Corporation
noun
This company (会社) has done the ritual required to create stocks for their company. When a company has stocks, they become a corporation.
The readings for everything here are the readings you learned with the individual kanji, though not all are on'yomi. This word is usually rendaku'd too, but sometimes you'll see the non-rendaku version in romaji when it comes to English language legal stuff, so keep that in mind.
今はパナソニック株式会社で働いています。
I am currently working at Panasonic Corporation.
トーフグは株式会社じゃなくて合同会社ですよ。
Tofugu is not a corporation; it's a limited liability company (LLC).
株式会社ソニーに電話を入れて、ファックスの送信がきちんと完了しているかどうか確認してくれる？
Can you call Sony Corporation to make sure the fax went through alright?