The category "<bare_company_id>" can be expressed as follows:

<bare_company_id>

<company_noun-pl> <id_letter-pl>

<company_noun-pl> <id_num-pl>

<company_noun-sing> <id_letter-sing>

<company_noun-sing> <id_num-sing>

<id_letter-pl> <company_noun-pl>

<id_letter-sing> <company_noun-sing>

<ordinal> <company_noun>