{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-16T15:28:23Z",
  "source": "Assay Systems register, https://assay-systems.com/register/",
  "access_notice": "On 15 November 2026, automated access to assay-systems.com closes. After that date, access is available only under a paid annual subscription contract. Contact: contact@assay-systems.com",
  "data": {
    "id": "ASY-CA-02JNDDF1WM",
    "type": "line",
    "country": "ca",
    "name": "Repair and maintenance - Heating, air-conditioning and refrigeration equipment: Government of Canada contracts since 2024",
    "url": "https://assay-systems.com/register/ca/line/repair-and-maintenance-heating-air-conditioning-and-refrigeration-equipment/",
    "text": [
      "Since January 2024 the line carries 204 contracts worth $6,419,478 from 8 departments. 120 suppliers share it.",
      "$888,977 in 2024. $3,556,366 in 2025. $1,974,135 in 2026.",
      "42 suppliers signed their first federal contract in 2024 or later, $1,287,213 between them.",
      "Names every department and buying office behind the figures, who holds each contract now, its value, contract number and end date, the open notices with their closing dates, and the notices behind every figure.",
      "Share of the line held by each of its largest suppliers, by value, in the Government of Canada contract register."
    ],
    "records": [
      {
        "name": "all lines",
        "url": "https://assay-systems.com/register/ca/"
      },
      {
        "name": "BLACK & MCDONALD LTD.",
        "url": "https://assay-systems.com/register/ca/black-mcdonald-limited/"
      },
      {
        "name": "TUYAUTERIE EXPERT INC",
        "url": "https://assay-systems.com/register/ca/tuyauterie-expert-inc/"
      },
      {
        "name": "GATEWAY MECHANICAL SERVICES INC",
        "url": "https://assay-systems.com/register/ca/gateway-mechanical-services-inc/"
      },
      {
        "name": "Nunavut Arctic Services Ltd",
        "url": "https://assay-systems.com/register/ca/nunavut-arctic-services-ltd/"
      },
      {
        "name": "KEEP COOL REFRIGERATION & A/C LTD",
        "url": "https://assay-systems.com/register/ca/keep-cool-refrigeration-a-c-ltd/"
      },
      {
        "name": "NEWFOUNDLAND HVAC LIMITED",
        "url": "https://assay-systems.com/register/ca/newfoundland-hvac-limited/"
      },
      {
        "name": "CARMICHAEL ENGINEERING LTD.",
        "url": "https://assay-systems.com/register/ca/carmichael-engineering-ltd/"
      },
      {
        "name": "Modern Niagara Building Services In",
        "url": "https://assay-systems.com/register/ca/modern-niagara-building-services-in/"
      },
      {
        "name": "FRANCIS H.V.A.C. SERVICES LTD.",
        "url": "https://assay-systems.com/register/ca/francis-h-v-a-c-services-ltd/"
      },
      {
        "name": "ALLIANCE ENGINEERING & CONSTRUCTION",
        "url": "https://assay-systems.com/register/ca/alliance-engineering-construction/"
      },
      {
        "name": "BAXTEC MANAGEMENT CORPORATION",
        "url": "https://assay-systems.com/register/ca/baxtec-management-corporation/"
      },
      {
        "name": "SEAMLESS MECHANICAL SOLUTIONS INC.",
        "url": "https://assay-systems.com/register/ca/seamless-mechanical-solutions-inc/"
      },
      {
        "name": "CENTINEL SERVICES",
        "url": "https://assay-systems.com/register/ca/centinel-services/"
      },
      {
        "name": "SUMMIT MECHANICAL SYSTEMS LTD",
        "url": "https://assay-systems.com/register/ca/summit-mechanical-systems-ltd/"
      },
      {
        "name": "TECNOLOGIA MECANICA ELECTRICAY CIVIL",
        "url": "https://assay-systems.com/register/ca/tecnologia-mecanica-electricay-civil/"
      },
      {
        "name": "LAR-MEX INC.",
        "url": "https://assay-systems.com/register/ca/lar-mex-inc/"
      },
      {
        "name": "ROCK NETWORKS INC",
        "url": "https://assay-systems.com/register/ca/rock-networks/"
      },
      {
        "name": "SUMMIT MECHANICAL SERVICES (2020) LIMITED",
        "url": "https://assay-systems.com/register/ca/summit-mechanical-services/"
      },
      {
        "name": "Delta Q Bina Otomasyonu veElektronik Imalat San. Tic. Ltd. St",
        "url": "https://assay-systems.com/register/ca/delta-q-bina-otomasyonu-veelektronik-imalat-san-tic-ltd-st/"
      },
      {
        "name": "DYNAMICALLY LOADED STRUCTURES LTD.",
        "url": "https://assay-systems.com/register/ca/dynamically-loaded-structures-ltd/"
      },
      {
        "name": "M.A. BAULNE INC.",
        "url": "https://assay-systems.com/register/ca/m-a-baulne-inc/"
      },
      {
        "name": "TRANE CANADA",
        "url": "https://assay-systems.com/register/ca/trane/"
      },
      {
        "name": "SCA",
        "url": "https://assay-systems.com/register/ca/sca/"
      },
      {
        "name": "MCNOLTY MECHANICAL INC.",
        "url": "https://assay-systems.com/register/ca/mcnolty-mechanical-inc/"
      },
      {
        "name": "CUSTOM AIR CONDITIONING LTD",
        "url": "https://assay-systems.com/register/ca/custom-air-conditioning-ltd/"
      },
      {
        "name": "RSTM-NS LLP",
        "url": "https://assay-systems.com/register/ca/rstm-ns-llp/"
      },
      {
        "name": "ENTREPRISES VERRECCHIA INC.",
        "url": "https://assay-systems.com/register/ca/entreprises-verrecchia-inc/"
      },
      {
        "name": "H.Triburuzek Installationen",
        "url": "https://assay-systems.com/register/ca/h-triburuzek-installationen/"
      },
      {
        "name": "Chauffage Brosens & Fils B.V.B.A.",
        "url": "https://assay-systems.com/register/ca/chauffage-brosens-fils-b-v-b-a/"
      },
      {
        "name": "KALAYAAN ENGINEERING",
        "url": "https://assay-systems.com/register/ca/kalayaan-engineering/"
      },
      {
        "name": "KERN BSG MANAGEMENT LTD",
        "url": "https://assay-systems.com/register/ca/kern-bsg-management-ltd/"
      },
      {
        "name": "SÉGUIN MORRIS INC.",
        "url": "https://assay-systems.com/register/ca/s-guin-morris-inc/"
      },
      {
        "name": "Caverion Oesterreich GmbH",
        "url": "https://assay-systems.com/register/ca/caverion-oesterreich-gmbh/"
      },
      {
        "name": "21 Degrees Inc",
        "url": "https://assay-systems.com/register/ca/21-degrees-inc/"
      },
      {
        "name": "CAHILL TECHNICAL SERVICES",
        "url": "https://assay-systems.com/register/ca/cahill-technical-services/"
      },
      {
        "name": "Trane Technologies India Pvt Ltd",
        "url": "https://assay-systems.com/register/ca/trane-technologies-india-pvt-ltd/"
      },
      {
        "name": "CHAUFFAGE EXCELSIUS INC./EXCELSIUS",
        "url": "https://assay-systems.com/register/ca/chauffage-excelsius-inc-excelsius/"
      },
      {
        "name": "J.F. TAYLOR ENTERPRISES LTD.",
        "url": "https://assay-systems.com/register/ca/j-f-taylor-enterprises-ltd/"
      },
      {
        "name": "WAJAX LIMITED",
        "url": "https://assay-systems.com/register/ca/wajax-limited/"
      },
      {
        "name": "DISCOVERY REFRIGERATION LTD",
        "url": "https://assay-systems.com/register/ca/discovery-refrigeration-ltd/"
      },
      {
        "name": "MULTI-ENERGIE BEST INC",
        "url": "https://assay-systems.com/register/ca/multi-energie-best-inc/"
      },
      {
        "name": "KL MECHANICAL LTD",
        "url": "https://assay-systems.com/register/ca/kl-mechanical-ltd/"
      },
      {
        "name": "GREEN GENERATION HEATING LTD",
        "url": "https://assay-systems.com/register/ca/green-generation-heating-ltd/"
      },
      {
        "name": "HEROLD ENGINEERING LTD",
        "url": "https://assay-systems.com/register/ca/herold-engineering-limited/"
      },
      {
        "name": "AEROFIL INC.",
        "url": "https://assay-systems.com/register/ca/aerofil-inc/"
      },
      {
        "name": "SIMCOE BENCHMARK MECHANICAL INC",
        "url": "https://assay-systems.com/register/ca/simcoe-benchmark-mechanical-inc/"
      },
      {
        "name": "AMBIT ENGINEERS PVT. LTD.",
        "url": "https://assay-systems.com/register/ca/ambit-engineers-pvt-ltd/"
      },
      {
        "name": "CPE DIVISION B INC",
        "url": "https://assay-systems.com/register/ca/cpe-division-b-inc/"
      },
      {
        "name": "PGS EXPERTS INC.",
        "url": "https://assay-systems.com/register/ca/pgs-experts-inc/"
      },
      {
        "name": "Petrokima for Engineering & Contracting",
        "url": "https://assay-systems.com/register/ca/petrokima-for-engineering-contracting/"
      },
      {
        "name": "MOUNT BENSON MECHANICAL (1991) LTD.",
        "url": "https://assay-systems.com/register/ca/mount-benson-mechanical-1991-ltd/"
      },
      {
        "name": "BONA BUILDING & MANAGEMENT CO. LTD.",
        "url": "https://assay-systems.com/register/ca/bona-building-management-co-ltd/"
      },
      {
        "name": "MAC'S HEATING LTD",
        "url": "https://assay-systems.com/register/ca/mac-s-heating-ltd/"
      },
      {
        "name": "1799541 ONTARIO INC.",
        "url": "https://assay-systems.com/register/ca/1799541-ontario-inc/"
      },
      {
        "name": "LEMIXDATA SAC",
        "url": "https://assay-systems.com/register/ca/lemixdata-sac/"
      },
      {
        "name": "TAYLOR & COMPANY",
        "url": "https://assay-systems.com/register/ca/taylor-company/"
      },
      {
        "name": "Daikin Airconditioning India Privat",
        "url": "https://assay-systems.com/register/ca/daikin-airconditioning-india-privat/"
      },
      {
        "name": "Klimatos Consultoria Tecnica A/C",
        "url": "https://assay-systems.com/register/ca/klimatos-consultoria-tecnica-a-c/"
      },
      {
        "name": "2982897 CANADA INC.",
        "url": "https://assay-systems.com/register/ca/2982897-canada-inc/"
      },
      {
        "name": "BONAIRSD INC.",
        "url": "https://assay-systems.com/register/ca/bonairsd-inc/"
      },
      {
        "name": "ALBERNI VALLEY REFRIGERATION LTD",
        "url": "https://assay-systems.com/register/ca/alberni-valley-refrigeration-ltd/"
      },
      {
        "name": "ARNON DEVELOPMENT CORPORATION",
        "url": "https://assay-systems.com/register/ca/arnon-development-corporation/"
      },
      {
        "name": "TEKO INC.",
        "url": "https://assay-systems.com/register/ca/teko-inc/"
      },
      {
        "name": "Carrier Corporation",
        "url": "https://assay-systems.com/register/ca/carrier-corporation/"
      },
      {
        "name": "PMC ENERGY LIMITED",
        "url": "https://assay-systems.com/register/ca/pmc-energy-limited/"
      },
      {
        "name": "ROLAND GRENIER CONSTRUCTION LTÉE",
        "url": "https://assay-systems.com/register/ca/roland-grenier-construction-lt-e/"
      },
      {
        "name": "2745840 ONTARIO INC",
        "url": "https://assay-systems.com/register/ca/2745840-ontario-inc/"
      },
      {
        "name": "FRESCO REFRIGERATION LTD",
        "url": "https://assay-systems.com/register/ca/fresco-refrigeration-ltd/"
      },
      {
        "name": "8607524 CANADA INC.",
        "url": "https://assay-systems.com/register/ca/8607524-canada-inc/"
      },
      {
        "name": "WELDPRO LTD.",
        "url": "https://assay-systems.com/register/ca/weldpro-ltd/"
      },
      {
        "name": "EDISEC SRL",
        "url": "https://assay-systems.com/register/ca/edisec-srl/"
      },
      {
        "name": "R D M D INC",
        "url": "https://assay-systems.com/register/ca/r-d-m-d-inc/"
      },
      {
        "name": "MODERN NIAGARA OTTAWA INC.",
        "url": "https://assay-systems.com/register/ca/modern-niagara-ottawa-inc/"
      },
      {
        "name": "SIEMENS CANADA LIMITED",
        "url": "https://assay-systems.com/register/ca/siemens-canada-ltd/"
      },
      {
        "name": "Beijing Johnson Controls Co., Ltd.",
        "url": "https://assay-systems.com/register/ca/beijing-johnson-controls-co-ltd/"
      },
      {
        "name": "Modern Niagara Building Services Inc.",
        "url": "https://assay-systems.com/register/ca/modern-niagara-building-services/"
      },
      {
        "name": "NRG MANAGEMENT",
        "url": "https://assay-systems.com/register/ca/nrg-management/"
      },
      {
        "name": "HTS ENGINEERING LTD.",
        "url": "https://assay-systems.com/register/ca/hts-engineering-ltd/"
      },
      {
        "name": "JONES FOOD STORE EQUIPMENT LTD",
        "url": "https://assay-systems.com/register/ca/jones-food-store-equipment-ltd/"
      },
      {
        "name": "VENTILATION LACROIX INC.",
        "url": "https://assay-systems.com/register/ca/ventilation-lacroix-inc/"
      },
      {
        "name": "CROSE MECHANICAL HEATING AND COOLIN",
        "url": "https://assay-systems.com/register/ca/crose-mechanical-heating-and-coolin/"
      },
      {
        "name": "PIKA PUMP & COMPRESSOR SERVICES LTD",
        "url": "https://assay-systems.com/register/ca/pika-pump-compressor-services-ltd/"
      },
      {
        "name": "Trane Air Conditioning Systems",
        "url": "https://assay-systems.com/register/ca/trane-air-conditioning-systems/"
      },
      {
        "name": "MCW CONSULTANTS LTD",
        "url": "https://assay-systems.com/register/ca/mcw-consultants-ltd/"
      },
      {
        "name": "Bryant Heating, Air conditioning & Plumbing",
        "url": "https://assay-systems.com/register/ca/bryant-heating-air-conditioning-plumbing/"
      },
      {
        "name": "J.P. & A. MAROGNAS ENTERPRISES LTD.",
        "url": "https://assay-systems.com/register/ca/j-p-a-marognas-enterprises-ltd/"
      },
      {
        "name": "WJ WINDEBANK LTD",
        "url": "https://assay-systems.com/register/ca/wj-windebank-ltd/"
      },
      {
        "name": "Oslo Boligteknikk AS",
        "url": "https://assay-systems.com/register/ca/oslo-boligteknikk-as/"
      },
      {
        "name": "UPPER CANADA H V A C SYSTEMS",
        "url": "https://assay-systems.com/register/ca/upper-canada-h-v-a-c-systems/"
      },
      {
        "name": "NORTH ISLAND APPLIANCE & GAS INC",
        "url": "https://assay-systems.com/register/ca/north-island-appliance-gas-inc/"
      },
      {
        "name": "TEMPERATURE CONTROL LTD",
        "url": "https://assay-systems.com/register/ca/temperature-control-ltd/"
      },
      {
        "name": "PRO Bygningsautomatik A/S",
        "url": "https://assay-systems.com/register/ca/pro-bygningsautomatik-a-s/"
      },
      {
        "name": "HONEYWELL LIMITED/HONEYWELL LIMITEE",
        "url": "https://assay-systems.com/register/ca/honeywell-limited-honeywell-limitee/"
      },
      {
        "name": "JOHNSON CONTROLS CANADA LP",
        "url": "https://assay-systems.com/register/ca/johnson-controls-lp/"
      },
      {
        "name": "ROCHESTER MIDLAND CANADA CORPORATION",
        "url": "https://assay-systems.com/register/ca/rochester-midland-canada-corporation/"
      },
      {
        "name": "HVAC SPECIALTIES INC",
        "url": "https://assay-systems.com/register/ca/hvac-specialties-inc/"
      },
      {
        "name": "WEBSTER'S PLUMBING & HEATING",
        "url": "https://assay-systems.com/register/ca/webster-s-plumbing-heating/"
      },
      {
        "name": "KAESER COMPRESSORS CANADA INC",
        "url": "https://assay-systems.com/register/ca/kaeser-compressors-canada-inc/"
      },
      {
        "name": "COMMERCIAL DIVING & MARINE SERVICES",
        "url": "https://assay-systems.com/register/ca/commercial-diving-marine-services/"
      },
      {
        "name": "ENVIRO PLUS DUCT CLEANING LTD",
        "url": "https://assay-systems.com/register/ca/enviro-plus-duct-cleaning-limited/"
      },
      {
        "name": "KEEP COOL REFRIGERATION AND",
        "url": "https://assay-systems.com/register/ca/keep-cool-refrigeration/"
      },
      {
        "name": "RADFORD DUCT CLEANING",
        "url": "https://assay-systems.com/register/ca/radford-duct-cleaning/"
      },
      {
        "name": "KAIEN ISLAND REFRIGERATION",
        "url": "https://assay-systems.com/register/ca/kaien-island-refrigeration/"
      },
      {
        "name": "C.C. MACDONALD LIMITED",
        "url": "https://assay-systems.com/register/ca/c-c-macdonald-limited/"
      },
      {
        "name": "Ing y Serv Con Alejandra Diaz Perez",
        "url": "https://assay-systems.com/register/ca/ing-y-serv-con-alejandra-diaz-perez/"
      },
      {
        "name": "CLOW DARLING LIMITED",
        "url": "https://assay-systems.com/register/ca/clow-darling-limited/"
      },
      {
        "name": "CANWEST MECHANICAL INC",
        "url": "https://assay-systems.com/register/ca/canwest-mechanical-inc/"
      },
      {
        "name": "CBS PLUMBING & HEATING LTD",
        "url": "https://assay-systems.com/register/ca/cbs-plumbing-heating-ltd/"
      },
      {
        "name": "MALIK LTD",
        "url": "https://assay-systems.com/register/ca/malik-ltd/"
      },
      {
        "name": "PETRO PLUS INC",
        "url": "https://assay-systems.com/register/ca/petro-plus-inc/"
      },
      {
        "name": "TRIPLE J MECHANICAL LTD",
        "url": "https://assay-systems.com/register/ca/triple-j-mechanical-ltd/"
      },
      {
        "name": "COMPRESSEURS DRUMMOND - METALUNO",
        "url": "https://assay-systems.com/register/ca/compresseurs-drummond-metaluno/"
      }
    ],
    "assay_record": "ASY-CA-02JNDDF1WM",
    "cite_as": "Assay Systems, \"Repair and maintenance - Heating, air-conditioning and refrigeration equipment: Government of Canada contracts since 2024\", https://assay-systems.com/register/ca/line/repair-and-maintenance-heating-air-conditioning-and-refrigeration-equipment/"
  }
}