Companywide rhymes with:
citywide, communitywide, countrywide, industrywide, citywide, communitywide, corporatewide, countrywide, industrywide, marketwide, statewide, systemwide, vanderweide
Companywide sounds like:
championed, combined, component, compound, compounded, compufund, compumat, confined, confinement, confound, confounded, convened, convenient, convent