SGH is an engineering firm with a dedicated building envelope practice delivering investigation, design, and rehabilitation services. SGH's enclosure consulting practice mirrors STR-SEG's focus on roofing, wall systems, waterproofing, and forensic evaluation.
- Pie Consulting & Engineering: Pie is an engineering firm focused on building envelope, roofing, and waterproofing consulting. It is a similarly sized specialty consultant serving commercial, institutional, and government clients with comparable assessment and design services.
- BFS Engineering: BFS Engineering is a building envelope and facade consulting firm providing investigation, design, and construction administration services. It is a similarly sized specialist competing in the same niche as STR-SEG.
- Wiss, Janney, Elstner Associates (WJE): WJE is a premier engineering consultancy specializing in building envelope, structural, and architectural forensics consulting. It is the closest direct peer to STR-SEG in terms of building envelope problem-solving, condition assessment, and repair design services for institutional clients.
Broad incumbents
- Terracon Consultants: Terracon is a national engineering consulting firm offering building enclosure, roofing, and facilities services alongside geotechnical, environmental, and materials testing. It competes for similar work but as part of a much broader service portfolio.
- NV5 Global: NV5 is a publicly traded engineering and consulting firm with a building envelope and facilities practice. Its scale and public-sector focus overlap with STR-SEG's client base and service lines, though NV5 operates across many other verticals.
- Intertek: Intertek offers building inspection, testing, and asset integrity services globally, including building envelope and construction materials evaluation. It serves institutional clients with broader inspection scope than STR-SEG's niche focus.
- ECS Group of Companies: ECS is a national engineering consulting firm providing building envelope, facilities, and construction materials services. It is broader in scope than STR-SEG but overlaps materially in building enclosure consulting for institutional clients.
Regional players
- Braun Intertec: Braun Intertec is a Midwest-based engineering consulting firm providing building sciences, facilities, and construction materials services. It is a comparable regional competitor with overlapping envelope consulting work for Midwest institutional clients.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks7 records
Key highlights7 records
Customer concentration
STR-SEG social profiles
Digital presenceSTR-SEG financial estimates
Financial estimateRevenue estimate
Valuation estimate
STR-SEG leadership team
Management profileNumber of profiles
Profiles10 records
STR-SEG subsidiaries and ownership
Company hierarchySubsidiaries3 records
STR-SEG funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
STR-SEG 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 STR-SEG
What does STR-SEG do?
STR-SEG is a professional engineering and building envelope consulting firm providing roofing, building envelope, and hardscape consulting services to facility owners, municipalities, and institutional clients. The firm identifies root causes of building envelope and pavement problems, develops practical design solutions, manages competitive bidding processes, and provides construction observation. Services are supported by a proprietary cloud-based Facilities Management System (FMS) that provides clients secure data storage, issue reporting, contractor dispatch, and warranty tracking.
Is STR-SEG a public or private company?
STR-SEG is a private company. It is classified as unknown and is currently operating.
When was STR-SEG founded?
STR-SEG was founded in 1999. It employs 11 to 50 people.
Where is STR-SEG based?
STR-SEG is headquartered in Menomonee Falls, United States, in the North America region.
How does STR-SEG make money?
Three revenue lines are on record. Building Envelope Consulting is the primary driver. The others are hardscape Design Services and architectural and Engineering Consulting.
Who are STR-SEG's main competitors?
Direct peers on record are RJC Engineers, Simpson Gumpertz & Heger (SGH), Pie Consulting & Engineering, BFS Engineering and Wiss, Janney, Elstner Associates (WJE). Broad incumbents are Terracon Consultants, NV5 Global, Intertek and ECS Group of Companies. Braun Intertec is listed as a regional player.
Does STR-SEG have an API?
No public API is recorded for STR-SEG.