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  • Rowan Williams Davies & Irwin Inc. (RWDI)
    Rowan Williams Davies & Irwin Inc. (RWDI)
    (519) 823-1311
    650 Woodlawn Road West, N1K 1B8  Guelph

    Established in 1972, Rowan Williams Davies & Irwin Inc. (RWDI) is recognized internationally as a leading specialty consulting engineering firm. This unique company with over 300 employees has established a worldwide clientele that seeks its expertise for solving architectural, engineering and indu…

  • Computational Hydraulics Inc
    Computational Hydraulics Inc
    (519) 767-0197
    147 Wyndham St Ste 202, N1H 4E9  Guelph

    Computational Hydraulics International (CHI) develops, markets and supports technically advanced, professional software systems for stormwater, sanitary sewer and watershed modeling. PCSWMM, our main software offering, has been the trusted spatial decision support system for US EPA SWMM for over 25…