営林署[eirinsho] forest service field office
警察署[keisatsusho] police station
公署[kousho] government office
署名[shomei] signature
署名式[shomeishiki] signing ceremony (for a law, treaty, etc.)

消防署[shoubousho] fire station
税務署[zeimusho] tax office
代署[daisho] sign for another
副署[fukusho] countersignature
分署[bunsho] substation