using custom meta user data to run queries in WordPress

wp_get_current_user() does not return all the data for the user, you should try using get_user_meta(). Try as below

$company = get_user_meta($current_user->ID,'company');
$mf_group = get_user_meta($current_user->ID,'mf_group');

and in your post loop changes this two lines as below

'company'       => $company[0],
'mf_group'      => $mf_group[0],

Hope this helps.

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