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579453 Ontario Inc. o/a MANTECH

UEI: CB_2CE7378060C41EA3

579453 Ontario Inc. o/a MANTECH is a federal contractor, registered under UEI CB_2CE7378060C41EA3. It has been awarded $154,392 across 1 federal contract. Primary work spans Unknown NAICS. Top awarding agencies include Department of Public Works and Government Services (PSPC).

Contact Information

Registration and classification details

Address123 Main St, City, ST 12345

Registration

UEI Code

CB_2CE7378060C41EA3

Federal Contracting Overview

Award totals, agency breakdown, NAICS distribution, and geographic footprint.

Key Performance Metrics

Awards Count

0

All time

Active

0

Currently performing

Completed

0

Past period of performance

Total Awards

All time

Contracts

Prime · all time

Subcontracts

Sub · all time

Grants

Prime · all time

Subgrants

Sub · all time

Award Analytics & Distribution

Awards by Agency

Department of Public Works and Government Services (PSPC)$154.4K100%

Awards by NAICS

- Unknown NAICS$154.4K100%

Awards by Agency Over Time

Awards by Place of Performance

Open opportunities in 579453 Ontario Inc. o/a MANTECH's top NAICS codes and agencies

EB144-270339 - ITT - BIO Jetty Fender Upgrades

Solicitation # WS5792075419

This solicitation, designated EB144-270339 and identified by solicitation number WS5792075419, represents Phase 2 of the procurement process for the BIO Jetty Fender Upgrades project under the Government of Canada’s Department of Public Works and Government Services. Participation is restricted exclusively to suppliers who have successfully passed the pre-qualification requirements of Phase 1; no new bidders will be accepted at this stage. The tender invites qualified vendors to submit proposals for upgrading fender systems at a location in Nova Scotia, with evaluation strictly guided by the criteria outlined in the official solicitation documents. All submissions must be received by the deadline of August 27, 2026, at 19:00 Eastern Time, and inquiries or communications should be directed to Kate Mintzer, Contracting Authority, at the provided government email address. The process is administered through CanadaBuys, with no set-aside provisions applicable to this procurement.

Department of Public Works and Government Services

POSTED

about 13 hours ago

DEADLINE

RFP National Combat Rations Program Long Term Solutions

Solicitation # WS5735463200

Public Works and Government Services Canada is procuring long-term shelf-stable combat rations on behalf of the Department of National Defence under the National Combat Ration Program to support Canadian Armed Forces during training, domestic operations, deployments, and emergency scenarios where fresh food is not viable. The rations consist of consumable food and non-food items packaged in overwrap bags and must meet strict operational and nutritional standards outlined in the Statement of Requirement. The solicitation, identified as WS5735463200, offers two procurement models: a Prime Vendor approach where one contractor manages all components, or a Category by Category approach with multiple contracts for individual components and a designated assembler. Responses must be submitted via the SAP Ariba platform, with all documentation accessible only through a logged-in account. The proposal deadline is August 28, 2026, at 19:00 Eastern Time, and late submissions will not be accepted. The primary point of contact for inquiries is Jennifer Bennett, Contracting Authority, reachable at jennifer.bennett@tpsgc-pwgsc.gc.ca.

Department of Public Works and Government Services

POSTED

about 13 hours ago

DEADLINE

in about 1 month

M5000-261366 Dispatch Consoles

Solicitation # WS5466188992

Public Services and Procurement Canada, acting on behalf of the Royal Canadian Mounted Police, is seeking bids for the delivery and installation of dispatch consoles in Brandon, Manitoba, with an urgent need for timely completion. The solicitation, identified as WS5466188992 under the title M5000-261366 Dispatch Consoles, has a strict submission deadline of August 17, 2026, at 2:00 p.m. EDT, overriding any previously advertised closing times on Ariba Discovery or CanadaBuys. Any bid received after this time will be automatically deemed non-responsive. The contract falls under NAICS code 334210 and is open to all eligible suppliers without specific set-aside provisions. The primary point of contact for inquiries is Eddie Beddall, Contracting Authority, reachable via email at eddie.beddall@tpsgc-pwgsc.gc.ca. All documentation and responses must be submitted through the official CanadaBuys portal prior to the deadline to be considered.

Department of Public Works and Government Services

POSTED

about 13 hours ago

DEADLINE

HVAC Filters Standing Offer

Solicitation # WS5741166353

Public Services and Procurement Canada is seeking suppliers for a standing offer to supply HVAC filters with an initial term of one year and four optional one-year extension periods, providing potential for up to five years of supply under a single agreement. The solicitation, identified by WS5741166353, was posted on July 14, 2026, with responses due by August 3, 2026, and falls under NAICS code 423730, which pertains to commercial equipment and supplies merchant wholesalers. The contract is open to all eligible vendors without set-aside provisions and will support operations across the National Capital Region, with performance expected to serve federal facilities in that area. Stephanie Way, Contracting Authority with PSPC, serves as the primary point of contact for inquiries and submissions, and all details and submissions must be handled through the official Canada Buys portal.

Department of Public Works and Government Services

POSTED

about 13 hours ago

DEADLINE

W0125-27WR11 - Tailoring and Alteration Services, London

Solicitation # WS5799209201

This contract is reserved exclusively for Indigenous Businesses under the Procurement Strategy for Indigenous Business and seeks tailoring and alteration services for military clothing and accessories to be performed in Trenton, Ontario. The initial term is one year, with the possibility of extending the contract for up to three additional one-year periods at the government’s discretion. The work involves specialized alterations to military garments and accessories, requiring adherence to strict security protocols due to the nature of the items being serviced. While the solicitation title references London, the actual place of performance is specified as Ontario outside the National Capital Region. The requirement is issued through the Government of Canada via Public Services and Procurement Canada, with a single point of contact, Allison Fernandez, serving as the contracting authority. Bids must be submitted by the deadline of August 7, 2026, and the NAICS code 315210 identifies the scope as sewn apparel manufacturing.

Department of Public Works and Government Services

POSTED

about 13 hours ago

DEADLINE

RFP EP774-260411-C Precast Concrete Planters and Bollards

Solicitation # WS5545065916

Public Services and Procurement Canada, through its Science and Parliamentary Infrastructure Branch, is seeking suppliers to provide twenty concrete bollard units and seven pre-cast concrete planters under solicitation WS5545065916, titled RFP EP774-260411-B. All items must strictly comply with the technical specifications detailed in the Annex Statement of Requirement, ensuring suitability for federal infrastructure use in the National Capital Region. The procurement is open to all eligible bidders without set-aside restrictions and falls under NAICS code 238120 for concrete work. Proposals must be submitted by the deadline of July 2, 2026, at 2:00 PM Eastern Time, with the sole point of contact being Nawal Shooman of PSPC, reachable via email. The place of performance excludes Quebec outside the National Capital Region, and while the office address details are unspecified, the delivery location and application context are clearly confined to federal facilities managed by the Government of Canada.

Department of Public Works and Government Services

POSTED

about 13 hours ago

DEADLINE

Rideau Committee Room-Elevator Modernization

Solicitation # WS5812820445

The Government of Canada, through Public Works and Government Services Canada, is soliciting bids for the repair and modernization of the elevator located in the Rideau Committee Room at 1 Wellington Street in Ottawa, Ontario. Bidders must participate in a mandatory site visit, possess a valid Secret security clearance, and provide bid security. Individuals attending the site visit must present government-issued photo identification and have their full legal names, dates of birth, and company details submitted to the Contracting Authority by July 28, 2026, at 2:00 p.m. Those without clearance will undergo screening for access. All solicitation documents are accessible through SAP Ariba, where suppliers must register or log in, complete their Government of Canada profile, and respond to the posting. Questions regarding the bid must be submitted exclusively via the “Event Messages” feature on the platform, and support is available through the CanadaBuys Service Desk. The opportunity has a response deadline of August 18, 2026, at 7:00 p.m., and the solicitation number is WS5812820445. The primary point of contact for inquiries is Sidney Souto Zoellner, Contracting Authority, reachable via email at sidney.soutozoellner@tpsgc-pwgsc.gc.ca.

Department of Public Works and Government Services

POSTED

about 13 hours ago

DEADLINE

F3065-265252 – Sea water valves for CCGS Leim

Solicitation # WS5788821709

Public Works and Government Services Canada, acting on behalf of the Canadian Coast Guard, is soliciting proposals for the supply of 34 seawater valves destined for the Canadian Coast Guard Ship Leim, with delivery required in Quebec, Quebec. The solicitation, identified as WS5788821709 and titled F3065-265252, was posted on July 28, 2026, and responses must be submitted by August 17, 2026, at 7:00 p.m. Eastern Time. The valves are to be delivered in accordance with the detailed specifications outlined in the Annex Statement of Requirement, ensuring compatibility and operational integrity with the vessel’s systems. This procurement is a federal government initiative with no set-aside provisions, managed through the Government of Canada’s procurement framework. Melanie Parent, Contracting Authority with Public Services and Procurement Canada, serves as the primary point of contact for inquiries related to the solicitation, and can be reached at melanie.parent@tpsgc-pwgsc.gc.ca. The contract is being issued under the broader authority of PWGSC to support critical maritime infrastructure needs, reinforcing the operational readiness of the Canadian Coast Guard fleet. Proposals must fully address the technical, delivery, and compliance requirements detailed in the official documentation available on the Canada Buys portal, with selection based on demonstrated capability, adherence to specifications, and cost-effectiveness. Failure to meet the deadline or submission standards will result in automatic disqualification.

Department of Public Works and Government Services

POSTED

about 13 hours ago

DEADLINE

W3027-270146 B- Tailoring Services

Solicitation # WS5742041011

This contract is exclusively reserved for Indigenous businesses under the Procurement Strategy for Indigenous Business, seeking tailoring services for military clothing and accessories at the 4 Canadian Division Support Garrison Technical Services Detachment in London, Ontario. The work supports all three branches of the Canadian Armed Forces — Air Force, Army, and Navy — across southwestern Ontario, with services required at the facility located at 701 Oxford Street East. The base contract period is one year, with three additional one-year optional periods available, providing potential for up to four years of service. There are no security clearance requirements for this engagement. The solicitation number is WS5742041011, posted on July 24, 2026, with responses due by July 29, 2026, under NAICS code 315210 for apparel manufacturing. The contract is being managed by the Government of Canada through Public Services and Procurement Canada, with Allison Fernandez serving as the primary contracting authority and point of contact.

Department of Public Works and Government Services

POSTED

about 13 hours ago

DEADLINE

F1782-25C180 - Aluminium RHIB Cradles

Solicitation # WS5479629020

The Canadian Coast Guard seeks the fabrication of two aluminum rigid hulled inflatable boat cradles for use on Western Region Midshore Patrol Vessels, with delivery required at the Institute of Ocean Sciences in Sidney, British Columbia, no later than 16 December 2026. The solicitation, identified as WS5479629020 under contract reference F1782-25C180, was posted on 4 August 2026 and has a response deadline of 26 August 2026. The work falls under NAICS code 336612, which pertains to ship and boat building, and is being procured by the Government of Canada through Public Services and Procurement Canada. Proposals must be submitted to Tracy Birtwistle, the primary contracting authority, via the provided email address. The place of performance is specified as British Columbia, and there is no set-aside classification for this procurement.

Department of Public Works and Government Services

POSTED

DEADLINE

01R11-270190-20ft Single Drum Land Roller

Solicitation # WS5790345629

The Government of Canada, through Public Works and Government Services Canada, is soliciting offers for the supply and delivery of a single 20-foot single-drum trailed land roller to be used at the Agriculture and Agri-Food Canada Saskatoon Research Farm. This equipment is essential for supporting the cultivation of roll-suitable crops and the establishment of agricultural research trial plots, ensuring optimal soil preparation and field conditions for scientific experimentation. The solicitation, identified by the number WS5790345629, was posted on August 4, 2026, with a firm response deadline of August 11, 2026, at 7:00 PM Eastern Time. The land roller must meet specific technical and functional requirements to align with the research needs of the farm, and offers must demonstrate compliance with all performance, delivery, and quality standards set out in the solicitation. All submissions must be directed to Susi Kosmulalage, Contracting Authority, at susi.kosmulalage@tpsgc-pwgsc.gc.ca, and the sole place of performance is located in Saskatchewan. The procurement is a federal tender with no specific set-aside designation, indicating it is open to all eligible offerors without restrictions based on business size or category. The equipment will be integrated into existing agricultural research infrastructure, and timely delivery and proper functionality are critical to maintaining the farm’s operational schedule and research timelines. Interested parties are encouraged to review the full solicitation details via the provided Canadian Buys portal link to ensure full compliance with all terms and conditions before submitting a proposal.

Department of Public Works and Government Services

POSTED

DEADLINE

F6073-260114 – Middle Trawl Door Shoes

Solicitation # WS5790496107

Fisheries and Oceans Canada is seeking replacement trawl door wear shoes specifically for the Campelen 1800 Survey Trawl doors used in multispecies scientific surveys within the Newfoundland and Labrador Region. The wear shoes must be engineered to match the existing trawl door configuration precisely to ensure operational continuity, maintain survey standardization, and avoid disruptions to critical marine research activities. The procurement is being conducted under solicitation number WS5790496107 titled F6073-260114 – Middle Trawl Door Shoes, with bids due by August 20, 2026. The contract is managed by the Government of Canada through Public Works and Government Services Canada, with all deliveries to be performed in Newfoundland and Labrador. Point of contact for inquiries is Genevieve Petten, Contracting Authority, reachable via email at genevieve.petten@tpsgc-pwgsc.gc.ca. The solicitation was posted on August 4, 2026, and is open to qualified suppliers capable of delivering compliant, durable, and dimensionally accurate replacement components without altering the functionality of the trawl system.

Department of Public Works and Government Services

POSTED

DEADLINE

W3717-26MJ01 - STANDING OFFER - RESPONSIVE MAINTENANCE AND MINOR REPAIRS SERVICES - CFHA MOOSE JAW

Solicitation # WS5706713895

The Canadian Forces Housing Agency, acting through Public Services and Procurement Canada, is seeking to establish a standing offer for responsive maintenance and minor repairs services in Moose Jaw, Saskatchewan, under solicitation number WS5706713895. The contract covers ten service streams including carpentry, cleaning, hardwood flooring, hazardous materials abatement, painting, resilient tile and carpet installation, roofing, grass cutting, landscaping, and snow removal, all aimed at maintaining Crown-controlled residential accommodations for the Canadian Armed Forces. All submissions must be made through the SAP Business Network, and only responses received by the deadline of August 7, 2026, at 2:00 p.m. EDT will be considered; late submissions are strictly prohibited. Interested suppliers must ensure they are fully registered in CanadaBuys/SAP Ariba and must direct all questions exclusively through the event messages tab of the SAP Business Network event, not through the Discovery website’s Q&A section. Amendments and updates to the tender will be posted solely in the event messages and event contents sections of the SAP Business Network, and regular monitoring of these sections is essential. The point of contact for inquiries is Kristen Bell-Lalonde of PSPC, reachable via email.

Department of Public Works and Government Services

POSTED

DEADLINE

W6893-27S006 Pumping and cleaning of manholes services

Solicitation # WS5792324129

Public Works and Government Services Canada is issuing a solicitation on behalf of National Defence for pumping and cleaning services at manholes located in Saint-Jean-sur-Richelieu and Farnham, Quebec. The contract requires full service delivery including labor, specialized equipment, tools, travel to specified National Defence sites, and proper disposal of collected materials at approved facilities. All work must be performed in accordance with the detailed requirements outlined in the Statement of Work annex. The solicitation number is WS5792324129, classified under NAICS code 562111 for sewage and refuse services, and is open to federal procurement. Proposals must be submitted by the deadline of August 20, 2026, at 7:00 p.m. Eastern Time, with the request posted on August 4, 2026. Interested parties should direct inquiries to Annie Blanchet, Contracting Authority, at annie.blanchet@tpsgc-pwgsc.gc.ca, and review the full tender details via the provided Canada Buys link.

Department of Public Works and Government Services

POSTED

DEADLINE

RFP - W6369-25X034 DND Stocktaking and Inventory Management Services

Solicitation # WS5559023426

The Department of National Defense and Canadian Armed Forces are seeking contractors to provide comprehensive stocktaking and inventory management services across more than 1,444 warehouses nationwide. The services include physical inventory counts, data validation and correction, independent asset verification, and other inventory-related procedures to support the Stocktaking Investigation Groups at bases, wings, stations, and depots. Work will be delivered through Task Authorizations issued on an as-needed basis, with priority given by the department to ensure timely and accurate inventory records. The contract term spans from the date of award through March 31, 2030, with two optional one-year extensions available, plus a six-month transition period under the same conditions. All work requires adherence to specified security protocols, and the solicitation is open to the public but not subject to the CLCA. Offerors are encouraged to include Indigenous businesses and individuals in their proposals by submitting an Indigenous Participation Plan, in line with federal efforts to promote Indigenous economic engagement. The procurement is governed by international trade agreements and falls under the Federal Contractors Program for Employment Equity, requiring compliance with employment equity standards. The solicitation, titled RFP - W6369-25X034 DND Stocktaking and Inventory Management Services with number WS5559023426, was posted on August 4, 2026, with a mandatory response deadline of September 10, 2026. The contract is managed by the Government of Canada through Public Services and Procurement Canada, with Anahita Latifi serving as the primary point of contact. Performance will occur throughout Canada, with no specified location limitations. The process is non-set-aside and does not restrict participation based on business size or category, though bidders must meet all security, reporting, and equity requirements. Proposals must be submitted through the CanadaBuys platform, with all terms and conditions aligned to federal procurement policy and international obligations.

Department of Public Works and Government Services

POSTED

DEADLINE

in about 1 month

Parliamentary Precinct Boardroom Fit Up

Solicitation # WS5790454107

This contract, titled Parliamentary Precinct Boardroom Fit Up and identified by solicitation number WS5790454107, is open exclusively to suppliers qualified under the General Contractor and Specialty Trades Supply Arrangement (GCSA) for the applicable stream. The work involves delivering comprehensive construction services to fit up boardrooms within the National Capital Region, encompassing all necessary labor, materials, equipment, supervision, and ancillary services required to complete the project as detailed in the solicitation documents. The opportunity is issued by the Department of Public Works and Government Services on behalf of the Government of Canada, with a response deadline of August 31, 2026, at 6:29 p.m. Eastern Time. The North American Industry Classification System code for this solicitation is 236220, indicating commercial and institutional building construction. Interested parties must be pre-qualified GCSA holders and submissions are to be directed to the contracting authority, Lisa Hampel, via email at lisa.hampel@tpsgc-pwgsc.gc.ca.

Department of Public Works and Government Services

POSTED

DEADLINE

6D063-253013 Steam and Heating System Services

Solicitation # WS5813382679

The Canadian Science Centre for Human and Animal Health and the JC Wilt Infectious Diseases Research Centre, both operated by the Public Health Agency of Canada, are seeking qualified suppliers to provide inspection, repair, and testing services for their steam-generating and heating systems under a task authorization contract with two firm years and three one-year option periods. This opportunity is open to Canadian suppliers and those from applicable trading partners, with bids due no later than September 17, 2026, at 7:00 p.m. Pacific Time, and late submissions will not be accepted. An optional site visit is scheduled for August 24, 2026, at 10:00 a.m. Central Standard Time at 1015 Arlington Street in Winnipeg, Manitoba, and interested bidders must register by August 14, 2026, at 4:00 p.m. Pacific Time to arrange facility access; failure to attend will not disqualify a bid but no alternative visit will be offered. The contract is managed by the Department of Public Works and Government Services under solicitation number WS5813382679, with Susi Kosmulalage serving as the primary Contracting Authority and point of contact for all inquiries.

Department of Public Works and Government Services

POSTED

DEADLINE

in about 1 month

Applications and Environmental Support Services

Solicitation # WS5819275303

The Department of National Defence requires Applications and Environmental Support Services under Supply Arrangement # TBIPS SA EN578-170432, with solicitation number WS5819275303. All bids must be submitted by 14:00 EDT on 19 August 2026, overriding any previously listed deadlines on SAP Business Network or CanadaBuys; submissions after this time will be deemed non-responsive. Only holders of the specified Supply Arrangement are eligible to compete, though uninvited holders may request an invitation up to five business days before the closing date, provided it does not disrupt procurement efficiency. Interested parties not currently qualified must first obtain qualification for Supply Arrangement EN578-170432 before bidding, and no extensions will be granted for qualification or proposal submission. The solicitation is open to the federal government, targeting performance within the National Capital Region, and the Request for Supply Arrangement can be accessed through Canada.ca. Primary point of contact is Shannon Banks, Contracting Authority, reachable at shannon.banks@tpsgc-pwgsc.gc.ca.

Department of Public Works and Government Services

POSTED

DEADLINE