var reviwdata = from j in context.CompanyReviews
join s in context.Companies on new { Cid = (Int32)j.Cid } equals new { Cid = s.Id }
where
s.Id == compId
select new
{
j.Sno,
j.Title,
j.Cons,
j.Date,
j.Rating,
j.CorrentOrFormer,
j.JobTitle,
j.Pros,
s.CompanyName
};