$wpdb vs. $post ?

I know the data I need is contained in both variables, so I think I should be able to do this with just the $wpdb variable instead of having to use the $post variable.

Is there a better way to do this?

global $wpdb;
	global $post;

	$company_name = $post->post_title;
	$member_data = (array) $wpdb->get_row("SELECT * FROM wp_network_members WHERE company_name = '$company_name'");