What the research found
Identity and footprint
Buttcon Limited is a 100% Canadian, employee-owned general contracting and construction management firm established in 1979 by its founding civil engineer, operating under parent holding company Buttcon Holdings. The company maintains over 250 full-time employees. Its primary corporate headquarters is in Woodbridge (Vaughan), Ontario (300-6240 Highway 7), with an Eastern Ontario regional branch in Kanata (Ottawa), Ontario (4043 Carling Avenue, Suite 200) operating as Buttcon East Limited, and a Western Canada office in Calgary, Alberta operating as Buttcon West Limited.
Not established: Current total annual construction volume or revenue figures across corporate entities. Specific shareholding distribution among employee-owners.
Confidence: high
2 sources
Operating model
The firm operates as a general contractor and construction manager delivering institutional, commercial, industrial (ICI), and multi-unit residential construction projects. Project delivery methods encompass Design-Build, Design-Build-Finance, Public-Private Partnerships (P3), Integrated Project Delivery (IPD), General Contracting, and Construction Management. Specialized operational groups include BModular (focused on offsite volumetric modular construction and mass structural timber CLT developments) and an energy-retrofit practice for institutional facilities.
Not established: Percentage breakdown of contract volume across contract models (Lump Sum vs. Construction Management vs. IPD/P3). Average active project count managed concurrently across the central and eastern Ontario regions.
Confidence: high
2 sources
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We specialize in institutional, commercial, industrial and multi-unit residential construction.
1. Canada General Contractors - Buttcon
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Understanding that every project is unique, every site is unique, and every owner is unique we are seasoned experts in a variety of approaches to project delivery.
1. Canada General Contractors - Buttcon
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Stepping into the future and a new era of construction, Buttcon celebrates its first prefabricated Mass Structural Timber CLT residential building under our first IPD contract.
2. History - Buttcon
Make versus buy
The company self-performs core professional construction management functions, including pre-construction planning, estimating and quantity take-offs, bid preparation, project management, site supervision, safety management (full-time safety managers assigned to each project), and quality control oversight. Physical trade work is substantially subcontracted to specialty trade partners, including earthmoving, shoring, pile driving, formwork, structural steel, mechanical, electrical, architectural finishes, and modular unit fabrication.
Not established: Whether any direct-labour rough carpentry or hoisting crews are self-performed on site. Threshold contract sizes required for dedicated full-time site safety managers versus roving safety supervisors.
Confidence: high
4 sources
Procurement and intake
Procurement and trade award decisions are led by the Pre-Construction and Estimating department under the Director of Pre-Construction and Estimating, together with the Chief Estimator, and project managers / coordinators during change event execution. Prospective trade partners gain intake via dedicated regional estimating and procurement email inboxes for Central Ontario and Eastern Ontario, or through an intake upload form on the tenders page. Trade tender packages, specifications, and addenda are distributed electronically through BuildingConnected and Procore.
Not established: Whether trade contractors must complete an annual prequalification questionnaire before accessing tender documents on BuildingConnected. Specific spending authority limits assigned between the Chief Estimator and Project Executives.
Confidence: high
2 sources
Qualification gates
Labour position: Bound to the Carpenters' and Labourers' industrial, commercial and institutional (ICI) Provincial Construction Collective Agreements in Ontario, requiring subcontractors performing work within those trades' jurisdictions to use affiliated union labour. Safety & compliance: Holds IHSA Certificate of Recognition (COR) certification under continuous audit, maintains an exemplary WSIB CAD 7 safety rebate record, requires trade partners to adhere to company safety policies and attend site safety meetings, and enforces CSA Standard Z317.13-07 infection control training for healthcare projects. Commercial gates: Trade partners must provide bonding and proof of insurance, and contracts are administered under CCDC standards (e.g. CCDC 5B, CCDC 14).
Not established: Standard commercial general liability insurance minimums (e.g. $5M vs $10M) and subcontractor default insurance requirements. Formal payment terms (e.g. net 30 or prompt payment act statutory holdback cycle details).
Confidence: high
3 sources
Active signals
Active indicators demonstrate ongoing project delivery and corporate recruitment across Ontario. Notable recent contract awards include the $7.5M Sparks Street affordable seniors modular housing build for the City of Greater Sudbury and the modernization contract for the VIA Rail Toronto Maintenance Centre at 50 Drummond Street in Etobicoke. Major ongoing site activity includes groundbreaking on the Ontario Tech University Student Community and construction of the Fairvern Long-Term Care Home in Huntsville. The company is actively recruiting for estimators, project managers, and site superintendents in Ontario and British Columbia.
Not established: Expected substantial performance and handover dates for the Ontario Tech University Student Community and Fairvern Long-Term Care Home projects. Current active tender pipeline and upcoming public bid pursuits in Central Ontario.
Confidence: high
4 sources
Technology and systems
Operational and project collaboration systems are anchored by Procore Web and mobile applications, utilized company-wide for change events, subcontractor RFQ management, drawing comparisons, specifications, RFI administration, pull planning, and digital safety observations. Subcontractor bid packages and specifications are hosted and distributed on BuildingConnected. Construction project scheduling is managed with Primavera P6 and Suretrak, while financial accounting and job costing are administered on Axis Accounting Software. Digital EHS training and safety certifications are managed via LUMA1.
Not established: Digital estimating takeoff software suite (e.g. PlanSwift, On-Screen Takeoff, or Assemble Systems). Specific BIM coordination authoring and clash detection software (e.g. Autodesk Revit, Navisworks) used alongside Procore Models.
Confidence: high
2 sources
Recent activity
The City of Greater Sudbury awarded the tender for a 14-unit affordable seniors complex on Sparks Street to Buttcon Ltd. for $7.5 million, delivered as an offsite modular build.
Current, dated · 2023-04-02
1 source
VIA Rail Canada awarded the contract for modernization and construction at the Toronto Maintenance Centre at 50 Drummond Street in Etobicoke to Buttcon Limited.
Current, dated · 2022-11-23
1 source
Groundbreaking commenced on the Ontario Tech University Student Community purpose-built development featuring two five-storey buildings.
Current, undated
1 source
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We officially broke ground on the Ontario Tech University Student Community! This purpose-built development will feature two five-storey buildings, creating...
16. News - Buttcon
Construction started for the new Fairvern Long-Term Care Home in Huntsville.
Current, undated
1 source
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Exciting News from Buttcon: Shovels Are in the Ground for the New Fairvern Long-Term Care Home! We are thrilled to...
16. News - Buttcon
Active recruitment for project and estimating roles including Senior Estimator (Vancouver, BC, posted 2026-09-15), Assistant Site Superintendent (Ottawa, ON, posted 2026-08-25), Site Superintendent (Ottawa, ON, posted 2026-07-15), and Project Manager (Ottawa, ON, posted 2026-07-15).
Current, dated · 2026-09-15
1 source
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Senior Estimator – Vancouver | Vancouver, BC | 09/15/2026 4:26 pm
Assistant Site Superintendent | Ottawa, ON | 08/25/2026 4:55 pm
Site Superintendent – Calgary | Calgary, AB | 07/16/2026 3:03 pm
Site Superintendent | Ottawa, ON | 07/15/2026 4:52 pm
Project Manager | Ottawa, ON | 07/15/2026 10:27 am
17. Current Opportunities - Buttcon Limited
The Toronto office of Buttcon Limited achieved a safety milestone of over 1,000,000 consecutive hours worked without lost time injury, recognized at the OGCA Leaders in Safety Conference.
Current, undated
1 source
Organizations and projects
Subsidiary of
Buttcon Holdings
Parent holding company of the Buttcon Group of Companies, overseeing corporate strategy and capital allocation.
1 source
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In the spirit of being a family and employee-owned and managed business, Mark A. Butt was appointed to lead Buttcon Holdings as Chief Executive Officer.
2. History - Buttcon
Affiliated with
BModular
Modular construction division and subsidiary of the parent holding company, delivering offsite volumetric modular and mass timber housing developments.
buttconmodular.com
1 source
Affiliated with
Buttcon East Limited
Regional operating corporate subsidiary managing general contracting and construction management operations in Ottawa and Eastern Ontario.
2 sources
Affiliated with
Buttcon West Limited
Regional operating corporate subsidiary managing general contracting and construction management operations in Calgary and Western Canada.
1 source
Worked with
Eastern Construction Company Limited
Joint venture partner on the $150M TTC McNicoll Bus Garage design-build facility in Scarborough, Ontario.
1 source
Delivered for
Toronto Transit Commission
Public transit agency for whom the company delivered the $150M McNicoll Bus Garage Design-Build project and Chester Station upgrades.
ttc.ca
1 source
Delivered for
VIA Rail Canada
National passenger rail operator that awarded the modernization contract for the Toronto Maintenance Centre facility at 50 Drummond Street in Etobicoke.
viarail.ca · 2022-11-23
1 source
Delivered for
City of Greater Sudbury
Municipal buyer that awarded the $7.5M Sparks Street affordable seniors modular housing build and the Lorraine Street transitional housing facility.
greatersudbury.ca · 2023-04-02
1 source
Worked with
Nomodic Modular Structures Inc.
Joint venture partner with the company on the 40-unit Lorraine Street transitional housing complex project in Sudbury, Ontario.
2023-04-02
1 source
Delivered for
Ontario Tech University
Post-secondary institution for which the company broke ground on the Student Community development comprising two five-storey residence buildings.
ontariotechu.ca
1 source
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We officially broke ground on the Ontario Tech University Student Community! This purpose-built development will feature two five-storey buildings, creating...
16. News - Buttcon
People
The research has 10 people on record at this company: 2 who decide on purchases, 2 who route requests, 2 who influence purchases, 4 senior, with no observed buying function.
It holds 1 email address and 1 phone number that public pages list for them.
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Jason
[Register for last name]
· Director, Pre-Construction and Estimating
Pre-Construction and Estimating · Woodbridge, Ontario · Decision maker
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Kris
[Register for last name]
· President, Buttcon Central
Executive Management · Woodbridge, Ontario · Executive
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Ray
[Register for last name]
· President, Buttcon East
Executive Management · Kanata, Ontario · Executive
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Scott
[Register for last name]
· Senior Vice President, Construction Operations
Construction Operations · Woodbridge, Ontario · Influences purchases
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Sami
[Register for last name]
· Quality Control Manager
Quality Control · Woodbridge, Ontario · Influences purchases
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Mark
[Register for last name]
· Chief Executive Officer
Corporate / Buttcon Holdings · Woodbridge, Ontario · Executive
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Michael
[Register for last name]
· Honourary Chairman & Founder
Board of Directors · Woodbridge, Ontario · Executive
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Chris
[Register for last name]
· Director, Pre-Construction & Estimating
Pre-Construction & Estimating (BModular) · Woodbridge, Ontario · Decision maker
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Jay
[Register for last name]
· Estimator / Procurement Specialist
Estimating and Procurement (BModular) · Woodbridge, Ontario · Routes requests
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Cassia
[Register for last name]
· Human Resources Coordinator
Human Resources · Woodbridge, Ontario · Routes requests
Last names, direct contact details and outreach routes are gated behind registration.