In your case, it's a company, but try to find the specific name of the hiring manager or HR director to insert at the top of the company address. (uptowork.com)
I wonder if you have any advice about unearthing names of hiring managers... as I understand it, this is of crucial importance when trying to make your resume and cover letter stand out against masses of competitors. (squawkfox.com)
[The HR Manager], [Department, Company Name], [Location], Re: My Application for the [Job Title, Position Number] Dear [enter name of the hiring manager], This is in reference to the job opening posted by your company [where]. (job-interview-site.com)