Korellis
Korellis is a privately held, Hammond, Indiana-based commercial and industrial construction services firm founded in 1960, providing roofing, sheet metal, wall panel, and masonry services with an emphasis on safety to commercial and industrial customers in the Midwest.
- Company typePrivate
- Founded1960
- HeadquartersHammond, United States
- Headcount101–250
- GTM typeB2B
- OfferingServices
What Korellis does
Korellis is a private, for-profit commercial and industrial construction services firm headquartered in Hammond, Indiana, founded in 1960 by George Korellis. The company provides roofing, sheet metal, wall panel, and masonry services to commercial and industrial customers, with an explicit operational emphasis on safety. It operates with 101-250 employees, consistent with a mid-sized regional specialty contractor that can field multiple concurrent project crews in the Midwest trades market.
The company's offering is built around four closely related service lines — commercial and industrial roofing, sheet metal, wall panels, and masonry — which together cover the building envelope and exterior structure for non-residential assets. The technical content of the work is conventional construction trades rather than proprietary technology; Korellis is a services firm, not a product or software company. Its go-to-market is project-based and bid-driven, the standard model for U.S. specialty contractors, with revenue tied to awarded contracts rather than recurring subscriptions. No pricing model, contract structure, or customer-segment data was disclosed in the source material.
The firm has operated continuously for more than six decades, and its stated differentiator is safety, which functions as both an operational discipline and a marketing claim in competitive bidding for commercial and industrial work. No funding rounds, M&A activity, product launches, leadership changes, or geographic expansion events were captured in the source data, and the company website did not return substantive content at the time of data collection. As a result, the financial profile, ownership structure, and current strategic posture of Korellis cannot be fully characterized beyond what is stated above.
Korellis firmographics
Firmographics- Name
- Korellis
- Website
- https://korellis.com
- Company type
- Private
- Founded year
- 1960
- Headcount range
- 101–250 employees
- Short description
- Korellis is a privately held, Hammond, Indiana-based commercial and industrial construction services firm founded in 1960, providing roofing, sheet metal, wall panel, and masonry services with an emphasis on safety to commercial and industrial customers in the Midwest.
- Ownership category
- akta.pro rank
Where Korellis is headquartered
LocationHeadquarters
- HQ city
- Hammond
- HQ country
- United States
- HQ region
- North America
Markets served
Korellis business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Supply Chain, Operations, Marketing or Sales
Korellis product offering
Product offeringCore offering
Korellis is a specialty contractor that provides commercial and industrial roofing, sheet metal, wall panel, and masonry services. The company sells its trade services directly to commercial and industrial clients, with a stated focus on jobsite safety across all delivered work.
Differentiator
Problem solved
Functional benefit
Products and services
- Commercial and Industrial Roofing Services Installation, replacement, and repair of roofing systems for commercial and industrial facilities, delivered as a contracted trade service to building owners and general contractors.
- Sheet Metal Services Fabrication and installation of sheet metal components for commercial and industrial building projects, typically tied to roofing and envelope scopes.
- Wall Panel Installation Services Installation of wall panels as part of commercial and industrial building envelope work, bundled with the company's roofing and sheet metal offerings.
- Masonry Services Masonry construction services for commercial and industrial projects, delivered alongside roofing, sheet metal, and wall panel work.
Companies that use Korellis
Customer profileIdeal customer profiles1 record
Korellis technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Korellis partnerships and signals
Strategic signalRecent moves2 records
Korellis competitors and assessment
Company assessmentDirect peers
- Tecta America: One of the largest U.S. commercial roofing contractors offering installation, repair, and sheet metal services to commercial and industrial customers. Directly comparable to Korellis in service mix and customer type, but at national scale.
- WTI (Weatherproofing Technologies Inc.): National commercial roofing and weatherproofing services provider focused on building envelope work for commercial and institutional clients.
- Nations Roof: National commercial and industrial roofing contractor offering installation, repair, and maintenance. Comparable customer base and service model to Korellis.
- KPost Company: Commercial roofing and waterproofing contractor serving Texas and surrounding markets. Comparable service mix and customer profile to Korellis, though regionally distinct.
- Baker Roofing Company: Mid-size commercial and residential roofing contractor in the Southeast U.S. with sheet metal capabilities, comparable in scale and trade mix to Korellis.
- Flynn Group: North American commercial roofing and architectural metals contractor serving institutional, commercial, and industrial clients. Closely matches Korellis' roofing + sheet metal/wall panel combination.
- Greenwood Industries: Commercial roofing and architectural sheet metal contractor serving industrial and institutional clients across the Midwest and beyond. Highly comparable trade mix to Korellis.
- CentiMark Corporation: Largest commercial roofing contractor in North America with full-service roofing, flooring, and concrete services. Overlaps directly with Korellis on commercial roofing and envelope work.
Regional players
- Bone Dry Roofing: Regional commercial and residential roofing contractor based in the Midwest, with overlapping service lines and similar customer types as Korellis.
Broad incumbents
- Tremco Roofing: Established commercial roofing manufacturer/installer offering full envelope solutions including roofing, wall systems, and waterproofing. Broader incumbent with overlapping commercial roofing and wall panel capabilities.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat3 records
Key risks5 records
Key highlights5 records
Customer concentration
Korellis social profiles
Digital presenceKorellis financial estimates
Financial estimateRevenue estimate
Valuation estimate
Korellis leadership team
Management profileNumber of profiles
Profiles1 record
Korellis funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Korellis 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 Korellis
What does Korellis do?
Korellis is a specialty contractor that provides commercial and industrial roofing, sheet metal, wall panel, and masonry services. The company sells its trade services directly to commercial and industrial clients, with a stated focus on jobsite safety across all delivered work.
When was Korellis founded?
Korellis was founded in 1960. It employs 101 to 250 people.
Where is Korellis based?
Korellis is headquartered in Hammond, United States, in the North America region.
Who are Korellis's main competitors?
Direct peers on record are Tecta America, WTI (Weatherproofing Technologies Inc.), Nations Roof, KPost Company, Baker Roofing Company, Flynn Group, Greenwood Industries and CentiMark Corporation. Bone Dry Roofing is listed as a regional player. Tremco Roofing is listed as a broad incumbent.
Does Korellis have an API?
No public API is recorded for Korellis.